SPI
10-718-5 Setting Ring .350"
Master Setting Ring
For comparative gaging, calibration and the setting of internal measuring tools.
Specifications include...
- 0.350" Size
- + 0.00005" Accuracy
- 0.000015" Taper / Ovality
Features include...
- Made from oil hardened non-shrinking steel
- Hardened and tempered to 62 RC
- Actual dimensions duly etched
- Cryogenic treatment for long-term dimensional stability
- Calibrated at 20º C under standards room conditions
