Working Plug Gages for Checking Threaded Holes

PRATT & WHITNEY

1 1/8 20 NS THREAD PLUG GAGE 1.125 1.1250 GO ONLY P.D. = 1.0925 UN 2B OR 3B - DW27593RD

LINCOLN GAGE

1 1/4 16 NF 3 THREAD PLUG GAGE 1.25 GO NO GO P.D.'S = 1.2094 & 1.2132 UNF-3 - DW27603RD

THREDCO

1 7/8 8 N 3 THREAD PLUG GAGE 1.875 1.8750 GO NO GO P.D.'S = 1.7943 & 1.8008 - DW27592RD

PRATT & WHITNEY

6 5/16 12 UNS 2B THREAD PLUG GAGE 6.3125 GO NO GO P.D.'S = 6.2584 & 6.2674 CHECK - DW27590RD

LEADER CORP

4 15/16 12 UN 2B THREAD PLUG GAGE 4.9375 GO NO GO P.D.'S = 4.8834 & 4.8921 CHECK - DW27589RD

MASTER GAGE

3/4 20 UNEF 3B THREAD PLUG GAGE .75 .750 .7500 NO GO ONLY P.D. = .7218 CHECK - DW27586RD

DURA

1/2 13 UNC 1B LEFT HAND THREAD PLUG GAGE .5 GO ONLY P.D. = .4500 2B OR 3B L.H. - DW27525RD

WEDIN

3/4 16 UNF 1B THREAD PLUG GAGE .75 .750 .7500 GO ONLY P.D. = .7094 2B OR 3B - DW27524RD

DURA

.410 36 UNS 2B THREAD PLUG GAGE .41 .4100 GO NO GO P.D.'S = .3920 & .3962 CHECK - DW27533RD

GTD

.942 32 UNS 3B THREAD PLUG GAGE .9420 GO NO GO P.D.'S = .9217 & .9254 CHECK - DW27532RD

3/4 32 NS THREAD PLUG GAGE .75 .750 .7500 GO ONLY P.D. = .7297 UN-2B OR 3B CHECK - DW27538RD

11/16 24 NEF 2B THREAD PLUG GAGE .6875 NO GO ONLY P.D. = .6656 UNEF-2B CHECK - DW27530RD