- Amvils and spindle tips are interchangeable in matching pairs to enable measurement of Metric/Unified or Whitworth threads.
- Direct reading of screw pitch diameter (no need for calculation).
Specifications:
| Metric | |||
| Order No | Range | Accuracy | Mass |
| 326-251-30 | 0-25mm | ±4µm | 350g |
| 326-252-30 | 25-50mm | ±4µm | 380g |
| 326-253-30 | 50-75mm | ±4µm | 470g |
| 326-254-30 | 75-100mm | ±5µm | 510g |
| Inch/Metric | |||
| Order No | Range | Accuracy | Mass |
| 326-351-30 | 0-1in 0-25mm | ±.0002in | 350g |
| 326-352-30 | 1-2in 25-50mm | ±.0002in | 380g |
| 326-353-30 | 2-3in 50-75mm | ±.0002in | 470g |
| 326-354-30 | 3-4in 75-100mm | ±.00025in | 510g |
