British standard Pipe Taper Thread Series PT
British standard Pipe Taper Thread Series(PT)
| Size | Basic Diameter mm |
Thread Length mm |
Shank Diameter mm |
No. of Flutes | Overall Length mm |
Welded(W)/ Tungsten(T) | ||
| 1/16 | PT | 28 | 7.723 | 18 | 6.5 | 4 | 55 | T |
| 1/8 | PT | 28 | 9.728 | 19 | 8 | 4 | 55 | T |
| 1/4 | PT | 19 | 13.157 | 21 | 11 | 4 | 62 | T |
| 3/8 | PT | 19 | 16.662 | 24 | 14/22.225 | 4 | 80 | W |
| 1/2 | PT | 14 | 20.995 | 26 | 18/22.225 | 4 | 85 | W |
| 3/4 | PT | 14 | 26.441 | 26 | 23/22.225 | 4 | 85 | W |
| 1” | PT | 11 | 33.249 | 26 | 26/22.225 | 4 | 85 | W |
| 1”1/4 | PT | 11 | 41.910 | 26 | 32/22.225 | 6 | 85 | W |
| 1”1/2 | PT | 11 | 47.803 | 26 | 32 | 6 | 85 | W |
| 2” | PT | 11 | 59.614 | 30 | 32 | 6 | 90 | W |
| 2”1/2 | PT | 11 | 75.184 | 35 | 32 | 8 | 95 | W |
| 3” | PT | 11 | 87.884 | 35 | 32 | 8 | 95 | W |
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