PORTABLE METAL SAWING MACHINES
The portable metal sawing machines described in this section are those lightweight and easily transportable saws that are used in a field or normal machine shop by maintenance personnel. These saws can be used to cut stock that is too big or too long to move to a maintenance shop to be cut. The following portable sawing machines are described in this section: the portable hacksawing machine, the portable band sawing machine, and the portable reciprocating saw. Two of these saws are operated by hand, so the quality of work depends upon the experience and skill of the operator. Portable metal sawing machines can be used in the maintenance shop to cut wood, steel, plastics, electrical conduit, tubing, pipes, and shop stock, and for auto body work.
THE PORTABLE HACKSAWING MACHINE
The portable hacksawing machine (Figure 1) is not designed to be hand-held, but to lock onto the workpiece with a self-contained vise. This saw has a built-in electric motor that causes a power hacksaw blade to reciprocate at a fixed speed of 115 strokes per minute. The machine is capable of cutting solid steel 3 inches square and at an angle to 45°. This saw can be used in a horizontal, angular, or vertical position, having an adjustable counterbalance to compensate for operating the sawing machine in a vertical position. A 10-inch power hacksaw blade is used with this machine, producing a 4-inch stroke. A tension screw permits increasing or decreasing the blade pressure with each cut. The portable hacksawing machine will support itself when fastened very securely to a stationary workpiece, using the self-contained vise.
To operate the portable hacksawing machine, insert a power hacksaw blade of 18, 24, or 32 teeth per inch, depending on the material to be cut. Then, check the adjustment of the tension screw and the adjustment of the counterbalance lever. Turning the tension screw clockwise will increase the amount of lift the hacksaw blade makes on each return stroke and will increase the downward pressure of the blade on each cutting stroke. Counterclockwise rotation of the screw will decrease the lift and pressure. This control should be adjusted to cause the hacksaw blade to lift 1/8 inch on each return stroke to provide maximum cutting speed and efficiency. The counter balance lever controls the downward pressure exerted upon the hacksaw blade by the weight of the saw frame. By moving the counterbalance lever to the left, the pressure is decreased. Moving the lever to the right increases the pressure. Mount the workpiece squarely or angularly in the vise, depending on the type of cut desired. Start the sawing machine and observe the cutting action. If the machine strains, the blade pressure may be too heavy.
If the machine cuts very slowly, increase the pressure.
Continuously check the power hacksaw blade for sharpness. If the blade is dull, it should be replaced. When the machine cuts completely through the material, the saw frame will fall and trip the motor switch, stopping the saw.
When the sawing machine is used in the vertical position, the counterbalance lever must be positioned in the farthest right notch of the guide bar ratchet to compensate for the lack of gravitational pressure normally applied to the blade by the saw frame. This practice should be attempted only if the workpiece can be clamped very securely in the vise and cannot be wrenched loose during vertical sawing, or damage to personnel or equipment could occur. |
SIERRAS DE METAL PORTÁTILES
Las sierras de metal portátiles descritas en esta sección son aquellas sierras de poco peso y fácilmente transportables que son utilizadas en campo o un taller de máquinas o de uso normal por el personal de mantenimiento. Estas sierras se pueden utilizar para cortar material que es demasiado grande o demasiado largo moverse al taller de mantenimiento para su corte. Las sierras portátiles siguientes se describen en esta sección: la sierra alternativa portátil para metal, la sierra portátil de cinta, y la sierra recíproca portátil. Dos de estas sierras se operan a mano, así que la calidad del trabajo depende de la experiencia y la habilidad del operador. Las sierras de metal portátiles se pueden utilizar en el taller de mantenimiento para cortar madera, acero, plásticos, conductos eléctricos, tuberías, cañerías, mercancía en almacén, y para trabajos de carrocerías de automóviles.
LA SIERRA CORTAMETALES PORTÁTIL
La sierra para metales portátil (figura 1) no está diseñada para ser operada a mano, sino para ser fijada sobre el objeto de trabajo con un tornillo de banco adjunto. Esta sierra viene con un motor eléctrico incorporado que hace que una resistente lámina de sierra para metales se mueva en forma alternativa a una velocidad fija de 115 movimientos por minuto. La máquina es capaz de cortar acero sólido de 3 pulgadas cuadradas y en ángulos de 45°. Esta sierra puede ser utilizada en una posición horizontal, angular, o vertical, teniendo un contrapeso ajustable para compensar el funcionamiento de la sierra en una posición vertical. Una lámina de sierra eléctrica para metales de 10 pulgadas se utiliza con esta máquina, produciendo un movimiento de 4 pulgadas. Un tornillo de tensión permite aumentar o disminuir la presión de la lámina con cada corte. Esta máquina de corte portátil se soportará a sí misma cuando está sujeta en forma segura a un objeto de trabajo inmóvil, usando el tornillo de banco o morsa adjunto.
Para hacer funcionar la máquina portátil de corte de metales, inserte una hoja de sierra de máquina para metales de 18, 24, o 32 dientes por pulgada, dependiendo del material que se cortará. Luego, compruebe el ajuste del tornillo de tensión y el ajuste de la palanca de contrapeso. Al girar el tornillo de tensión en sentido horario aumentará la cantidad de elevación que la hoja la sierra para metales hace en cada movimiento de vuelta y aumentará la presión hacia abajo de la hoja en cada movimiento de corte. La rotación en sentido anti horario del tornillo disminuirá la elevación y la presión. Este control se debe ajustar para hacer que la hoja de la sierra para metales se levante 1/8 pulgada en cada movimiento de vuelta para proporcionar velocidad y eficacia máximas de corte. La palanca de contrapeso controla la presión de bajada ejercida sobre la hoja de sierra para metales por el peso del bastidor de sierra. Moviendo la palanca de contrapeso a la izquierda, se disminuye la presión. Al mover la palanca a la derecha, se aumenta la presión. Coloque el objeto en ángulo recto o angular en el tornillo de morsa, dependiendo del tipo de corte deseado. Encienda la sierra y observe el movimiento de cizallamiento. Si la máquina trabaja forzada, la presión de la hoja puede ser demasiado pesada.
Si la máquina corta muy lentamente, aumenta la presión.
Compruebe continuamente el filo de la hoja de sierra para metales. Si la hoja está gastada, debe ser substituida. Cuando la máquina finaliza el corte de todo el material, el marco de sierra caerá y disparará el interruptor del motor, parando la sierra.
