 |
| |||
| English standard thread; Lloyd & Lloyd thread; Whitworth's thread | |||
| British standard Whitworth thread | |||
| English thread; inch thread; Whitworth thread; BSW (British Standard Whitworth thread Yuriy83) | |||
| резьба Витворта: 9 phrases in 6 subjects |
| Automated equipment | 1 |
| Automobiles | 1 |
| Mechanic engineering | 3 |
| Military | 1 |
| Rail transport | 1 |
| Technology | 2 |