Skip to contentDrill Bit Specifications
| SIZE (Inches) | Approx. Weight (Lbs.) | Reg. *A.P.I. Pin Shank Size, (Inches) | SIZE (Inches) | Approx. Weight (Lbs.) | Reg. *A.P.I. Pin Shank Size, (Inches) |
|---|
| 3-3/4 | 10 | 2-3/8 | 8-3/8 | 67 | 4-1/2 |
| 3-7/8 | 10 | 8-1/2 | 68 |
| 4-1/8 | 11 | 8-5/8 | 73 |
| 4-1/4 | 11 | 8-3/4 | 74 |
| 4-3/8 | 11 | 9 | 75 |
| 4-1/2 | 11 | 9-1/2 | 102 |
| 4-5/8 | 16 | 2-7/8 | 9-5/8 | 112 | 4-1/2 |
| 4-3/4 | 16 | 2-7/8 | 9-3/4 | 112 | 5-1/2 or 6-5/8 |
| 4-7/8 | 16 | 9-7/8 | 112 |
| 5-1/8 | 25 | 3-1/2 | 10-5/8 | 140 | 5-1/2 or 6-5/8 |
| 5-3/8 | 25 | 3-1/2 | 11 | 145 | 6-5/8 |
| 5-5/8 | 25 | 11-3/4 | 170 |
| 5-3/4 | 25 | 12 | 175 |
| 5-7/8 | 25 | 12-1/4 | 179 |
| 6 | 28 | 13-3/4 | 245 |
| 6-1/8 | 28 | 14-3/4 | 300 |
| 6-1/4 | 28 | 15 | 300 |
| 6-3/8 | 29 | 16 | 334 |
| 6-1/2 | 29 | 17 | 497 |
| 6-5/8 | 29 | 17-1/2 | 500 |
| 6-3/4 | 37 | 18-1/2 | 569 |
| 7 | 42 | 20 | 614 |
| 7-3/8 | 42 | 3-1/2 | 22 | 758 | 6-5/8 or 8-5/8 |
| 7-1/2 | 56 | 4-1/2 | 22 | 1039 | 6-5/8 or 8-5/8 |
| 7-5/8 | 57 | 23 | 1065 |
| 7-3/4 | 58 | 24 | 1165 |
| 7-7/8 | 59 | 26 | 1190 |
| 8-1/8 | 64 | | 26 | 1225 | 6-5/8 or 8-5/8 |