Cuando la máquina de aserrar se utiliza en posición vertical, la palanca de contrapeso se debe colocar en la muesca a la derecha más alejada del trinquete de la barra de guía para compensar la falta de presión gravitacional aplicada normalmente a la hoja por el marco de sierra. Esta práctica debe ser intentada solamente si el objeto se puede fijar mediante abrazadera con mucha seguridad en la morsa y que no se pueda aflojar durante el aserrado vertical, o podría producir un daño al personal o al equipo. |
Fig. 1 - Portable hacksawing machine - Sierra cortametales portátil
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Rocky Mountain Saw Blades 1051406 105-inch x 1/4-inch 6 TPI Band Saw Blade
$13.99
The Rocky Mountain Saw Blades 1051406 105-inch x 1/4-inch 6 TPI Band Saw Blade is made right here in Colorado, U.S.A! The Rocky Mountain Saw Blades 1053806 is a 105-inch blade that is perfect for any wood project. Features: Variable tooth blade has 6 TPI105 inches in length1/4-inch wide What's In The Box: Rocky Mountain Saw Blades 1051406 105-Inch X 1/4-Inch 6TPI Band Saw Blade [Read more]
Brand: Rocky Mt Saw Blades
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Rocky Mountain Saw Blades 933806 93-inch 3/8-inch 6-TPI Band Saw Blade
$13.99
The Rocky Mountain Saw Blades 933806 93-inch 3/8 Inch 6-TPI Band Saw Blade is made right here in Colorado, U.S.A! The Rocky Mountain Saw Blades 933806 is a 93-inch blade that is perfect for any wood project. Features: Blade has 6 TPI93 inches in length3/8 inch wide What's In The Box: Rocky Mountain Saw Blades 933806 93-Inch X 3/8-Inch 6TPI Band Saw Blade [Read more]
Brand: Rocky Mt Saw Blades
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Rocky Mountain Saw Blades 1053806 105-inch x 3/8-inch 6 TPI Band Saw Blade
$14.99
The Rocky Mountain Saw Blades 1053806 105-inch x 3/8-inch 6 TPI Band Saw Blade is made right here in Colorado, U.S.A! The Rocky Mountain Saw Blades 1053806 is a 105-inch blade that is perfect for any wood project. Features: Variable tooth blade has 6 TPI105-inches in length3/8-inch wide What's In The Box: Rocky Mountain Saw Blades 1053806 105-In. x 3/8-In. 6TPI Band Saw Blade [Read more]
Brand: Rocky Mt Saw Blades
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Rocky Mountain Saw Blades 933406 93-inch 3/4-inch 3 to4-TPI Variable Tooth Band
$15.99
The Rocky Mountain Saw Blades 933406 93-inch 3/4-inch 3 to4-TPI Variable Tooth Band Saw Blade is made right here in Colorado, U.S.A! The Rocky Mountain Saw Blades 933406 is a 93-inch blade that is perfect for any wood project. Features: Blade has 3 to 4-TPI variable tooth design93-inches in length3/4-inch wide What's In The Box: Rocky Mountain Saw Blades 933406 93-Inch X 3/4-Inch 3/4-TPI Band Saw Blade [Read more]
Brand: Rocky Mt Saw Blades
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Rocky Mountain Saw Blades 931206 93-inch 1/2-inch 3 to 4-TPI Variable Tooth Band
$14.99
The Rocky Mountain Saw Blades 931206 93-inch 1/2-inch 3 to 4-TPI Variable Tooth Band Saw Blade is made right here in Colorado, U.S.A! The Rocky Mountain Saw Blades 931206 is a 93-inch blade that is perfect for any wood project. Features: Blade has an alternating tooth patern of 4 TPI and 3 TPI93-inches in length1/2-inch wideWhat's In The Box: Rocky Mountain Saw Blades 931206 93-inch 1/2-inch 3 to 4-TPI Variable Tooth Band Saw Blade [Read more]
Brand: Rocky Mt Saw Blades
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X-Band Band Saw Blades - 3-Pk, 14/18 TPI, Model# STM-130
$19.98
Replacement saw blades for use with Item#s 1534252 and 1534253. Super cobalt bi-metal blades cut through virtually any material. Blade Type: Cobalt bi-metal, TPI (Teeth per Inch): 14/18, Blades (qty.): 3 [Read more]
Brand: Stout Tool
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Milwaukee Replacement Compact Band Saw Blades - 3-Pk, 18 TPI, Model# 48-39-0529
$17.98
For use with Milwaukee Compact Band Saw Item# 153460 and other Milwaukee models. Designed to deliver long tooth life and exceptional durability in metal-cutting applications. Matrix II high speed steel teeth and alloy backing steel. 35 3/8in. x 1/2in. x 0.020in. U.S.A. Blade Type: Matrix II high speed steel, TPI (Teeth per Inch): 18, Blade Size L x W (in.): 35 3/8 x 1/2, Blade Thickness (in.): 0.020, Blades (qty.): 3 [Read more]
Brand: Milwaukee
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X-Band Band Saw Cutting Station, Model# ST-CS-250
$69.98
Converts the X-Band cordless band saw (either Item# 1534252 or #1534253) from a portable saw to a stationary cutting tool. Compact, lightweight and easy to transport to the jobsite. Cordless: No, Dimensions L x W x H (in.): 15 x 11 x 7 1/2 2 1/2in. throat capacity 15in.W x 11in.D x 7 1/2in.H overall [Read more]
Brand: Stout Tool
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Northern Industrial Horizontal/Vertical Metal Cutting Band Saw - 4 1/2in, 3/4 HP, 120V Motor
$249.99
This Northern Industrial horizontal/vertical metal cutting band saw cuts everything from brass and aluminum to rugged alloy and steel tools. Two-position rocker switch with safety lock-off. Gravity feed cutting pressure adjustment in horizontal position. Vertical cutting plate for small pipes. Includes blade and heavy-duty stand. Cordless: No, HP: 3/4, Volts: 120, Variable Speed: Yes, Cutting Angles: 0 - 55, Blade Size L x W x Thickness (in.): 64 1/2 x 1/2, Blade Included: Yes, Stand Included: Yes, Dimensions L x W x H (in.): 36 x 14 x 38 Capacity: 4 1/2in. round stock, 4in-6in. rectangular Cutting table: 11 1/2in.L x 7 1/2in.W x 23 1/2in.H horizontal; 9 5/8in.L x 9 1/2in.W x 33 1/2in.H vertical 36in.L x 14in.W x 38in.H overall Two-position rocker switch with safety lock-off Gravity feed cutting pressure adjustment in horizontal position [Read more]
Brand: Northern Industrial Tools
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Replacement Band Saw Blade
$17.98
Replacement blade for band saw Item#s 155793, 14573, 145767 U.S.A. Blade Type: Carbon Steel, TPI (Teeth per Inch): 10, Blade Size L x W (in.): 93 x 3/4, Blade Thickness (in.): .032, Blades (qty.): 1 [Read more]
Brand: SuperCut
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Replacement Band Saw Blade
$15.98
Blade Type: Raker Carbon, TPI (Teeth per Inch): 10, Blade Size L x W (in.): 85 x 3/4, Blades (qty.): 1 [Read more]
Brand: SuperCut
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Northern Industrial Metal Cutting Band Saw with Swivel Head - 5In. x 6In, 1/3 HP, 110V Motor
$439.98
This Northern Industrial metal cutting band saw provides -45 to 60 angle cuts for all your cutting needs. Includes miter gauge vise and steel stand. Cordless: No, HP: 1/3, Volts: 110, Speed (RPM): 1,720, Variable Speed: 80 / 120 / 200 FPM, Blade Size L x W x Thickness (in.): 64 1/2 x 12 x 0.025, Dimensions L x W x H (in.): 38 x 15 3/16 x 42 1/2 1/3 HP, 110V motor 1720 RPM Blade speeds: 80/120/200 FPM Capacity: 1 3/4in-5in. round stock, 1 3/4in-6in. rectangular 64 1/2in. x 1/2in. x 0.025in. blade Head swivels to give a maximum cut angle of 60 38in.L x 15 3/16in.W x 42 1/2in.H overall Easy-to-adjust head has stops in all the right places [Read more]
