Description
Back Nuts
Description
Female threaded back nuts are generally used to secure threaded pipework and fittings to bulkheads and tanks. No special tools are required.
Sizing - BSP Threads
The following table details approximate thread diameters for male BSP threads.
| Nom Pipe Size | 1/2" | 3/4" | 1" | 1 1/4" | 1 1/2" | 2" | 2 1/2" | 3" | 4" |
| Thread Dia mm | 21.0 | 26.4 | 33.2 | 41.9 | 47.8 | 59.6 | 75.2 | 87.9 | 113.0 |