Working Plug Gages for Checking Threaded Holes

15/16 18 NS 2B THREAD PLUG GAGE .9375 GO NO GO P.D.'S = .9014 & .9076 UNS-2B - DW27662RD

SHOP MADE 2.548 18 N13 LOCKNUT THREAD PLUG GAGE 2.5480 2.548"-18 GO ONLY CHECK - DW27670LVR

SHOP MADE 1.967 18 N10 LOCKNUT THREAD PLUG GAGE 1.9670 1.967"-18 GO ONLY CHECK - DW27671LVR

1/4 32 UNEF 2B TiN COATED GO MEMBER THREAD PLUG GAGE .25 GO NO GO = .2297 .2339 - DW27657RD

PENNOYER DODGE

2 1/4 8 UNJ 3B BEFORE PLATE THREAD PLUG GAGE 2.25 2.250 NO GO ONLY P.D. = 2.1778 - DW27661RD

7/16 24 NS 2 THREAD PLUG GAGE .4375 GO NO GO P.D.'S = .4104 & .4140 INSPECTION - DW27654RD

REGAL PREMIUM

M20 X 2.5 6H METRIC THREAD PLUG GAGE 20 GO ONLY P.D. = 18.376 INSPECTION CHECK - DW27653RD

G. WHALLEY

10 32 UNF 3B STI HELICOIL THREAD PLUG GAGE #10 .190 NO GO ONLY P.D. = .2123 - DW27647RD

WESTPORT

9/16 8 NS 2B MOD LEFT HAND THREAD PLUG GAGE .5625 GO NO GO PD'S = .5072 & .5128 - DW27639RD

MERCURY GAGE

1/2 12 UNS 2B LEFT HAND DOUBLE LEAD THREAD PLUG GAGE .5 GO NO GO = .4459 & .4529 - DW27638RD

MERCURY GAGE

1/2 12 UN 2B LEFT HAND DOUBLE LEAD THREAD PLUG GAGE .5 GO NO GO = .4459 & .4529 - DW27637RD

DAVIS

1 1/4 16 NEF 3 THREAD PLUG GAGE 1.25 1.250 GO ONLY P.D. = 1.2094 UNEF-3 2B OR 3B - DW27645RD