Download As Cheat Sheet
NPS American National
Straight Pipe |
|---|
Nominal
dia. | Threads
per
inch | Tap drill
sizes 75%
to 80%
full thread |
1/8*
1/4*
3/8*
1/2*
3/4*
1*
1.1/4*
1.1/2* | 27
18
18
14
14
11.1/2
11.1/2
11.1/2 | 9.00
11.50
15.00
18.50
23.75
30.00
39.00
45.00 |
11 Different Types Of Taps To Select | Complete Guide
Hand Tapping | How To Guide
