Taperlock Thread Plug Gages

Machine Screw, Fractional & Metric Size Gage members have tapered shanks which fit corresponding handles.
HEMCO Chrome process unconditionally guaranteed against chipping or peeling.
All standard thread plug gages are supplied with Class "X" tolerance on o.d., lead, flank angles and straightness. Other tolerances can be special quoted.
Members size #8 and greater and 32 T.P.I and coarser have their first thread convoluted and also have female centers.
Members smaller than size #8 have chamfered threads and male centers.
Go member sizes .190 or #10 and larger have a chip groove.