Sizes and Class

All of our plain gages are available in inch and metric sizes. We specialize in large plain plug gages up to 16.25" diameter (412.75mm) and plain ring gages up to 12" in diameter (304.4mm). All of our plain gages are available in class X, Y, or Z.


Handles

Our GO and NOGO plug gages are available in four styles; reversible, taperlock, trilock, and ball handle. Generally, reversible handles are for gages up to 0.5", taperlock are for gages up to 1.5", trilock are for gages from 1.5" to 8", and ball handle for the largest gages.


Identification

As per the standards, the GO plug gages are longer than the NOGO plugs and the NOGO rings have a groove around the outside while GO rings do not.