Working Plug Gages for Checking Threaded Holes

1/4 20 UNC 2B STI HELICOIL THREAD PLUG GAGE .25 GO NO GO PD'S = .2825 & .2864

WESTERN

8 32 UNJC 3B THREAD PLUG GAGE #8 .164 GO NO GO P.D.'S = .1437 & .1465 UNC-3B

MASTER GAGE

M4 X .7 SPL METRIC THREAD PLUG GAGE 4.0 0.7 GO ONLY P.D. = 4.485 mm

REGAL

8 36 UNF 3B STI HELICOIL THREAD PLUG GAGE #8 .164 GO NO GO PD'S = .1821 & .1840

WIDELL

.355 28 UNS 2B THREAD PLUG GAGE .355 .3550 GO NO GO P.D.'S = .3318 & .3364 NS-2B

1/4 64 UNS 3B THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2399 & .2423 NS-3B TOOL

7/16 24 UNS 2B LEFT HAND THREAD PLUG GAGE .4375 GO NO GO P.D.'S = .4104 & .4153

HEMCO

7/16 28 NEF 3 LEFT HAND THREAD PLUG GAGE .4375 GO NO GO PD'S = .4143 & .4168 LH

HANSON WHITNEY

5/8 20 UN 3B THREAD PLUG GAGE .625 GO NO GO P.D.'S = .5925 & .5967 N-3B TOOL

WAFCO

1 5/16 16 UN 3B SPL SPECIAL THREAD PLUG GAGE 1.3125 GO NO GO P.D.'S = 1.2719 & 1.2759

GAGE ASSEMBLY CO.

BUDGET 1" 20 NS 3 THREAD PLUG GAGE 1.0 1.00 GO NO GO P.D.'S = .96753 & .97013

13/16 16 UNS 2B SPECIAL THREAD PLUG GAGE .8125 NO GO ONLY P.D. = .7771 NS-2B

PENNOYER-DODGE