Details
- Featuring accurately formed thread profiles
- Designed for checking internal and external thread forms and pitch
- Locknut allows any leaf or leaves to be locked into position for use
| Art. | No of Blades | Thread Type | Range |
|---|---|---|---|
| 1555-M | 24 | Metric 60° Threads | M 0.25 – M 6.0 |
| 1555-W | 28 | Whitworth Std. 55° Threads | 4 – 62 t.p.i. |
| 1555-MW | 52 | Combination Set Metric/Whitworth | M 0.25 – M 6.0 & 4 – 62 t.p.i. |
| 1555-SAE | 30 | American National (Unified) 60° Threads | 4 – 42 t.p.i. |