Vermont Gage's Work Plugs, Ring and Set Plug Gages inspect the
pitch diameter and the functional thread for both internal and
external tjreaded products. All stocked gages are made to Class X
tolerances per ANSI B1.2(unified Inch screw threads). All Thread
gages are supplied with a Certificate of Accuracy. Certificate of
Calibration is available for additional charge. Work plugs are
stocked in 2B and 3B classes of fit. Thread Ring gages and setting
plugs are stocked in 2A or 3A classes of fit. All stocked work
plugs are chrome plated. All gages are marked with nominal size,
threads per inch, class of fit, and pitch diameters.