Brand: Northern Industrial Tools
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JET Replacement Saw Blade for 10in. Benchtop Band Saw, Model# JWBS1008-8
$17.98
67 1/2in. band saw blade with 6 TPI replaces damaged or worn saw blades for Model JWBS10OS-8, JET 10in. benchtop band saw, Item# 123484. [Read more]
Brand: Jet
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Apex Tool Group - Tools 10in. 18TPI Hacksaw Blades 62811
$22.82 $11.84
Lasts twice as long as high speed steel 10 times longer than carbon steel shock resistance allows 20 percent to 50 percent faster cutting.50 wide.025 thick. Bi-metal. Made in USA. 10 18 teeth. 2 per card. Length: 2. Width: 0.1. Height: 15 [Read more]
Brand: Apex Tool Group - Tools
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Apex Tool Group - Tools 12 in. 32 TPI Standard Hacksaw Blade Shatterproof 63280
$21.79 $11.00
Specially hardened to induce toughness. Blade not recommended for higher carbon or alloyed steels.50 wide.025 thick. 12. 32 tpi. Carded. Length: 2. Width: 0.1. Height: 15 [Read more]
Brand: Apex Tool Group - Tools
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Lenox 20975-975 10"Mini Compact Hacksaw
$29.35 $17.19
Features rugged heavy-duty aluminum handle complete with 10 Lenox bi-metal hacksaw blade. Resists breakage. Lightweight. Cuts bolts wire tubing and plastic. Strong economical and convenient. Designed for hard to get at places. Replacement blade (2524-5366). Carded. Length: 13. Width: 0.63. Height: 3 [Read more]
Brand: Lenox
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Cobra Close Quarters Hacksaw PST114
$28.17 $16.33
Close quarters hacksaw. Cuts brass copper iron pipe steel PVC and wood. Carded. Length: 0.5. Width: 11.56. Height: 5.25 [Read more]
Brand: Cobra
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Apex Tool Group - Tools 12in. 18TPI Bi-Metal Hacksaw Blade 62723
$21.94 $11.19
Lasts twice as long as high speed steel 10 times longer than carbon steel shock resistance allows 20 percent to 50 percent faster cutting.50 wide.025 thick. 12 18 tpi. Length: 1. Width: 0.3. Height: 13 [Read more]
Brand: Apex Tool Group - Tools
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Stanley Hand Tools 10 in. 32 Tooth Hacksaw Blade 15-802A
$13.96 $10.34
High carbon steel blades cut mild steel cast iron aluminum copper. Hacksaw 15-265 (2524-6588). 10 x 32 tpi. Carded. Length: 13.35. Width: 0.2. Height: 2 [Read more]
Brand: Stanley
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Apex Tool Group - Tools 10 in. 24 TPI Standard Hacksaw Blade Shatterproof 63220
$14.76 $10.93
Specially hardened to induce toughness. Blade not recommended for higher carbon or alloyed steels.50 wide.025 thick. 24 tpi. Carded. Length: 2. Width: 0.1. Height: 15 [Read more]
Brand: Apex Tool Group - Tools
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Stanley Hand Tools 12 in. 18 Tooth Hacksaw Blades 15-928A
$13.77 $10.20
High carbon steel blades cut mild steel cast iron aluminum and cooper. Hacksaw 15-265 (2524-6588). 2 per card. 12 x 18 tpi. Length: 15.3. Width: 0.05. Height: 1.95 [Read more]
Brand: Stanley
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Saw Z All 15Amp Super Sawzall Reciprocating Saw 653821 by Milwaukee
$250.89 $225.40
Reciprocating saw kits 15 amp orbital action vs sawzall Variable speed trigger and dial speed control, motor overload protection prevents motor burn up/failure, constant power technology maintains constant speed under load for unmatched cutting performance, 11/4 inch stroke length, gear protecting clutch extends gear and motor life by absorbing high impact forces caused by sudden blade lockups, counter balanced mechanism, QuikLok blade clamp system provides fast and easy blade changes. Includes saw and hard case. [Read more]
Brand: Milwaukee
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Saw Z All 11 Amp Reciprocating Saw With Case 650922 by Milwaukee
$157.59 $141.40
Used for high performance cutting in a variety of materials. Gear protecting clutch extends gear and motor life by absorbing high impact forces caused by blade lock ups. Counter weighted mechanism provides reduced vibration for smoother operation. QuikLok blade clamp provides fast, tool free blade changes. Specs: 3/4 inch stroke length, no load SPM 03,000, variable speed, 19 inch long, weighs 7.1 pound Includes: saw, carrying case. [Read more]
Brand: Milwaukee
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Saw Z All Cross Grit Reciprocating Saw Blade Pack Of 3 48001420 by Milwaukee
$18.25 $14.29
Reciprocating saw blades tungsten carbide general cutting super sawzall vinyl pouch grit=coarse Length 6 inch card of 3 Materials, tooth configuration and heat treating are designed to maximize performance in specific cutting applications. Durable, long life blades. Blade has a 1/2 inch universal tang that fits all Sawzalls and standard competitive saws. Applications: Cuts Hardwood Flooring, Cast Iron, Stainless Steel, Fiberglass Materials, (Polyesters, Epoxies, Melamines), Ceramic Tile, Stone, Slate, Clay Pipe, Carbon, Brick, Plaster, Marble, and Chalkboard. [Read more]
Brand: Milwaukee
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Saw Z All Reciprocating Saw Blade Kit 12 Piece 49221129 by Milwaukee
$34.35 $27.20
Reciprocating saw blade sets 12piece bimetal ultimate demolition sawzall Features 12 of Milwaukee's most popular demolition blades. Kit includes 2 of each: No.48005021 5/8 TPI, 6 inch Length, No.48005026 5/8 TPI, 9 inch Length, No.48005701 8 TPI, 6 inch Length, No.48005787 14TPI, 9 inch Length. 4 each: No.48005782 14 TPI, 6 inch Length and a canvas pouch for storing blades between use. [Read more]
Brand: Milwaukee
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Super Sawzall 6 Inch Reciprocating Saw Blade Pack Of 5 48005091 by Milwaukee
$14.55 $11.49
Reciprocating saw blades bimetal wood/plastic/metal cutting super sawzall vinyl pouch teeth per inch=8/12 Length 6 inch card of 5 Made with Matrix II high speed steel teeth containing 8 percent Cobalt to keep a sharper tooth edge longer. Faster cutting, longer life blades that can bend without shattering. This blade has a 1/2 inch universal tang that fits all Sawzalls and standard competitive saws. Applications: All Woods, Nail Embedded Woods, Composition Material, Plastic, Ferrous and NonFerrous Metals and Cast Iron. [Read more]
Brand: Milwaukee
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Super Sawzall 6 Inch Reciprocating Saw Blade Pack Of 5 48005186 by Milwaukee
$14.65 $11.29
Reciprocating saw blades bimetal metal cutting super sawzall vinyl pouch teeth per inch=24 Length 6 inch card of 5 Matrix II high speed steel teeth containing 8 percent Cobalt to keep a sharper tooth edge longer. BiMetal design allows faster cutting, longer life blades that can bend without shattering. 1/2 in. Universal Tang fits all Sawzalls. Applications: Cutting Metal Thinner Than 1/8 in, Tubing, Pipe, and Trim. [Read more]
Brand: Milwaukee
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Super Sawzall 6 Inch Reciprocating Saw Blade Pack Of 5 48005184 by Milwaukee
