Working Plug Gages for Checking Threaded Holes

GSG

7 5/8 12 UNS 2B THREAD PLUG GAGE 7.625 GO NO GO P.D.'S = 7.5709 & 7.5803 NS-2B - DW4599RD

HEMCO

5" 12 UN 2B MOD MODIFIED THREAD PLUG GAGE 5.0 GO NO GO P.D.'S = 4.9509 & 4.9636 - DW4538RD

SOUTHWESTERN GAGE CO.

6 5/8 4 NA 2G ACME LEFT HAND THREAD PLUG GAGE 6.625 4.0 GO NO GO = 6.5000 6.5304 - DW4320RD

SOUTHWESTERN GAGE CO.

6 1/4 12 UN 2B LEFT HAND THREAD PLUG GAGE 6.25 GO NO GO P.D.'S = 6.1959 & 6.2049 - DW4260RD

SOUTHWESTERN GAGE CO.

6 5/8 12 UN 2B LEFT HAND THREAD PLUG GAGE 6.625 GO NO GO PD'S = 6.5709 & 6.5799 - DW4259RD

LINCOLN GAGE

5.775 16 N BUTT-3 BUTTRESS THREAD PLUG GAGE GO NO GO P.D.'S = 5.7375 & 5.7427 - DW4253RD

SOUTHWESTERN GAGE CO.

6 13/16 8 UN 3B THREAD PLUG GAGE 6.8125 GO NO GO P.D.'S = 6.7313 & 6.7418 N-3B - DW4258RD

PRECON

5 1/4 12 UN 3B BEFORE PLATE THREAD PLUG GAGE 5.25 GO NO GO PDS= 5.2059 & 5.2085 - DW3687RD

PONAM

5.312 12 UN 3B THREAD PLUG GAGE 5 5/16 5.3125 GO NO GO P.D.'S = 5.2584 & 5.2650 - DW3404RD

HEMCO

3 3/4 8 NA 2G THREAD PLUG GAGE 3.75 GO NO GO P.D.'S= 3.6875 3.7097 NATIONAL ACME

GAGE ASSEMBLY CO.

4 15/16 8 UNS 2B LEFT HAND THREAD PLUG GAGE 4.9375 GO NO GO = 4.8563 & 4.8666 LH

GAGE ASSEMBLY CO.

3 1/2 2.5 NA 2G ACME THREAD PLUG GAGE 3.5 2 1/2 GO NO GO PD'S = 3.3000 & 3.3302