Working Plug Gages for Checking Threaded Holes

VERMONT GAGE

1 3/16 16 UN VERMONT THREAD PLUG GAGE 1.1875 GO ONLY P.D. = 1.1469 2B OR 3B - DW31484BY4

VERMONT GAGE

15/16 18 UNS 3B VERMONT THREAD PLUG GAGE .9375 GO NO GO P.D.'S = .9014 & .9060 - DW31481BY4

SHOP MADE 3 1/2 12 THREAD PLUG GAGE 3.5 3.50 3.500 3.5000 3 1/2"-12 INSPECTION - DW31479BK4

SHOP MADE 2" 8 THREAD PLUG GAGE 2.0 2.00 2.000 2.0000 2"-8 INSPECTION CHECK - DW31478BK4

NEW 5/16 18 UNC 2B SPECIAL THREAD PLUG GAGE .3125 GO NO GO PD'S = .2804 & .2857 - DW31476BY4

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