$14.55 $10.80
Reciprocating saw blades bimetal metal cutting super sawzall vinyl pouch teeth per inch=18 Length 6 inch card of 5 Matrix II high speed steel teeth containing 8 percent Cobalt to keep a sharper tooth edge longer. BiMetal design allows faster cutting, longer life blades that can bend without shattering. 1/2 in. Universal Tang fits all Sawzalls. Applications: Cutting metal 1/8 in. thru 3/16 in, Conduit, Tubing, Channels, and Pipe. [Read more]
Brand: Milwaukee
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Reciprocating Saw 7.5Amp PC75TRS by Porter Cable
$83.19 $74.40
Reciprocating saws 11/8 inch 7.5 amp vs keyless Twist lock toolfree blade change. Variablespeed trigger maintains speed for multiple cutting tasks. Pivoting shoe easily maneuvers around objects while cutting. Tooled shoe adjustment easily allows depth adjustment and extends blade life. Compact and lightweight design prevents user fatigue. Specs: 120V, 3,200 spm, keyless blade clamp, adjustable shoe, variablespeed trigger, antislip comfort grip, weighs 6.8 lbs. Includes wood cutting blade. [Read more]
Brand: Porter Cable
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20-Volt MAX Li-Ion Hammerdrill and Reciprocating Saw Combo Kit DCK292L2 by DeWalt
$467.89 $420.70
Cordless combo kits 2 tools 20 volt Hammerdrill features 3speed allmetal transmission, 0575/01,350/02,000 max rpm, 09,775/022,950/034,000 max bpm, 22 clutch settings, 1/2 inch all metal ratcheting chuck delivers 535UWO. Reciprocating saw features 4position keyless blade clamp, 11/8 inch stroke length, variable speed with 03000 spm, pivoting adjustable shoe, rubber over molded comfort grip, double oil sealed shaft, and electric brake. Includes: 2 tools, (2) 20V Max lithium ion 3.0 Ah battery packs, fast charger, 360degree side handle and contractor bag. [Read more]
Brand: Dewalt
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Super Sawzall 6 By 1/2 Inch Reciprocating Saw Blade Pack Of 5 48005041 by Milwaukee
$18.75 $14.90
Reciprocating saw blades bimetal wood cutting super sawzall vinyl pouch teeth per inch=4/6 Length 6 inch card of 5 Made with Matrix II high speed steel teeth containing 8 percent Cobalt to keep a sharper tooth edge longer. Faster cutting, longer life blades that can bend without shattering. This blade has a 1/2 inch universal tang that fits all Sawzalls and standard competitive saws. Applications: Fast Cutting, Circles, Contours, and Nail Embedded Wood [Read more]
Brand: Milwaukee
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Super Sawzall 9 By 3/4 Inch Reciprocating Saw Blade Pack Of 5 48005036 by Milwaukee
$22.89 $17.59
Reciprocating saw blades bimetal wood cutting super sawzall vinyl pouch teeth per inch=6 Length 9 inch card of 5 Made with Matrix II high speed steel teeth containing 8 percent Cobalt to keep a sharper tooth edge longer. Faster cutting, longer life blades that can bend without shattering. This blade has a 1/2 inch universal tang that fits all Sawzalls and standard competitive saws. Applications: Nail Embedded Wood and General RoughingIn Work. [Read more]
Brand: Milwaukee
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Tuff Tooth 10 Tooth Reciprocating Saw Blade Pack Of 5 20562 610R by Lenox Tools
$16.85 $12.70
Reciprocating saw blades wood/plastic/metal cutting rental tuff tooth carded teeth per inch=10 Length 6 inch card of 5 Optimized for specific application. Shatter resistant, bimetal design provides the flexibility and durability singlemetal blades can't. Applications: NonFerrous Metal, Thick Metal, Wood, Plastics, and Composites. [Read more]
Brand: Lenox Tools
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Super Sawzall 3 5/8 Inch Reciprocating Saw Blade Pack Of 5 48005163 by Milwaukee
$14.35 $11.30
Reciprocating saw blades bimetal metal cutting super sawzall vinyl pouch teeth per inch=18 Length 35/8 inch card of 5 Matrix II high speed steel teeth containing 8 percent Cobalt to keep a sharper tooth edge longer. BiMetal design allows faster cutting, longer life blades that can bend without shattering. 1/2 in. Universal Tang fits all Sawzalls. Applications: Scroll Cutting Metal 1/8 in. [Read more]
Brand: Milwaukee
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Makita 18 Volt LXT Lithium Ion Reciprocating Saw Kit BJR181 by Makita
$465.19 $418.30
Cordless reciprocating saw kits 18 volt variable speed Variable speed motor combined with a 11/8 length stoke to provide faster cutting, toolless blade change system allows for faster blade installation and removal, large 2finger variable speed trigger for added convenience, two builtin LED lights illuminate the work area, retractable tool hook compact, ergonomic shape, soft grip, LXT LithiumIon battery with 16 firm holding contact terminals, 30minute rapid optimum charger communicates with the battery's builtin chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature, 30minute rapid optimum charger has a builtin fan to cool the battery to produce more lifetime work, charger earned the Energy Star label for meeting the strict energyefficient guidelines set by the EPA and DOE. Specs: 11/8 inch stroke length, max cutting depth: pipe 51/8 inch, wood 10 inch, strokes/min 02,900SPM, 18V LXT LithiumIon battery, 195/8 inch O.A. l [Read more]
Brand: Makita
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Super Sawzall 4 Inch Reciprocating Saw Blade Pack Of 5 48005090 by Milwaukee
$10.65 $8.40
Reciprocating saw blades bimetal wood/plastic/metal cutting super sawzall vinyl pouch teeth per inch=10 Length 4 inch card of 5 Made with Matrix II high speed steel teeth containing 8 percent Cobalt to keep a sharper tooth edge longer. Faster cutting, longer life blades that can bend without shattering. This blade has a 1/2 inch universal tang that fits all Sawzalls and standard competitive saws. Applications: All woods, Nail Embedded Woods, Composition Material, Plastic, Ferrous and NonFerrous Metals. [Read more]
Brand: Milwaukee
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10 Amp Electric Reciprocating Saw CR13V by Hitachi
$162.99 $146.30
Reciprocating saws 11/8 inch10 ampvs Lightweight saw with variable speed, blade changing system, quick and easy requiring no tools and only one hand, reversible blade, mountable up or down, Dshaped handle, trigger, oversized to improve manageability, adjustable pivot foot, dust and water resistant, triple sealed construction. Specs: no load speed 02,800 SPM, 11/8 inch stroke length, keyless blade clamp, 171/8 inch long, weighs 7.3 pound Includes: heavy duty carrying case, all purpose blade, hex bar wrench. [Read more]
Brand: Hitachi
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Super Sawzall 6 Inch Reciprocating Saw Blade Pack Of 5 48005182 by Milwaukee
$14.65 $10.80
Reciprocating saw blades bimetal metal cutting super sawzall vinyl pouch teeth per inch=14 Length 6 inch card of 5 Matrix II high speed steel teeth containing 8 percent Cobalt to keep a sharper tooth edge longer. BiMetal design allows faster cutting, longer life blades that can bend without shattering. 1/2 in. Universal Tang fits all Sawzalls. Applications: Cutting Metal 3/16 in. thru 1/4 in, Conduit, Tubing, Channels, Pipe, Rubber, and Fiber. [Read more]
