NPT Pipe thread ANSI B 1.20.1
Ø | Threads per Inch | pilot holeØ mm | Millimeter | Inch Decimal |
---|---|---|---|---|
1/8 | 27 | 8,50 | 10,287 | 0,405 |
1/4 | 18 | 11,00 | 13,716 | 0,540 |
3/8 | 18 | 14,50 | 17,145 | 0,675 |
1/2 | 14 | 18,00 | 21,336 | 0,840 |
3/4 | 14 | 23,00 | 26,670 | 1,050 |
1 | 11.1/2 | 29,00 | 33,401 | 1,315 |
1.1/4 | 11.1/2 | 38,00 | 42,164 | 1,660 |
1.1/2 | 11.1/2 | 44,00 | 48,260 | 1,900 |
2 | 11.1/2 | 56,00 |