1/2 - 12

HEMCO

1/2 12 N 2A THREAD RING GAGE .5 GO ONLY P.D. = .4444 UN-2A 1/2"-12 QUALITY TOOL - DW3260RD

DOALL

1/2 12 UNC 3A THREAD RING GAGES .5 GO NO GO P.D.'S = .4459 & .4421 NC-3A TOOL

1/2 12 UNC 3A THREAD RING GAGES .5 GO NO GO P.D.'S = .4459 & .4421 1/2-12 .50

M&J TOOLING LLC

1/2 12 UNC 3A THREAD RING GAGE .5 GO ONLY P.D. = .4459 1/2-12 NC-3A INSPECTION

WESTPORT

1/2 12 .0833 P .1667 L UNS 2A DOUBLE LEAD THREAD RING GAGE .5 GO ONLY PD = .4444

M & J Tooling LLC

1/2 12 DOUBLE LEAD LEFT HAND THREAD RING GAGE .5 GO ONLY P.D. = .4444 L.H. TOOL