| Total qty | Discount | Per unit | You save |
|---|---|---|---|
| 1 | — | — | |
| 2 – 3 | 5% off | ||
| 4 – 11 | 7% off | ||
| 12 + | 10% off |
Pack Size Options
These High Speed Steel (HSS) twist drills are precision ground and sized from #49 through #30 for accurate drilling in a wide range of metals. Each drill has a shank diameter equal to its cutting diameter. For use in handpieces with 3/32" collets—such as quick change or fixed collet style handpieces—adaptor chucks are available to securely hold these smaller shank drills.
| Material | High Speed Steel (HSS) |
|---|---|
| Size Range | #49–#30 |
| Shank Type | Same as Drill Diameter |
| Sales Unit | Pack of 5 |
| Application | Drilling Precious and Non-Ferrous Metals |
| Part # | Drill Size | Metric Diameter | Inch Diameter |
|---|---|---|---|
| 128.530 | #30 | 3.264 mm | 0.1285" |
| 128.531 | #31 | 3.048 mm | 0.1200" |
| 128.532 | #32 | 2.946 mm | 0.1160" |
| 128.533 | #33 | 2.870 mm | 0.1130" |
| 128.534 | #34 | 2.819 mm | 0.1110" |
| 128.535 | #35 | 2.794 mm | 0.1100" |
| 128.536 | #36 | 2.705 mm | 0.1065" |
| 128.537 | #37 | 2.642 mm | 0.1040" |
| 128.538 | #38 | 2.578 mm | 0.1015" |
| 128.539 | #39 | 2.527 mm | 0.0995" |
| 128.540 | #40 | 2.489 mm | 0.0980" |
| 128.541 | #41 | 2.438 mm | 0.0960" |
| 128.542 | #42 | 2.375 mm | 0.0935" |
| 128.543 | #43 | 2.261 mm | 0.0890" |
| 128.544 | #44 | 2.184 mm | 0.0860" |
| 128.545 | #45 | 2.083 mm | 0.0820" |
| 128.546 | #46 | 2.057 mm | 0.0810" |
| 128.547 | #47 | 1.994 mm | 0.0785" |
| 128.548 | #48 | 1.930 mm | 0.0760" |
| 128.549 | #49 | 1.854 mm | 0.0730" |
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