Working Plug Gages for Checking Threaded Holes

PENNOYER DODGE

7" 16 UNS SPL SPECIAL THREAD PLUG GAGE 7.0 7.00 7.000 NO GO ONLY P.D. = 6.9665 - DW27980RD

SHOP MADE 4 3/8 16 THREAD PLUG GAGE 4.375 4.3750 GO AND NO GO - DW27977RD

DOALL

3" 12 NS THREAD PLUG GAGE 3.0 3.00 3.000 3.0000 NO GO ONLY P.D. = 2.9480 CHECK - DW27975RD

HANSON WHITNEY

BUDGET 1 15/16 16 N 3B THREAD PLUG GAGE 1.9375 GO NO GO PD'S = 1.8969 & 1.9021 - DW27961RD

4 1/4 12 N 2 THREAD PLUG GAGE 4.25 4.250 4.2500 NO GO ONLY P.D. = 4.2039 CHECK - DW27950RD

PD

6 1/2 16 NS 3 THREAD PLUG GAGE 6.5 6.50 6.500 GO NO GO P.D.'S = 6.4594 & 6.4655 - DW27960RD

S.C.C.

2 11/16 18 NS 2 THREAD PLUG GAGE 2.6875 GO NO GO P.D.'S = 2.6514 & 2.6547 CHECK - DW27949RD

4 1/2 8 THREAD PLUG GAGE 4.5 4.50 4.500 4.5000 4 1/2"-8 GO ONLY INSPECTION 2B 3B - DW27958RD

4 5/8 8 PROGRESSIVE THREAD PLUG GAGE 4.625 4.6250 GO AND NO GO INSPECTION CHECK - DW27957RD

GTD

4 5/8 32 NS THREAD PLUG GAGE 4.625 4.6250 GO ONLY P.D. = 4.6047 INSPECTION CHECK - DW27953RD

WOODWORTH

4 7/8 16 NS 3 THREAD PLUG GAGE 4.875 4.8750 GO ONLY P.D. = 4.8349 INSPECTION - DW27954RD

BUDGET 4" 12 NS 3 THREAD PLUG GAGE 4.0 4.00 4.000 NO GO ONLY P.D. = 3.9518 CHECK - DW27952RD