Vermont Gage's thread gages inspect the pitch
diameter & the functional thread for both internal & external threaded products.
All stocked thread gages are made to class X toelrances per ANSI B1.2(Unified
inch screw threads) and ANSI B1.16M(Metric M series screw threads). All threead
gages are supplied with a Cerificate of Accuracy. Work plugs are stocked in 2B &
3B(inch) or 6H(metric) classes of fit. Stocked work plugs are chrome plated. All
thread gages are marked with nominal size, threads per inch(inch) or
pitch(metric), class of fit and pitch diameters. One line of additional marking
(up to 25 characters) may be included at no additional cost