Inch

WESTERN SCREW

3 1/16 12 NF 2A LEFT HAND THREAD RING GAGE 3.0625 GO ONLY P.D. = 3.0065 L.H. L/H

G.A. CO.

12 32 UNEF 2A THREAD RING GAGES #12 .216 GO NO GO P.D.'S = .1948 & .1917 12-32

G.A. CO.

15/16 20 UNEF 2A SPECIAL THREAD RING GAGES .9375 GO NO GO P.D.'S = .9010 & .8980

GTD

1 3/16 18 NS 3 THREAD RING GAGES 1.1875 GO NO GO P.D.'S = 1.1514 & 1.1474 NS-3

FLAN-CO

3/8 24 UNF 2A PREPLATE THREAD RING GAGES .375 GO NO GO PD'S = .3431 & .3415 B/P

FLAN-CO

3/8 16 UNC 2A PREPLATE THREAD RING GAGES .375 GO NO GO PD'S = .3323 & .3283 B/P

M & J Tooling LLC

3/8 18 SS THREAD RING GAGE .375 GO ONLY P.D. = .3347 QUALITY INSPECTION TOOLS

M & J Tooling LLC

14 20 NS 3 THREAD RING GAGE #14 NO GO ONLY P.D. = .2067 QUALITY INSPECTION TOOLS

ALAMEDA

8 32 UNC 2A LEFT HAND THREAD RING GAGE #8 .164 GO ONLY P.D. = .1428 LH L.H.

G.A. CO.

1/4 24 UNS 2A LEFT HAND DBL LEAD SPL THREAD RING GAGES .25 GO NO GO .2224 .2195

VERMONT GAGE

1/2 24 UNS 2A LEFT HAND THREAD RING GAGES .5 GO NO GO P.D.'S = .4717 & .4678 LH

G.A. CO.

1/4 64 UNS 2A LEFT HAND THREAD RING GAGES .25 GO NO GO P.D.'S = .2392 & .2368 LH