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About Steel
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Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Tight-Tolerance Ultra-Heat-Resistant M42 High-Speed Tool Steel Rods
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Machine saw blades, end mills, and other cutting tools that stay hard and sharp at top speeds and temperatures. M42 runs faster and hotter than other grades of high-speed tool steel, so it slices through material as tough as titanium without softening or wearing down. Precision ground and held to a strict tightness tolerance, this steel is all set to turn in your lathe. Also known as cobalt steel.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia. | Dia. Tolerance | Lg. | Yield Strength | Hardness | Mechanical Finish | Each | ||
|---|---|---|---|---|---|---|---|---|
| 1/64" | -0.0002" to 0" | 1 1/2" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A12 | 00000 | |
| 1/32" | -0.0002" to 0" | 1 1/2" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A14 | 0000 | |
| 3/64" | -0.0002" to 0" | 1 3/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A16 | 0000 | |
| 1/16" | -0.0002" to 0" | 1 7/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A18 | 0000 | |
| 5/64" | -0.0002" to 0" | 2" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A22 | 0000 | |
| 3/32" | -0.0002" to 0" | 2 1/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A24 | 0000 | |
| 7/64" | -0.0002" to 0" | 2 3/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A26 | 0000 | |
| 1/8" | -0.0002" to 0" | 2 3/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A28 | 0000 | |
| 9/64" | -0.0002" to 0" | 3" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A32 | 0000 | |
| 5/32" | -0.0002" to 0" | 3 1/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A34 | 0000 | |
| 11/64" | -0.0002" to 0" | 3 1/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A36 | 0000 | |
| 3/16" | -0.0002" to 0" | 3 1/2" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A38 | 0000 | |
| 13/64" | -0.0002" to 0" | 3 5/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A42 | 0000 | |
| 7/32" | -0.0002" to 0" | 3 3/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A44 | 00000 | |
| 15/64" | -0.0002" to 0" | 3 7/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A46 | 00000 | |
| 1/4" | -0.0002" to 0" | 4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A48 | 00000 | |
| 17/64" | -0.0002" to 0" | 4 1/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A52 | 00000 | |
| 9/32" | -0.0002" to 0" | 4 1/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A54 | 00000 | |
| 19/64" | -0.0002" to 0" | 4 3/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A56 | 00000 | |
| 5/16" | -0.0002" to 0" | 4 1/2" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A58 | 00000 | |
| 21/64" | -0.0002" to 0" | 4 5/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A62 | 00000 | |
| 11/32" | -0.0002" to 0" | 4 3/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A64 | 00000 | |
| 23/64" | -0.0002" to 0" | 4 7/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A66 | 00000 | |
| 3/8" | -0.0002" to 0" | 5" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A68 | 00000 | |
| 25/64" | -0.0002" to 0" | 5 1/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A81 | 00000 | |
| 13/32" | -0.0002" to 0" | 5 1/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A82 | 00000 | |
| 27/64" | -0.0002" to 0" | 5 3/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A83 | 00000 | |
| 7/16" | -0.0002" to 0" | 5 1/2" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A84 | 00000 | |
| 29/64" | -0.0002" to 0" | 5 5/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A85 | 00000 | |
| 15/32" | -0.0002" to 0" | 5 3/4" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A86 | 00000 | |
| 31/64" | -0.0002" to 0" | 5 7/8" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A87 | 00000 | |
| 1/2" | -0.0002" to 0" | 6" | Not Rated | Rockwell C65 (Extra Hard) | Precision Ground | 8813A88 | 00000 |
Grind-Your-Own Lathe Tool Blanks
Square Shank
 |
Shank | M42 High-Speed Tool Steel | |||||||
|---|---|---|---|---|---|---|---|---|
Wd. | Ht. | Overall Lg. | End Shape | Bevel Angle | Mfr. | Each | ||
| 1/8" | 1/8" | 2 1/2" | Bevel | 10° | Arthur R. Warner | 3363A11 | 000000 | |
| 3/16" | 3/16" | 2 1/2" | Bevel | 10° | Arthur R. Warner | 3363A8 | 00000 | |
| 1/4" | 1/4" | 2 1/2" | Bevel | 10° | Arthur R. Warner | 3363A1 | 00000 | |
| 5/16" | 5/16" | 2 1/2" | Bevel | 10° | Arthur R. Warner | 3363A2 | 00000 | |
| 3/8" | 3/8" | 3" | Bevel | 10° | Arthur R. Warner | 3363A3 | 00000 | |
| 7/16" | 7/16" | 3 1/2" | Bevel | 10° | Arthur R. Warner | 3363A4 | 00000 | |
| 1/2" | 1/2" | 4" | Bevel | 10° | Arthur R. Warner | 3363A5 | 00000 | |
| 5/8" | 5/8" | 4 1/2" | Bevel | 10° | Arthur R. Warner | 3363A6 | 00000 | |
| 3/4" | 3/4" | 5" | Bevel | 10° | Arthur R. Warner | 3363A7 | 00000 | |
| 7/8" | 7/8" | 6" | Bevel | 10° | Arthur R. Warner | 3363A9 | 000000 | |
| 1" | 1" | 7" | Bevel | 10° | Arthur R. Warner | 3363A12 | 000000 | |
