This Class ZZ plug gage is designed for precise measurement applications, including go inspection and the setting of micrometers, verniers, and other measuring devices. Constructed from high-quality 52100 tool steel, this gage is heat-treated to a hardness of 60 to 62 RC for enhanced durability and wear resistance in demanding industrial environments.
- Diameter of 3.94 mm with a plus tolerance of 0.0000 to +0.0002 in.
- Overall length of 2.0000 in.
- Hardened tool steel construction for long-term reliability
- Micro-finish of 10 micro for smooth performance
- Includes a certificate of accuracy with NIST traceability
- Manufactured in accordance with ASME B89.1 standards