- 帶有凸緣的測微螺桿和測砧，可用來測量凹槽內孔和管材內凹槽深度和位置關係。
- 雙向棘輪鎖緊裝置
- 測量內徑和外徑時(0-25mm除外)，需要用標準規設置原點。
規格:
| Metric | |||||
| Order No. | Range Inside (mm) | Range Outside (mm) | Graduation (mm) | Accuracy (µm) | Flange (mm) |
| Rotating spindle | |||||
| 146-121 | 1.6 – 26.5 | 0 – 25 | 0.01 | ±10 | ø6.35 |
| 146-122 | ø12.7 | ||||
| 146-123 | 26.5 – 51.5 | 25 – 50 | |||
| 146-124 | 51.5 – 76.5 | 50 – 75 | |||
| 146-125 | 76.5 – 101.5 | 75 – 100 | |||
| Metric | |||||
| Order No. | Range Inside (mm) | Range Outside (mm) | Graduation (mm) | Accuracy (µm) | Flange (mm) |
| Non-rotating spindle | |||||
| 146-221 | 1.6 – 26.5 | 0 – 25 | 0.01 | ±10 | ø6.35 |
| 146-222 | ø12.7 | ||||
| 146-223 | 26.5 – 51.5 | 25 – 50 | |||
| 146-224 | 51.5 – 76.5 | 50 – 75 | |||
| 146-225 | 76.5 – 101.5 | 75 – 100 | |||
| Inch | |||||
| Order No. | Range Inside (in) | Range Outside (in) | Graduation (in) | Accuracy (in) | Flange (in) |
| Rotating spindle | |||||
| 146-131 | 0.055 – 1.05 | 0 – 1 | 0.001 | ±0.0004 | ø0.25 |
| 146-132 | ø0.5 | ||||
| 146-133 | 1.05 – 2.05 | 1 – 2 | |||
| 146-134 | 2.05 – 3.05 | 2 – 3 | |||
| 146-135 | 3.05 – 4.05 | 3 – 4 | |||
| Inch | |||||
| Order No. | Range Inside (in) | Range Outside (in) | Graduation (in) | Accuracy (in) | Flange (in) |
| Non-rotating spindle | |||||
| 146-231 | 0.055 – 1.05 | 0 – 1 | 0.001 | ±0.0004 | ø0.25 |
| 146-232 | ø0.5 | ||||
| 146-233 | 1.05 – 2.05 | 1 – 2 | |||
| 146-234 | 2.05 – 3.05 | 2 – 3 | |||
| 146-235 | 3.05 – 4.05 | 3 – 4 | |||
