| Code | Description |
| 631701~631736 | Round Dies, Metric Coarse Thread, M1.0~M42 |
| 631801~631883 | Round Dies, Metric Fine Thread, M1.0~M42 |
| 631931~631946 | Round Dies, Whitworth Thread, 1/16″~1″ |
| Code | Description |
| 631701~631736 | Round Dies, Metric Coarse Thread, M1.0~M42 |
| 631801~631883 | Round Dies, Metric Fine Thread, M1.0~M42 |
| 631931~631946 | Round Dies, Whitworth Thread, 1/16″~1″ |