5/16 24 UNF 2A SET SPINA FILETTATA GAGE .3125 GB NO GO P.D.'S = .2843 & .2806 NF-2A
5/16 - 24 UNF - 2A. 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! Thread Gages. plain Pin Plug Gages.