Brand: Milwaukee
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DeWalt 10 Amp Heavy Duty Reciprocating Saw Kit DW304PK by DeWalt
$129.59 $116.20
Reciprocating saws 11/8 inch10 ampvs Variable speed trigger allows user to control speed, 4position blade clamp allows for flush cutting and increased versatility, powerful motor designed for heavy duty applications, keyless lever action blade clamp for quick and easy blade changes. Specs: strokes/min 02,800SPM, 11/8 inch stroke length, keyless blade clamp lever, 4 position blade clamp, fixed adjustable shoe, variablespeed trigger, 17.5 inch long, weighs 7.0 pound Includes: kit box, instruction manual. [Read more]
Brand: Dewalt
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General International 90-240 M1 17-Inch Wood Band Saw
$2,099.99
The General International 90-240 M1 is a 17-Inch Woodcutting Band Saw. This bandsaw has a solid, ribbed cast-iron table and cast-iron wheels with two cutting speeds, enabling it to make precision cuts in both hard and soft wood. Features: Solid, high quality and durable precision-machined, ribbed cast-iron table with 10° left and 45° right tilting actionRemovable aluminum height measuring scale and aluminum rip fence with easy to read magnifying scaleTwo built-in 4-Inch diameter dust chutes for better dust collectionEasy turning blade tension wheel with blade tracking windowTwo cutting speeds give excellent results in both hard and soft woodsWide blade selection (1/8-Inch to 1-Inch wide)Quick blade release barHeavy-duty, well-balanced cast-iron wheels with complete all ball-bearing blade guideWhat's In The Box: General International 90-240 M1 17-Inch Wood Band Saw [Read more]
Brand: General International
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Bosch BSH180BL 18V Cordless Portable Band Saw with LBOXX-3 - Bare Tool
$189.99
Features: Up to 60 percent lighter than deep cut saws and up to 40 percent more compactIntegrated LED work light illuminates the cut line in dark areas2-1/2-inch by 2-1/2-inch cutting capacityBare tool, battery and charger sold separately What's In The Box: Bosch BSH180B 18V Cordless Portable Band Saw - Bare ToolLBOXX-3 Storage Container with Insert TrayBattery and charger NOT included [Read more]
Brand: Bosch
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Rocky Mtn. Saw Blades 641218B 64-1/2 in. x 1/2 in. 18TPI Bi-Metal Band Saw Blade
$19.99
The Rocky Mountain Saw Blades 641218B 64-1/2 inch x 1/2 inch 18 TPI Bi-Metal Band Saw Blade is made right here in Colorado, U.S.A! Features: Bi-Metal blades offer more cutting versatility and longer life through their unique construction, where a ribbon of high speed steel is electron-beam welded to a spring tempered alloy backerThe high speed steel edge offers durable, tough cutting ability, while the tempered alloy backer provides the fatigue resistance for long blade life18 TPI64-1/2 inch length x 1/2 inch width What's In The Box: Rocky Mtn. Saw Blades 641218B 64-1/2 in. x 1/2 in. 18TPI Bi-Metal Band Saw Blade [Read more]
Brand: Rocky Mt Saw Blades
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Rocky Mtn Saw Blades 1051206 105-Inch x 1/2-Inch x 6TPI Band Saw Blade
$14.99
The Rocky Mountain Saw Blades 1051206 105-inch x 1/2-inch 6 TPI Band Saw Blade is made right here in Colorado, U.S.A! The Rocky Mountain Saw Blades 1051206 is a 105-inch blade that is perfect for any wood project. Features: Blade has 6 teeth per inch105-inches in length1/2-inch wide What's In The Box: Rocky Mtn Saw Blades 1051206 105-Inch 6 TPI Band Saw Blade [Read more]
Brand: Rocky Mt Saw Blades
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Rocky Mtn. Saw Blades 1053406 105-In. X 3/4-In. 3/4-TPI Band Saw Blade
$15.99
The Rocky Mountain Saw Blades 1053406 105-inch 3/4-inch 3 to 4-TPI Variable Tooth Band Saw Blade is made right here in Colorado, U.S.A! The Rocky Mountain Saw Blades 1053406 is a 105-inch blade that is perfect for any wood project. Features: Blade has an alternating tooth patern of 4 TPI and 3 TPI105-inches in length3/4-inch wide What's In The Box: Rocky Mtn. Saw Blades 1053406 105-In. X 3/4-In. 3/4-TPI Band Saw Blade [Read more]
Brand: Rocky Mt Saw Blades
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General International 90-320 M1 17-Inch Wood and Metal Band Saw
$3,679.99
Features:2 HP, 220V, 3 Phase, 8 Amp motorDesigned for excellent results, for both wood and metal cutting applicationsSelect between metal and wood cutting speed ranges with a simple belt position changeDynamically balanced cast-iron wheelsSolid, high quality, precision-machined, ribbed cast-iron table with 5° left and 45° right tilting actionLarge Aluminum rip fence with easy to read magnifying scaleQuick release blade tension leverDual/opposing blade guide bearing systemTwo built-in 4-inch diameter dust chutes for better dust collectionQuick easy adjust variable speed control and digital display for blade speed in FEET/MINLarge paddle style stop switch with lockout safety pin and lock-out switch with key for main powerMiter gauge, laser line marker and worklight included17-inch wheel size with 122 - 810 RPM wheel speed in wood and 23 - 146 RPM wheel speed in metal applicationsBlade width: 1/8-in. to 1-in. Blade length: 131-1/2-in. Table size: 23-1/2-in. x 17-in. Table height: 39-3/4-in. Adjustable height of cut: 11-1/2-in. Max. width of cut: 16-1/4-in. Max. cutting (rip fence): 14-5/8-in. Base dimensions: 29-1/2-in. x 17-3/4-in. What's In The Box: General International 90-320 M1 17-Inch Wood and Metal Band SawMiter gaugeLaser line markerWorklight1/2-inch x 6TPI wood-cutting blade1/2-inch x 10TPI metal-cutting blade [Read more]
Brand: General International
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Powermatic 1791258 2013-3 20-in Band Saw, 3 HP, 3 Phase, 230V
$4,599.99
The 20-in Bandsaw has a powerful, totally enclosed, fan-cooled motor to keep dust out for longer life and maximum performanceAn extra large cast iron table offers more work area in front of the bladeThe table tilts 45-degrees to the right and 10-degrees to the left and comes standard with T-slot miter gaugeThe saw blade is surrounded by a fully adjustable guard, yet easily accessible for changingCast iron drive wheels are balanced and equipped with vulcanized rubber tiresA lower wheel brush eliminates sawdust buildupThe convenient foot brake ensures rapid stops while the steel and cast iron construction provides additional stability and durabilityLarge easy-to-use hand wheels give smooth adjustmentsThe bandsaw comes standard with a 2-speed drive pulley, and 4-in dust collection port for connection to a work shop dust collection systemThe upper wheel housing and guidepost have been designed with the rigidity necessary for industrial useExtra wide flange along with a heavy-duty rack and pinion trunnion assembly provides extra durability while eliminating any flex in the table3 phase3 HP230 V [Read more]
