G. WHALLEY

G. WHALLEY

1/4 20 UN 2B MODIFIED THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2225 & .2273 TOOL

G. WHALLEY

3/8 24 UNS 2A SPECIAL THREAD RING GAGES .375 GO NO GO P.D.'S = .3430 & .3400

G. WHALLEY

5/8 20 UN 3A THREAD RING GAGE .625 GO ONLY P.D. = .5925 INSPECTION 5/8-20

G. WHALLEY

11/16 20 NS 2 CERTIFIED THREAD PLUG GAGE .6875 GO ONLY P.D. = .6550 INSPECTION

G. WHALLEY

3/4 20 NEF 2 CERTIFIED SET THREAD PLUG GAGE .750 GO ONLY P.D. = .7175 INSPECTION

G. WHALLEY

3/4 20 NEF 3 CERTIFIED SET THREAD PLUG GAGE .750 GO ONLY P.D. = .7175 INSPECTION

G. WHALLEY

13/16 18 NF 2 CERTIFIED THREAD PLUG GAGE .8125 GO NO GO P.D.'S = .7764 & .7813

G. WHALLEY

7/8 20 NEF 2 CERTIFIED SET THREAD PLUG GAGE .875 GO ONLY P.D. = .8425 INSPECTION

G. WHALLEY

1 1/8 12 NF 3 CERTIFIED SET THREAD PLUG GAGE 1.125 GO ONLY P.D. = 1.0709 TOOLS

G. WHALLEY

1 3/16 18 NEF 2 CERTIFIED SET THREAD PLUG GAGE 1.1875 GO ONLY P.D. = 1.1514

G. WHALLEY

1 5/8 12 N 3 SET THREAD PLUG GAGE 1.6250 GO ONLY P.D. = 1.5709 INSPECTION TOOL

G. WHALLEY

1 11/16 18 NEF 3 CERTIFIED THREAD PLUG GAGE 1.6875 GO ONLY P.D. = 1.6514 TOOLS