top of page
Pre Ream Drill Size
Pre Ream Drill for 2% Ream
Reamer Diameter | Drill for 2% Ream | Decimal Equivalent |
|---|---|---|
7/16 (0.4375) | 10.8MM | 0.4288 |
27/64 (0.4219) | 10.4MM | 0.4135 |
13/32 (0.4062) | 10.0MM | 0.3982 |
25/64 (0.3906) | 9.6MM | 0.3828 |
3/8 (0.3750) | 9.25MM | 0.3675 |
23/64 (0.3594) | S | 0.3522 |
11/32 (0.3438) | 8.5MM | 0.3370 |
21/64 (0.3281) | 8.1MM | 0.3215 |
5/16 (0.3125) | 7.75MM | 0.3063 |
19/64 (0.2969) | 7.3MM | 0.2910 |
9/32 (0.2812) | I | 0.2756 |
17/64 (0.2656) | 6.5MM | 0.2600 |
bottom of page