Brand: Powermatic
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Powermatic 1791800 PM1800 18-inch 5-Horsepower Single-Phase Band Saw
$4,794.99
The new Powermatic 1791800 PM1800 18-inch Band Saw, 5HP, Single Phase is a part of the new breed of high performance products from Powermatic. The PM1800 is designed with an enormous 18-inch resaw, multi-step blade tension, precision blade guides, and a 5HP motor hungry for hardwoods. This powerhouse comes standard with all the extra features you've come to expect from Powermatic. Features: Blade tension lever has full tension, partial tension, and release settings for easy blade changes and trackingMicro-adjustable, virtually tool-less bearing guide system gives close blade control while reducing frictionHeavy duty T-style rip fence has adjustable aluminum resaw fenceDual 4-inch exhaust ports for effective dust and chip removalMagnetic starter with power indicator lamp and jumbo stop18-inch resaw, and 18-inch blade to column capacity2-inch diameter solid steel pin for resaw workLarge 24-inch x 24-inch cast iron tableAdjustable miter gauge with stopsWhat's In The Box: Powermatic 1791800 PM1800 18-inch Band Saw, 5HP, Single Phase [Read more]
Brand: Powermatic
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Delta 28-856 12-inch Band Saw Rip Fence
$169.99
The Delta 28-856 rip fence guides the work piece, allowing more consistent straight cutting with a band saw. It mounts directly to the band saw table and adjusts easily. Fits Delta 12 inch and 14 inch band saws. Includes one rip fence. Features: Sturdy aluminum fence body for the Delta 12-Inch or 14-Inch band sawsRemovable pivot bar for freehand resawingWhat's In The box: Delta 28-856 Band Saw Rip Fence with guide bars and mounting screws [Read more]
Brand: Delta
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Jet 414500K J-8201K 14-Inch Wood/Metal Vertical Band Saw
$1,429.00
The J-8201K is one of our top selling vertical metal/wood band saws. Features: With a 1 HP motor, the J-8201K can cut through wood or metal easily as it is designed with a cast iron frame and a solid one piece steel baseDimensions: 20-in. L x 16-in. W x 68-in. HWeight 280 lbs.115 Volt, 1 phase motor1,725 RPMCutting capacity: 13-1/2 in. Cutting capacity height: 6 in. Blade size: 3/8-in. x .025-in. x 92 1/2-in. Blade speeds: 39, 57, 78, 107, 142, 196, 278, 3,300 SFPMThroat depth: 13-1/2 in. Blade width: minimum 1/8-in, maximum 3/4-in. Table size: 14-in. x 14-in. Table tilt: 15 degrees left, 45 degrees rightTable height at 90 degrees: 44 in. from floorCutting speeds: (metal) 39, 57, 78, 107, 142, 196, 278 SFPMCutting speeds: (wood) 3,300 SFPMMiter gauge groove: 3/4-in. wide x 3/8-in. deepUnder guide: 6 in. Under guide with riser block: 12 in. What's In The Box: Jet 414500K J-8201K 14-Inch Wood/Metal Vertical Band Saw [Read more]
Brand: Jet
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Milwaukee 6242-6 Compact Band Saw
$199.99
The Milwaukee 6242-6 Compact Band Saw is perfect for cutting metail in plac, overhead, or in tight spaces because of it's lightweight and compact design. The 6242-6 has a low-vibration design that delivers the cleanest cuts on different materials such as strut, 2-1/2-inch conduit, 3-inch angle iron, 3-inch copper. This Band Saw can even cut on threaded rod without ruining the threads. Features:3-1/4-inch cut capacity cuts most common materials for electrician, plumber, and mechanical cutting applications45 percent lighter than deep cut version - 9.5 pounds with compact, light weight design for cutting overhead and in tight places200-360 SFPM variable-speed dial adjusts the speed for more accurate cuts and hard materialsTool-free adjustable material shoe quickly adjusts the shoe and allows flush cuts when working with installed materials against walls and ceilingsLED work light illuminates the cut line in tight spaces and dark areasBlade ejection system lets you quickly change the blade by moving the material guide into the up position and depressing the blade ejection buttonDrop-resistant pulley guard has engineered geometries and high-impact polymerCast-aluminum gear case withstands jobsite abuse and maintains gear positioningWhat's In The Box: Milwaukee 6242-6 Compact Band SawBand Saw BladeCarrying Case [Read more]
Brand: Milwaukee
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Powermatic 1791500 PM1500 14-1/2-Inch 3 HP Band Saw
$2,899.99
The PM1500 packs many of the features traditionally only found on larger band saws, and brings them to a new, category-redefining, 15-inch size. As with every product Powermatic builds, the PM1500 pushes the limits of design, innovation, and durability. It truly is The Gold Standard. Features:14-1/2 inches of throat and 14 inches of resaw provide more capacity than a traditional 14 inch band sawSturdy cast iron table and trunnion assembly offers maximum rigidity for heavy work piecesExclusive Powermatic T-Square style Accu-Fence maximizes accuracy and safetyThe Accu-Fence has complete adjustability for aligning to blade and squaring to tablePositive locking cam with pressure adjustmentOversized side plate can be used in the horizontal or vertical positionSolid steel resaw pin for optimum ridgidityBlade tension release with electrical interlock prevents the band saw from starting when the blade is de-tensioned or releasedHeavy duty upper wheel support and tracking mechanism for smooth operationSolid cast iron upper and lower wheels create the momentum needed for heavy resawHigh end blade guides with tool less adjustment provide stability, increasing cut accuracyFour sided blade guard for optimum protectionIntegrated foot brake stops a coasting bladeMagnetic switch protects the motor from harm due to potential electrical supply issuesHeavy duty 230V 3 HP motor provides power needed for all projects What's In The Box: Powermatic 1791500 PM1500 14-1/2-Inch 3 HP Band Saw [Read more]
Brand: Powermatic
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General International 90-060 M1 12-Inch Band Saw
$609.99
The General International 90-060 M1 is a 12-Inch 1/2 HP Woodcutting Band Saw with a Laser Line Marker. This bandsaw has a durable cast-iron frame and aluminum wheels with two cutting speeds, enabling it to make precision cuts in both hard and soft wood. Features: Cast-iron frame with precision balanced aluminum wheels and replaceable rubber tiresTwo cutting speeds for excellent results in both hard and soft woodLarge, stable cast iron table and slide out steel extension wingSmooth running, durable 1/2 HP motor ensures consistent resultsSafety lock-out switch with removable key to prevent unauthorized use or accidental start-upsBuilt-in blade cleaning brush keeps tires free of dust and chipsTelescoping extension table with retractable fence attachmentWhat's In The Box: General International 90-060 M1 12-Inch Band Saw - 1/2 HP w/ LaserAluminum miter gauge with handlePrecision blade guide bearing includedIncludes goose neck style work light (Bulb not included) [Read more]
Brand: General International
