1/4 - 28

SINGER

1/4 28 SS 2 THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2281 & .2309 INSPECTION - DW8240BU

VERMONT GAGE

1/4 28 UNF 3B VERMONT THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2268 & .2300 NF-3B - DW7025CG

GSG

1/4 28 UNJF 3B LEFT HAND THREAD PLUG GAGE .25 GO ONLY P.D. = .2268 INSPECTION - DW6740RD

SOUTHERN GAGE CO.

1/4 28 UN 2B LEFT HAND THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2268 & .2311 L.H. - DW5503BU

PENNOYER-DODGE

1/4 28 UNF 5B THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2268 & .2279 NF-5B TOOL

SWANSON

1/4 28 UNJS 3B SPECIAL THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2276 & .2307

BENDIX

1/4 28 STUD THD THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2248 & .2277 INSPECTION

HELI-COIL

1/4 28 HC 3 STI HELICOIL THREAD PLUG GAGE .25 NO GO ONLY P.D. = .2744 1/4-28

HELI COIL

1/4 28 NF 3 STI HELICOIL THREAD PLUG GAGE .25 NO GO ONLY P.D. = .2744 1/4-28

ATG

1/4 28 SPECIAL THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2278 & .2300 SPEC. MOD.

THREAD CHECK

CERTIFIED 1/4 28 UNF 3B THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2268 & .2300

1/4 28 2B LEFT HAND THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2268 & .2311 L.H.