HSS Blank
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Features
Bars made of HSS or HSS CO, chamfered, finely ground and tapered to the same tolerance as the grinding drill. The blank has a good balance between wear resistance and processability, and is designed to meet customer-specific manufacturing needs.
Data
| Metric Drill Blanks | |
| diameter (mm) | length (mm) |
| 2.0 | 49 |
| 2.5 | 57 |
| 3.0 | 61 |
| 3.5 | 70 |
| 4.0 | 75 |
| 4.5 | 80 |
| 5.0 | 86 |
| 5.5 | 93 |
| 6.0 | 93 |
| 6.5 | 101 |
| 7.0 | 109 |
| 7.5 | 109 |
| 8.0 | 117 |
| 8.5 | 117 |
| 9.0 | 125 |
| 9.5 | 125 |
| 10.0 | 133 |
| 10.5 | 133 |
| 11.0 | 142 |
| 11.5 | 142 |
| 12.0 | 151 |
| 12.5 | 151 |
| 13.0 | 151 |
| Inch Drill Blanks | ||
| diameter (Dia) | Dec. Equiv. | length (inch) |
| 1/16 | 0.0625 | 1-3/8 |
| 7/64 | 0.1094 | 2-5/8 |
| 1/8 | 0.1250 | 2-3/4 |
| 9/64 | 0.1406 | 2-7/8 |
| 5/32 | 0.1562 | 3-1/8 |
| 11/64 | 0.1719 | 3-1/4 |
| 3/16 | 0.1875 | 3-1/2 |
| 13/64 | 0.2031 | 3-5/8 |
| 7/32 | 0.2188 | 3-3/4 |
| 15/64 | 0.2344 | 3-7/8 |
| 1/4 | 0.2500 | 4 |
| 17/64 | 0.2656 | 4-1/8 |
| 9/32 | 0.2812 | 4-1/4 |
| 19/64 | 0.2969 | 4-3/8 |
| 5/16 | 0.3125 | 4-1/2 |
| 21/64 | 0.3281 | 4-5/8 |
| 11/32 | 0.3438 | 4-3/4 |
| 23/64 | 0.3594 | 4-7/8 |
| 3/8 | 0.3750 | 5 |
| 25/64 | 0.3906 | 5-1/8 |
| 13/32 | 0.4062 | 5-1/4 |
| 27/64 | 0.4219 | 5-3/8 |
| 7/16 | 0.4375 | 5/1/2 |
| 29/64 | 0.4531 | 5-5/8 |
| 15/32 | 0.4688 | 5-3/4 |
| 31/64 | 0.4844 | 5-7/8 |
| 1/2 | 0.5000 | 6 |
