Inch

S.G.CO.

1" 8 UNC 2A THREAD RING GAGE 1.0 NO GO ONLY P.D. = .9100 QUALITY 1.00-8 TOOLS

BESLY

1/2 10 SPECIAL FORM 60 DOUBLE LEAD THREAD RING GAGES .5 GO NO GO .4470 .4430

VARD

3/4 20 NEF 2 THREAD RING GAGE .75 NO GO ONLY P.D. = .7129 INSPECTION TOOL 3/4-20

1/2 10 LEFT HAND DBL. LEAD SPECIAL 60 THREAD RING GAGES .5 GO NO GO .4470 .4430

VERMONT

1/2 20 UNF 2A VERMONT THREAD RING GAGE .5 GO ONLY P.D. = .4662 1/2-20 QUALITY

EFCO

1 3/8 32 NS THREAD RING GAGES 1.3750 GO NO GO P.D.'S = 1.3536 & 1.3487 TOOL

HEMCO

1" 24 NS 2A THREAD RING GAGE 1.0 NO GO ONLY P.D. = .9674 1.0-24 QUALITY TOOLS

2 7/8 12 N 3A THREAD RING GAGE 2.875 GO ONLY P.D. = 2.8209 QUALITY 2.8750-12

HEMCO

3/4 32 UNS 2A THREAD RING GAGES .75 GO NO GO P.D.'S = .7297 & .7258 TOOL .750-32

HANSON WHITNEY

5 40 UNC 3A THREAD RING GAGE #5 .125 GO ONLY P.D. = .1088 QUALITY #5-40 .1250

THREAD CHECK

3/4 16 UNF 3A CERTIFIED THREAD RING GAGES .75 GO NO GO P.D.'S = .7094 & .7056 - JF2859WMRL

PRATT & WHITNEY

2 1/8 12 N THREAD RING GAGE 2.125 NO GO ONLY P.D. = 2.0645 QUALITY TOOL 2 1/8-12