Categories: Default Category, Surface Finish
| Manufacturer | Mitutoyo |
|---|---|
| Measuring units | Metric |
| Country of Manufacture | Japan |
The Mitutoyo 178-605 is a Mitutoyo precision roughness reference specimen for checking and calibrating surface roughness testers such as the Surftest SJ series. The calibrated values are marked on each specimen.
- Nominal roughness: Ra approx. 1 µm, Ry approx. 3.4 µm
Made in Japan by Mitutoyo.











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