Working Plug Gages for Checking Threaded Holes

SCHRILLO

9/16 18 UNS 3B BEFORE PLATE THREAD PLUG GAGE .5625 GO ONLY P.D. = .5304 3B OR 2B - DW31386LVR

HANSON WHITNEY

5/8 24 NEF 2B THREAD PLUG GAGE .625 .6250 NO GO ONLY P.D. = .6031 UNEF-2B CHECK - DW31383LVR

NEW CERTIFIED 5/8 16 UN 2B THREAD PLUG GAGE .625 GO NO GO PD'S = .5844 & .5906 - DW31382TLC

PENNOYER DODGE

3 1/2 12 N 3 THREAD PLUG GAGE 3.5 3.50 3.500 NO GO ONLY P.D. = 3.4512 UN-3 CHECK - DW31377LVR

OSBORN

3/8 24 UNJF 3B THREAD PLUG GAGE .375 .3750 GO NO GO P.D.'S = .3479 & .3516 CHECK - DW31375LVR

3/8 24 UNJF 3B THREAD PLUG GAGE .375 .3750 GO NO GO P.D.'S = .3479 & .3516 CHECK - DW31374LVR

VERMONT GAGE

9/16 24 UNS 3B LEFT HAND VERMONT THREAD PLUG GAGE .5625 GO NO GO = .5374 & .5393 - DW31372BY4

1 1/2 20 UN 2B THREAD PLUG GAGE 1.5 1.50 1.500 GO ONLY P.D. = 1.4675 2B OR 3B - DW31370OB4

VERMONT GAGE

13/16 16 UN 3B SPECIAL VERMONT THREAD PLUG GAGE .8125 GO NO GO = .7739 & .7776 - DW31353BY4

DUNDICK

1/2 13 UNC 2B SPECIAL THREAD PLUG GAGE .5 .50 GO NO GO P.D.'S = .4535 & .4580 - DW31347BY4

1 1/4 18 UNEF 3B THREAD PLUG GAGE 1.25 1.250 GO NO GO P.D.'S = 1.2139 & 1.2186 - DW31341BY4

VERMONT GAGE

13/16 16 UN 3B SPECIAL VERMONT THREAD PLUG GAGE .8125 GO NO GO = .7739 & .7776 - DW31340BY4