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DeWalt DWM120 Heavy-Duty Variable Speed Deep Cut Portable Band Saw
$299.99
Features:10 amp motor designed with power to withstand any jobsite application5-inch deep cut capacity for rectangular stock (5 X 4-3/4-inch for round)Serviceable steel shroud and rubber bumpers allow guards to withstand jobsite abuse without damageLED sight light allows the user to see cut line in dark jobsite environmentIntegrated hang hook allows user to hang the saw without damaging front handle or castingsVariable speed dial allows user to vary speed for specific materials and various applications (100-350 SFM)Multi-position adjustable large front handle offers the user plenty of hand space for a more accurate cutSuperior balance and ergonomics allows for more accurate cuts and less user fatigueBlade tracking adjustment increases blade life by providing better blade trackingDual bearing blade guide rollers increase durability in the blade support systemDurable and adjustable material guide allows user to adjust for various jobsite materialsErgonomic soft grip back handle provides comfort during useExternally replaceable brushes allow for quick repairs on the jobsiteBlade changing lever loosens blade tension to allow for blade change What's In The Box: DeWalt DWM120 Heavy-Duty Variable Speed Deep Cut Portable Band SawHex wrenchStandard 44-7/8-in. x 1/2-in. x .020-in. blade [Read more]
Brand: Dewalt
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Bosch BSH180B 18-Volt Li-Ion Compact Band Saw - Bare Tool
$169.99
The Bosch BSH180B is a Bare 18-Volt Li-Ion Compact Band Saw. The new Bosch 18-Volt cordless compact band saw is up to 60-percent lighter that deep cut saws and up to 40-percent more compact. Its cutting capacity of 2-1/2-Inch by 2-1/2-Inch is ideal for the most common materials that electricians, plumbers and contractors work with. The flexible power system allows you to choose from a fat pack or slim pack battery. Features: Best-in-class compact size: up to 60-percent lighter than deep cut saws and up to 40-percent more compactIntegrated LED work light illuminates the cut line in dark areas2-1/2-Inch by 2-1/2-Inch cutting capacityRugged aluminum base: lightweight for easy portability; withstands tough jobsite conditionsElectronic Cell Protection (ECP): protects the battery from overload, overheat and deep dischargeBare tool, battery and charger sold separately What's In the Box: Bosch BSH180B 18-Volt Li-Ion Compact Band Saw - Bare ToolBattery NOT Included [Read more]
Brand: Bosch
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Powermatic 1791260 2415-3 24-in Band Saw, 5 HP, 3 Phase, 230V
$5,379.99
The 24-in Bandsaw has a powerful, totally enclosed, fan-cooled motor to keep dust out for longer life and maximum performanceAn extra large cast iron table offers more work area in front of the bladeThe table tilts 45-degrees to the right and 10-degrees to the left and comes standard with T-slot miter gaugeThe saw blade is surrounded by a fully adjustable guard, yet easily accessible for changingCast iron drive wheels are balanced and equipped with vulcanized rubber tiresA lower wheel brush eliminates sawdust buildupThe convenient foot brake ensures rapid stops while the steel and cast iron construction provides additional stability and durabilityLarge easy-to-use hand wheels give smooth adjustmentsThe bandsaw comes standard with a 2-speed drive pulley and a 4-in dust collection port for connection to a work shop dust collection systemThe upper wheel housing and guidepost have been designed with the rigidity necessary for industrial useExtra wide flange along with a heavy-duty rack and pinion trunnion assembly provides extra durability while eliminating any flex in the table3 phase5 HP230V [Read more]
Brand: Powermatic
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Jet 414466 Horizontal Band Saw 8-in x 14-in
$2,739.99
The HBS-814GH 8-in x 14-in Geared Head Horizontal BandsawBoasts a 1HP motorHydraulic feed, and hardened and ground worm gearsComes standard with a hydraulic feedCoolant system3/4-in carbon steel bladeQuick action vise51 1/2-in L x 18 1/8-in W x 44-in HNet weight 400-LbsGross weight 444-LbsMotor 1 HP115/230V1 phasePrewired 115VRound at 90-degrees 8-inRound at 45-degrees 6 1/2-inRectangle at 90-degrees 14-in x 8-in, 2-in x 14-inBlade size 3/4-in x .035-in x 97-inBlade speeds 135, 197, 256 SFPMBed height 26-inVise swivels 45-degreesRectangle at 45-degrees 6 1/2-in H x 6-in W, 2-in H x 7-in WThroat depth 8-inBlade wheel diameter 12-in [Read more]
Brand: Jet
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Fig. 2 - Portable hacksawing machine - Sierra cortametales portátil
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THE PORTABLE BAND SAWING MACHINE
The portable band sawing machine (Figure 2) or portable band saw is a lightweight, hand-held unit powered by an electric motor. The saw motor and gears rotate a solid steel band saw blade around two large wheel pulleys and through several saw blade guides at such an angle to give clearance to the workpiece being cut. The portable band saw can cut steel round stock to 3 3/8 inch diameter or steel rectangular stock 3 3/8-inch thick by 4 1/8 inch wide. The portable metal band sawing blades are 44 7/8 inches long and can have from 6 to 24 teeth per inch, providing a wide range of cutting capabilities. Single-speed band saw models are designed for softer metals, such as brass, aluminum, and mild steel. Two-speed and variable speed models can be switched to a low speed to cut harder metals, such as stainless steel or tungsten. The band saw blade is completely enclosed, using the motor housing as a blade guard, except for the exposed part of the blade that does the sawing. A hand grip and trigger switch are provided on one end of the saw and a knob grip is on the other end to provide for maximum control while sawing.
To start sawing, make sure that the material to be cut is held very securely in the vise to avoid excessive vibration.
Select the appropriate blade for the material to be cut and mount the blade securely into the portable band saw in accordance with the manufacturer's instructions. Take hold of the front knob grip handle and rear hand grip handle and squeeze the trigger switch to start the saw blade in motion. Set the speed appropriately if operating a two-speed or variable speed model. Gently lower the portable band saw onto the workpiece, being careful to use the weight of the machine as pressure to cut. If the operator uses additional pressure on the workpiece, the saw blade will slow down and reduce the cutting efficiency. Hold the machine steady and the saw blade straight to avoid twisting or breaking the blade. At the completion of the cut, do not allow the saw to fall onto the workpiece. Maintain hand control of the machine, release the trigger switch, and allow the blade to stop before setting down the saw. Never use a liquid coolant with the portable band sawing machine as this could damage the saw guide bearings or rubber pulleys. Lubricate and service each saw as specified in the manufacturer's instructions.
