Description
Widder M42 Matrix Cobalt Bi-Metal Hacksaw Blades are manufactured using M42 Cobalt steel. They are Electron-beam welded to an alloy carbon steel body, making the blades shatter resistant*. These blades are raker set and represent the optimal peak between durability and cutting speed.
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WIDDER M42 MATRIX COBALT BI-METAL HACKSAW BLADES |
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| PART | LENGTH | TPI | MIN. WALL THICKNESS |
| 22290 | 8″ | 8 | 3/16″ |
| 22210 | 8″ | 16 | 3/32″ |
| 22211 | 8″ | 24 | 1/16″ |
| 22271 | 10″ | 4 | 3/8″ |
| 22231 | 12″ | 12 | 1/8″ |
| 22260 | 12″ | 16 | 3/32″ |
| 22229 | 16″ | 8 | 3/16″ |
| 22270 | 16″ | 16 | 3/32″ |
| 22272 | 20″ | 14 | 1/8″ |
| 22240 | 21″ | 5 | 5/16″ |
| 22230 | 21 13/16″ | 12 | 1/8″ |
| 22273 | 24″ | 14 | 1/8″ |
| 22275 | 30″ | 12 | 1/8″ |
| 22237 | 37″ | 12 | 1/8″ |
To determine correct blade length, add 6-1/2″ to the O.D. of the pipe being cut.
*Note: As with all metal cutting tools, wear appropriate eye protection and safety equipment. Metal cutting can produce flying debris; saw blades can bend and break under extreme loads or sudden impact.
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Cutting Speeds for Widder M42 Cobalt Blades |
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| MATERIAL | STROKES PER MINUTE |
| Carbon Steel | 160 |
| Structural Steel & Pipe | 180 |
| Ductile Iron | 120 |
| Alloy Steel | 120 |
| Stainless Steel | 80 |
| Aluminum | 160 |
| Brass | 120 |
