This Class ZZ steel pin gage is designed for high-precision NoGo inspection and accurate measurement of small holes, slots, and locations. Engineered from 52100 tool steel, this pin offers high durability and reliability for critical machining and quality control applications. It is centerless lapped with carefully ground ends and smooth edges to ensure superior measurement accuracy and long service life. Each gage is NIST traceable and comes with a certificate of accuracy.
- Manufactured from 52100 tool steel, heat-treated to 60 to 62 RC
- Centerless lapped with 10 microinch finish for precise measurement
- Class ZZ tolerance for consistent inspection results
- Includes certificate of accuracy with NIST traceability
- Suitable for setting calipers, snap gages, and micrometers
- Designed for NoGo inspection of drilled or machined holes