Thread Ring Gages

VERMONT GAGE

1 1/8 18 UNEF 3A VERMONT THREAD RING GAGE 1.125 GO ONLY P.D. = 1.0889 1.125-18

GTD

2 1/8 8 N 3 THREAD RING GAGE 2.125 NO GO ONLY P.D. = 2.0363 2.125-8 N-3 QUALITY

GTD

1 1/16 14 NS 3 THREAD RING GAGE 1.0625 NO GO ONLY P.D. = 1.0121 1.0625-14 NS-3

GTD

1 1/2 12 NF 3 THREAD RING GAGE 1.5 NO GO ONLY P.D. = 1.4419 1.50-12 NF-3 QUALITY

GAGE ASSEMBLY CO.

2 1/8 5 UNS 2A THREAD RING GAGES 2.125 5.0 GO NO GO P.D.'S = 1.9924 1.9843 UN-2A

SWG

2 1/8 12 STUB ACME THREAD RING GAGES 2.125 GO NO GO P.D.'S = 2.0887 & 2.0710

P.D. CO.

1 1/8 18 NEF 2 THREAD RING GAGE 1.125 NO GO ONLY P.D. = 1.0837 1 1/8-18 NEF-2

HEMCO

4" 12 UN 3A THREAD RING GAGE 4.0 GO ONLY P.D. = 3.9459 4"-12 N-3A INSPECTION

METRO

9/16 12 NC 3A THREAD RING GAGES .5625 GO NO GO P.D.'S = .5084 & .5045 UNC-3A

1/4 32 NEF THREAD RING GAGE .25 GO ONLY P.D. = .2297 1/4-32 .250 .2500 QUALITY

DOALL

1/4 28 NF 2 MOD THREAD RING GAGE .25 GO ONLY P.D. = .2238 1/4-28 NF-2 .250 .2500

SHOP MADE 7/8 32 THREAD RING GAGE .875 7/8-32 .8750 QUALITY INSPECTION