THE PORTABLE RECIPROCATING SAW
The portable reciprocating saw (Figure 3) is a handheld lightweight machine tool that can be electrically or pneumatically powered, depending on the model selected. The saw motor and gearing cause a single knife-like blade to move rapidly in and out, sawing across a workpiece as hand pressure is applied. The saw may be a one-speed model or two speed model. The one-speed model operates at high speed only and is used for cutting soft materials like wood or sheet rock. The two-speed models have a switch that can move the speed from high speed to low speed, so that harder materials, such as metal pipes and steel sheets, can be cut.
The portable reciprocating saw, with the proper blade installed, can cut through steel stock up to 1 inch square or steel pipe up to 4 inches in diameter. An enclosed hand grip handle with trigger switch is provided at one end of the saw and another hand grip is toward the front of the saw, near the blade, to provide for maximum control while sawing. The blade freely protrudes from an angled work rest that is attached to the motor housing. There is no blade guard, so care must be exercised at all times.
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LA MÁQUINA ASERRADORA DE CINTA PORTÁTIL
La máquina de sierra de cinta (figura 2) o máquina aserradora de cinta portátil es una unidad liviana, manual accionada por un motor eléctrico. El motor y los engranajes de la sierra hacen girar una hoja de sierra de cinta sólida de acero alrededor de dos poleas ruedas grandes y a través de varias guías de hoja de sierra a un ángulo tal que permita el espacio necesario al objeto que es cortado. La máquina aserradora de cinta portátil puede cortar material redondo de acero de hasta de 3 3/8 pulgada de diámetro o material rectangular de acero 3 3/8 pulgadas de espesor por 4 1/8 pulgada de ancho. Las hojas de sierra de metal de la máquina portátil tienen 44 7/8 pulgadas de largo y pueden tener desde 6 hasta 24 dientes por pulgada, proporcionando una amplia gama de capacidades de corte. Los modelos de máquinas de aserrar de velocidad única están diseñados para metales más blandos, tales como latón, aluminio, y acero blando. Los modelos de dos velocidades y de velocidad variable se pueden cambiar a baja velocidad para cortar metales más duros, tales como acero inoxidable o tungsteno. La hoja de sierra de banda está totalmente oculta, usando el compartimento del motor como protector de hoja, a excepción de la parte expuesta de la hoja que realiza el corte. Una manivela y un interruptor de encendido se encuentran en un extremo de la sierra y una perilla de agarre se encuentra en el otro extremo para proporcionar máximo control mientras se asierra.
Para comenzar a aserrar, cerciórese de que el material que se cortará está ajustado muy firmemente en la morsa para evitar una vibración excesiva.
Seleccione la hoja apropiada para el material que será cortado y coloque la hoja con seguridad en la sierra portátil de banda de acuerdo con las instrucciones del fabricante. Tome la perilla de sujeción frontal y la manija posterior y presione el interruptor disparador para poner la hoja de sierra en movimiento. Fije la velocidad apropiadamente si opera un modelo de dos velocidades o de velocidad variable. Baje suavemente la sierra portátil de banda sobre el objeto, teniendo cuidado de utilizar el peso de la máquina como presión para cortar. Si el operador utiliza presión adicional sobre el objeto, la hoja de sierra se volverá más lenta y se reducirá la eficacia del corte. Sostenga la máquina firmemente y la hoja de sierra en forma recta para evitar torcer o romper la hoja. Al finalizar el corte, no permita que la sierra caiga sobre el objeto. Mantenga el control manual de la máquina, libere el interruptor de disparo, y permita que la hoja se detenga antes de apagar la sierra. Nunca utilice un líquido refrigerante con la sierra portátil de banda pues esto podría dañar los rodamientos de guía de la sierra o las poleas de goma. Lubrique y mantenga cada sierra según lo especificado en las instrucciones del fabricante.
LA SIERRA RECÍPROCA PORTÁTIL
La sierra recíproca portátil (también conocida como sierra sable, sierra reciprocante, sierra de movimiento alternativo, sierra caladora, sierra alternativa , etc.) (Figura 3) es una máquina herramienta liviana manual que se puede accionar eléctrica o neumáticamente, dependiendo del modelo seleccionado. El motor y el engranaje de la sierra hacen que una sola lámina similar a un cuchillo se mueva rápidamente hacia adentro y fuera, aserrando a través de un objeto mientras que la presión manual es aplicada. La sierra puede ser un modelo de velocidad única o un modelo de dos velocidades. El modelo de velocidad única funciona a alta velocidad solamente y se utiliza para cortar materiales blandos como madera o planchas de roca. Los modelos de dos velocidades tienen un interruptor que pueden cambiar la velocidad desde velocidad alta a baja velocidad, de modo que materiales más duros, tales como tubos de metal y hojas de acero, puedan ser cortados.
La sierra recíproca portátil, con la hoja apropiada instalada, puede cortar a través material de acero de hasta 1 pulgada cuadrada o caños de acero de hasta 4 pulgadas de diámetro. Una manija con el interruptor de disparo incluido se encuentra en un extremo de la sierra y otra manija para sujeción está hacia la parte frontal de la sierra, cerca de la hoja, para proporcionar control máximo mientras se asierra. La lámina resalta libremente de un portapiezas anguloso que se fija al compartimento del motor. No hay protector de lámina, así que se debe tener cuidado siempre.
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Fig. 3 - Portable reciprocating saw - Sierra recíproca portátil
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To start sawing, ensure the material to be cut is held securely to avoid vibration that could break the saw blade. Select the right blade for the material to be cut and mount the blade into the blade clamp according to the manufacturer's instructions. Check the speed setting, get a firm grip on both handles, and squeeze the trigger switch. Guide the saw so that the work rest is against the workpiece and lower the saw until the blade starts cutting into the workpiece. Keep a firm grip through the saw cut and control the saw to avoid twisting or breaking the blade. After the cut is completed, maintain control of the saw and release the trigger switch. Allow the blade to come to a complete stop before laying the tool down. Periodically lubricate and service the portable reciprocating saw according to the manufacturer's instructions.
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Para comenzar a aserrar, asegúrese de que el material que se cortará está ajustado con seguridad para evitar la vibración que podría romper la hoja de sierra. Seleccione la hoja correcta para el material que será cortado y coloque la hoja en la abrazadera de hoja siguiendo las instrucciones del fabricante. Compruebe el ajuste de la velocidad, asegure una presión firme en ambas manijas, y oprima el interruptor del disparador. Dirija la sierra de modo que el portapiezas esté contra el objeto y baje la sierra hasta que la hoja comience a cortar el objeto. Mantenga una presión firme durante el corte de la sierra y controle la sierra para evitar torcer o romper la hoja. Después de que se termine el corte, mantenga el control de la sierra y libere el interruptor del disparador. Permita que la hoja alcance a una parada completa antes de poner la herramienta abajo. Lubrique y mantenga periódicamente la sierra de recíproca portátil según las instrucciones del fabricante. |
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