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This Class ZZ plug gage is designed for precise measurement applications, including Go/No Go gaging and the inspection of hole sizes. Manufactured from 52100 tool steel and treated to a hardness of 60 to 62 Rc, this gage provides durability and long-lasting accuracy. Each unit features a black oxide finish and is centerless lapped to a surface finish of 10 microinch or better.
NIST traceable with included certificate of accuracy
Measures hole sizes and calculates distances between holes and slot widths
Features plus tolerance of 0.0002 in.
Diameter size is electro etched on each piece
Suitable for setting micrometers, verniers, and other measuring devices
Constructed to ASME B89.1 standards
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