Working Plug Gages for Checking Threaded Holes

STERLING GAGE

1.230 16 STUB ACME 2G THREAD PLUG GAGE 1.23 GO NO GO P.D.'S = 1.2113 & 1.2255 - DW27862RD

PERFEX

1 1/4 7 NC 3 THREAD PLUG GAGE 1.25 1.250 GO NO GO P.D.'S = 1.1572 & 1.1631 UNC-3 - DW27864RD

PRATT & WHITNEY

1 1/16 18 NEF THREAD PLUG GAGE 1.0625 GO ONLY P.D. = 1.0264 UNEF 2B OR 3B CHECK - DW27852RD

1/2 28 NEF 2 THREAD PLUG GAGE .5 .50 .500 .5000 NO GO ONLY P.D. = .4805 UNEF-2 - DW27841RD

7/16 28 UNEF 3B THREAD PLUG GAGE .4375 NO GO ONLY P.D. = .4178 INSPECTION CHECK - DW27840RD

7/16 28 UNEF 2B THREAD PLUG GAGE .4375 NO GO ONLY P.D. = .4189 INSPECTION CHECK - DW27838RD

SHEFFIELD

3/8 60 THREAD PLUG GAGE .375 .3750 GO NO GO P.D.'S = .3642 & .3672 INSPECTION - DW27837RD

SHEFFIELD

12 24 NC THREAD PLUG GAGE #12 .216 .2160 GO ONLY P.D. = .1889 UNC 2B OR 3B CHECK - DW27836RD

HEMCO

7/16 28 UNEF THREAD PLUG GAGE .4375 GO ONLY P.D. = .4143 2B OR 3B INSPECTION - DW27845RD

3/8 32 NEF 3 THREAD PLUG GAGE .375 .3750 NO GO ONLY P.D. = .3571 UNEF-3 CHECK - DW27844RD

1" 20 UNEF 3B THREAD PLUG GAGE 1.0 1.00 1.000 1.0000 NO GO ONLY P.D. = .9719 - DW27832RD

SHEFFIELD

1/2 20 NF 1 THREAD PLUG GAGE .5 .50 .500 GO NO GO P.D.'S = .4675 & .4726 UNF-1 - DW27826RD