Working Plug Gages for Checking Threaded Holes

2.362 16 NS 3 LEFT HAND THREAD PLUG GAGE GO NO GO P.D.'S = 2.3214 & 2.3258 L.H. - DW26438RD

INGRAM

2" 6 BUTT LEFT HAND MOD BUTTRESS THREAD PLUG GAGE 2.0 GO NO GO = 1.9160 & 1.9220 - DW26437RD

G. WHALLEY

1/4 20 UNC 3B STI HELICOIL THREAD PLUG GAGE .25 .250 NO GO ONLY P.D. = .2851 - DW26435RD

PENNOYER DODGE

.7812 32 NS 2B THREAD PLUG GAGE GO ONLY P.D. = .7609 UNS-2B OR 3B 25/32 CHECK - DW26431RD

SHOP MADE 5/8 27 2B THREAD PLUG GAGE .625 .6250 5/8"-27 INSPECTION CHECK - DW26432RD

5/16 40 NS THREAD PLUG GAGE .3125 GO ONLY P.D. = .2963 5/16"-40 UNS 2B OR 3B - DW26429RD

3/8 24 HC 3 STI HELICOIL THREAD PLUG GAGE .375 GO NO GO P.D.'S = .4020 & .4034 - DW26427RD

BENDIX BESLY

9/16 8 NS MODIFIED THREAD PLUG GAGE .5625 GO NO GO P.D.'S = .5072 & .5128 CHECK - DW26426RD

SWANSON

M22 X 1.5 6H METRIC MODIFIED THREAD PLUG GAGE 22 NO GO ONLY P.D. = 21.216 CHECK - DW26415RD

SPI

CERTIFIED 7/16 20 UNF 3B THREAD PLUG GAGE .4375 GO NO GO P.D.'S = .4050 & .4091 - DW26416TLC

CERTIFIED 7/16 28 NEF 2B THREAD PLUG GAGE .4375 GO NO GO PD'S = .4143 & .4189 - DW26417TLC

J & L

CERTIFIED 7/16 28 UNEF 3B THREAD PLUG GAGE .4375 GO NO GO PD'S = .4143 & .4178 - DW26418TLC