1" - 20 3A

G. WHALLEY

1" 20 UNEF 3A CERTIFIED SET THREAD PLUG GAGE 1.0 GO NO GO P.D.'S = .9675 & .9641 - DW11169BU

YOU ARE PURCHASING THE PICTURED CERTIFIED SET THREAD PLUG GAGE.THESE GAGES ARE USED FOR CALIBRATING THREAD RING GAGES ONLY! THEY ARE NOT USED FOR CHECKING THREADED HOLES IN A MACHINED PART!SOLD BY M & J TOOLING LLCDAYTON, OHIOPRODUCT...