Go/No Go Thread Plug Gage Assemblies ? Go/No Go taperlock Class X thread gage tolerance Tool steel constructionClass 2B plug gage assemblies are used to inspect internally threaded parts, and to verify min./max. pitch dia. limits. Class 2A set plug assemblies are used to verify and set adjustable threaded ring gages. SAE sizes meet ASME B1.2 standards. Metric sizes meet ASME B1.16M standards.

Threaded Plug Gauge Assembly, Dimension Type Inch, Gauge Type Go/No-Go (Plus/Minus), Handle Design Double End, Included Handle Taperlock 000, Thread Class 2B, Thread Size #2-56, Thread Type UNC, Tolerance Class X, Gauge Finish Chrome Plated, Gauge Length - Go Member 1/4 in, Gauge Length - No-Go Member 3/16 in, Gauge Material Tool Steel, Handle Color Blue, Handle Length 1 1/2 in, Hardness RC 70-72, Included Certification Certificate of Accuracy with NIST Traceability