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Full straight-shank jobber range from 1/16" to 1/2" — M2 quality built to ASME B.94.11M. Manufactured to ASME B.94.11M, suited to drilling stainless steel and other hard materials; coolant recommended for production runs. Factory-direct from a 20-year precision-tools manufacturer with ISO 9001 / 14001 / 45001 triple-system certification.
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| Φd (inch) | Φd (mm) | L1 (mm) | L2 (mm) |
| 1/16" | 1.58 | 48 | 22 |
| 5/64" | 1.98 | 51 | 25 |
| 3/32" | 2.38 | 57 | 32 |
| 7/64" | 2.78 | 67 | 38 |
| 1/8" | 3.17 | 70 | 41 |
| 9/64" | 3.57 | 73 | 44 |
| 5/32" | 3.96 | 79 | 51 |
| 11/64" | 4.37 | 83 | 54 |
| 3/16" | 4.76 | 89 | 59 |
| 13/64" | 5.16 | 92 | 62 |
| 7/32" | 5.56 | 95 | 64 |
| 15/64" | 5.95 | 98 | 67 |
| 1/4" | 6.35 | 102 | 70 |
| 17/64" | 6.75 | 105 | 73 |
| 9/32" | 7.14 | 108 | 75 |
| 19/64" | 7.54 | 111 | 78 |
| 5/16" | 7.94 | 114 | 81 |
| 21/64" | 8.33 | 117 | 84 |
| 11/32" | 8.73 | 121 | 87 |
| 23/64" | 9.13 | 124 | 89 |
| 3/8" | 9.52 | 127 | 92 |
| 25/64" | 9.92 | 130 | 95 |
| 13/32" | 10.32 | 133 | 98 |
| 27/64" | 10.72 | 137 | 100 |
| 7/16" | 11.11 | 140 | 103 |
| 29/64" | 11.51 | 143 | 106 |
| 15/32" | 11.9 | 146 | 110 |
| 31/64" | 12.3 | 149 | 111 |
| 1/2" | 12.7 | 152 | 114 |
Manufactured to ASME B.94.11M in an ISO 9001 / 14001 / 45001 triple-certified facility — every drill is inspected before packing.
The series covers 1/16" to 1/2" (metric equivalents listed in the table above), with full sets or individual sizes available.
In stainless and hard materials, coolant keeps flute temperature down, protects the cutting edge and improves hole finish.
Yes — custom branding, packaging and bulk size-assortment programs are available.
Email [email protected] or message us on WhatsApp for wholesale pricing, samples and lead times.
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