Working Plug Gages for Checking Threaded Holes

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

HELI-COIL

9/16 12 UNC 3B STI HELICOIL THREAD PLUG GAGE .5625 GO NO GO PD'S = .6167 & .6208 - DW28021RD

PRATT & WHITNEY

2 56 UNC 3B THREAD PLUG GAGE #2 .086 GO ONLY P.D. = .0744 3B OR 2B INSPECTION - DW28005RD

SHOP MADE 15/16 12 LEFT HAND THREAD PLUG GAGE .9375 L.H. 15/16"-12 INSPECTION - DW28016RD