Working Plug Gages for Checking Threaded Holes

PIPE MACHINERY

6 3/8 12 UNJS 3B BEFORE PLATE THREAD PLUG GAGE 6.375 GO NO GO = 6.3215 & 6.3280 - DW28075RD

G.A. CO.

2 1/2 12 N 3 THREAD PLUG GAGE 2.5 2.50 2.500 GO ONLY P.D. = 2.4459 UN-2B OR 3B - DW28058RD

VERMONT GAGE

1.438 8 UNS 2B VERMONT THREAD PLUG GAGE 1.4380 GO NO GO P.D.'S = 1.3568 & 1.3659 - DW28071RD

PENNOYER DODGE

1/2 13 NC 5B THREAD PLUG GAGE .5 .50 .500 GO NO GO P.D.'S = .4500 & .4519 UNC-5B - DW28070RD

SINGER

3/32 100 SS 2 THREAD PLUG GAGE .09375 GO NO GO P.D.'S = .0887 & .0907 CHECK - DW28067RD

SHOP MADE 15/16 12 LEFT HAND THREAD PLUG GAGE .9375 L.H. NO GO ONLY INSPECTION - DW28066RD

PENNOYER DODGE

5/16 24 UNS 5B THREAD PLUG GAGE .3125 GO NO GO P.D.'S = .2854 & .2866 INSPECTION - DW28056RD

6 1/16 5 STUB ACME 2G M1 THREAD PLUG GAGE 6.0625 5.0 GO ONLY P.D. = 5.9875 - DW28049RD

PENNOYER DODGE

7" 16 UNS THREAD PLUG GAGE 7.0 7.00 7.000 7.0000 NO GO ONLY P.D. = 6.9665 CHECK - DW28048RD

PONAM

6" 8 UNS 2B SPECIAL THREAD PLUG GAGE 6.0 6.00 6.000 NO GO ONLY P.D. = 5.9293 - DW28047RD

5 1/2 6 NS LEFT HAND THREAD PLUG GAGE 5.5 .50 GO ONLY P.D. = 5.3918 L.H. 2B / 3B - DW28043RD

5 1/4 8 NS 3 THREAD PLUG GAGE 5.25 5.250 GO NO GO P.D.'S = 5.1688 & 5.1771 CHECK - DW28042RD