Working Plug Gages for Checking Threaded Holes

1/2 13 UNC 1B THREAD PLUG GAGE .5 .50 .500 .5000 GO NO GO P.D.'S = .4500 & .4597 - DW31475BY4

DUNDICK

3/8 16 UNC 2B SPECIAL THREAD PLUG GAGE .375 GO NO GO P.D.'S = .3370 & .3415 - DW31472BY4

1 7/16 16 UN 2B SPECIAL THREAD PLUG GAGE 1.4375 GO NO GO PD'S = 1.4000 & 1.4037 - DW31469BY4

1/2 28 UNEF 2B SPECIAL THREAD PLUG GAGE .5 .50 .500 NO GO ONLY P.D. = .4826 - DW31468BY4

NEW 15/16 18 UNS 3B SPECIAL THREAD PLUG GAGE .9375 GO NO GO PD'S = .9014 & .9050 - DW31467BY4

VERMONT GAGE

M3.5 X .6 6H VERMONT THREAD PLUG GAGE 3.5 0.6 GO NO GO P.D.'S = 3.110 & 3.222 - DW31466BY4

VERMONT GAGE

1/2 28 UNS 2B SPECIAL REVERSIBLE VERMONT THREAD PLUG GAGE .5 GO ONLY PD = .4788 - DW31463BY4

VERMONT GAGE

M15 X 1 4H5H REVERSIBLE VERMONT THREAD PLUG GAGE 15 1.0 NO GO ONLY P.D. = 14.450 - DW31462BY4

SHOP MADE 1 5/16 16 THREAD PLUG GAGE 1.3125 1 5/16"-16 INSPECTION CHECK - DW31458BK4

VAN KEUREN

NEW 4 48 UNF 2B TiN COATED THREAD PLUG GAGE #4 .112 GO NO GO PDS= .0985 & .1016 - DW31457GFG

VAN KEUREN

NEW 6 40 UNF 3B TiN COATED THREAD PLUG GAGE #6 .138 GO NO GO PDS= .1218 & .1243 - DW31456GFG

THREAD CHECK

M24 X 2 6H METRIC THREAD PLUG GAGE 24 2.0 GO NO GO P.D.'S = 22.701 & 22.925 - DW31449LVR