These Class ZZ pin gages provide a reliable solution for precision inspections and equipment calibration. Engineered for durability, each pin is crafted from tool steel with a hardness of 60/65 Rc and a 10 microinch finish. These gages are ideal for checking hole sizes, measuring slot widths, calculating hole distances, and verifying locations, as well as for use in Go/NoGo gaging and sizing micrometers or snap gages.
- Individual pin marked with size and direction of tolerance
- NIST traceable with a certificate of accuracy included on the package
- Minus tolerance classification for NoGo inspection applications
- Hardened steel construction for extended wear life
- Roundness within 0.0001 mm