This Class ZZ pin gage is designed for precision Go inspection, checking micrometers, verniers, and other measurement devices. Constructed from durable tool steel with a hardness of 60/65 Rc, this gage features a 17.77 mm diameter and is built to comply with ASME B89.1 standards.
- Reversible style for extended service life
- Surface finish of 10 microinch or better
- Plus tolerance direction for Go applications
- Includes a certificate of accuracy with NIST traceability
- Marked with size and direction of tolerance
- Roundness within 0.0001 in. (0.0025 mm)
- Tolerance of 0.00508 mm