| 1. | Technical specification for whitworth threads taps 惠氏螺纹丝锥.技术条件 |
| 2. | Thread rolling cylindrical dies for whitworth threads 惠氏螺纹滚丝轮 |
| 3. | Manufacturing tolerances on the threaded portion for whitworth threads taps 惠氏螺纹丝锥.螺纹公差 |
| 4. | Thread rolling flat dies for whitworth threads 惠氏螺纹搓丝板 |
| 5. | Circular screwing dies for whitworth threads 惠氏螺纹圆板牙 |
| 6. | British standard whitworth thread b . s . w 英制惠氏标准螺纹 |
| 7. | Nut taps for whitworth threads 惠氏螺纹螺母丝锥 |
| 8. | Taps for whitworth threads 惠氏螺纹丝锥 |