Download As Cheat Sheet
Hand Tapping | How To Guide
11 Different Types Of Taps To Select | Complete Guide
| Brass Thread |
|---|
Nominal
dia. | Threads
per
inch | Tap
drill sizes
mm. |
*1/4*
5/16*
3/8*
7/16*
1/2*
5/8*
3/4*
7/8*
1*
| 26
26
26
26
26
26
26
26
26 | 5.30
6.90
8.40
10.00
11.50
14.70
17.75
21.10
24.75 |
| *1/4* Brass is identical to 1/4* BSF |
