British Standard Thread Series BSW/BSF
British Standard Whitworth Thread Series(BSW)
| Size | Pitch mm |
Thread Length mm |
Shank Diameter mm |
Overall Length mm |
Welded(W)/ Tungsten(T) |
| 1/8 – 40 | 0.635 | 14 | 4 | 50 | T |
| 5/32 – 32 | 0.794 | 14 | 5 | 50 | T |
| 3/16 – 24 | 1.058 | 14 | 5.5 | 50 | T |
| 1/4 – 20 | 1.270 | 16 | 6 | 62 | T |
| 5/16 – 18 | 1.411 | 20 | 6.1 | 62 | T |
| 3/8 – 16 | 1.588 | 22 | 7 | 75 | T |
| 7/16 – 14 | 1.814 | 24 | 8 | 75 | T |
| 1/2 – 12 | 2.117 | 26 | 9 | 75 | T |
| 9/16 – 12 | 2.117 | 30 | 12/22.225 | 85 | W |
| 5/8 – 11 | 2.309 | 30 | 12/22.225 | 85 | W |
| 11/16 – 11 | 2.309 | 30 | 12/22.225 | 85 | W |
| 3/4 – 10 | 2.540 | 30 | 16/22.225 | 85 | W |
| 7/8 – 9 | 2.822 | 30 | 16/22.225 | 85 | W |
| 1” – 8 | 3.175 | 30 | 20/22.225 | 85 | W |
| 1”1/8 – 7 | 3.629 | 30 | 20/22.225 | 85 | W |
| 1”1/4 – 7 | 3.629 | 30 | 20/22.225 | 85 | W |
| 1”3/8 – 6 | 4.233 | 30 | 25/22.225 | 85 | W |
| 1”1/2 – 6 | 4.233 | 30 | 25/22.225 | 85 | W |
| 1”3/4 – 5 | 5.080 | 30 | 25/22.225 | 90 | W |
| 2” – 4.5 | 5.644 | 30 | 25/31.75 | 90 | W |
| 2”1/4 – 4 | 6.350 | 30 | 25/31.75 | 90 | W |
| 2”1/2 – 4 | 6.350 | 30 | 25/31.75 | 90 | W |
British Standard Fine Thread Series(BSF)
This series of products need to be customized. Contact us now!Can not find what you need? Contact us now!
