Pipe Thread Gage Handle Sizes

Size
NPT
NPTF
NPSM
NPSF
1/16-27
1
1
- - -
- - -
1/8-27
2
2
2
2
1/4-18
3
3
3
3
3/8-18
3
3
3
3
1/2-14
4
4
4
4
3/4-14
4
4
4
4
1-11 1/2
5
5
5
5
1 1/4-11 1/2
5
5
5
- - -
1 1/2-11 1/2
5
5
5
- - -
2-11 1/2
5
5
5
- - -
2 1/2-8
6
6
6
- - -
3-8
6
6
6
- - -
3 1/2-8
7
- - -
- - -
- - -
4-8
7
- - -
- - -
- - -
5-8
7
- - -
- - -
- - -
6-8
7
- - -
- - -
- - -

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