Working Plug Gages for Checking Threaded Holes

HILCO

3/8 64 UNS 2B THREAD PLUG GAGE .375 .3750 GO NO GO P.D.'S = .3648 & .3682 CHECK - DW28878BC4

HILCO

1/4 36 UNS 2B THREAD PLUG GAGE .25 .250 .2500 GO NO GO P.D.'S = .2320 & .2360 - DW28876BC4

GSG

2 56 UNC SPECIAL THREAD PLUG GAGE #2 .086 .0860 GO NO GO P.D.'S = .0754 & .0774 - DW28875BC4

HILCO

9/32 40 UNS 2B THREAD PLUG GAGE .2812 GO NO GO P.D.'S = .2650 & .2690 CHECK - DW28873BC4

ALAMEDA

M6 X 1 5H STI HELICOIL THREAD PLUG GAGE 6 1.0 GO NO GO P.D.'S = 6.650 & 6.742 - DW28872BC4

PENNOYER DODGE

4 3/4 12 UN 2B THREAD PLUG GAGE 4.75 4.750 GO NO GO P.D.'S = 4.6959 & 4.7046 - DW28851AZ4

GTD

5/8 11 USS THREAD PLUG GAGE .625 NO GO ONLY PD = .56981 GO AND NO GO INSPECTION - DW28831BD4

BATH

5/8 14 NS 2 THREAD PLUG GAGE .625 .6250 GO NO GO P.D.'S = .5786 & .5835 CHECK - DW28830BD4

GTD

1/4 30 NS 2 THREAD PLUG GAGE .25 .250 .2500 GO NO GO P.D.'S = .2283 & .2314 - DW28828BD4

1.938 6 MOD SQUARE THREAD PLUG GAGE 1.9380 1.938"-6 GO ONLY 1 15/16 SQR - DW28826BC4

2.032 8 MOD SQUARE THREAD PLUG GAGE 2.0320 2.032"-8 GO ONLY 2 1/32 SQR - DW28825BC4

1 1/4 8 MODIFIED SQUARE 1.25"-8 GO ONLY INSPECTION SQR THREAD PLUG GAGE 1.25 - DW28824BC4