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This Class ZZ Plus pin gage is designed for precision inspection and calibration tasks. Engineered for reliability, it provides an accurate reference for checking hole diameters, setting micrometers, and verifying various measuring devices. This gage is constructed from high-quality 52100 tool steel for durability and is centerless lapped to ensure high precision performance.
Diameter: 0.2775 in.
Overall length: 2.0000 in.
Tolerance: -0.0000 in. / +0.0002 in.
Hardness: 60 to 62 Rc
Finish: 10 micro finish or better with black oxide coating
Meets ASME B89.1 standards
Includes certificate of accuracy with NIST traceability
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