The disc micrometer hardened steel has 3 to 4” with a 20 mm disk and measures the root tangent length of the spur and helical gears and other hard-to-reach features.
The disc micrometer hardened steel has 3 to 4” with a 20 mm disk and measures the root tangent length of the spur and helical gears and other hard-to-reach features.
| Range | 3 to 4" |
| Accuracy | ±0.0003" |
| Flatness | 0.00004" |
| Parallelism | 0.0003" |
| Mass | 250 g |
| Digital/Analog | Analog |
| Graduation | 0.001" |
| Scale | Thimble and sleeve satin chrome finish, ø18 mm |
| Measuring Spindle | With spindle lock, ø6.35 mm, spindle pitch 0.635 mm |