1/2 20 UN JUEGO ESPECIAL MEDIDOR ENCHUFE ROSCA .5.50 GO NO GO P.D.'S = .4662 y .4639
SPECIAL SET THREAD PLUG GAGE. ”Gage was protected very good. Will buy from you again.”. THEY ARE NOT USED FOR CHECKING THREADED HOLES IN A MACHINED PART! 1/2 - 20 UN SPECIAL. Thread Gages. YOU ARE PURCHASING THE PICTURED RIGHT HAND.