.5312 24 NS SET SPINA FILETTATA CALIBRO GO NO GO P.D.'S = .5030 & .4991 17/32 UNS-2A
SET THREAD PLUG GAGE. 0.5312 - 24 NS. ”Gage was protected very good. Will buy from you again.”. THEY ARE NOT USED FOR CHECKING THREADED HOLES IN A MACHINED PART! Thread Gages. NO GO P.D. plain Pin Plug Gages.