| size | pitch | tap drill | close fit | loose fit |
|---|---|---|---|---|
| no. 6 | 32 | no. 36 | no. 27 | no. 25 |
| no. 10 | 32 | no. 21 | no. 9 | no. 7 (13/64") |
| 1/4" | 20 | no. 8 (13/64") | let. f | let. h (17/64") |
| size | pitch | tap drill | close fit | loose fit |
|---|---|---|---|---|
| no. 6 | 32 | no. 36 | no. 27 | no. 25 |
| no. 10 | 32 | no. 21 | no. 9 | no. 7 (13/64") |
| 1/4" | 20 | no. 8 (13/64") | let. f | let. h (17/64") |