SET CERTIFICATO 1/4 28 UNF 2A SPINA FILETTATA GAGE .25 GB NO GO PD'S = .2258 & .2225
1/4 - 28 UNF - 2A CERTIFIED. CERTIFIED 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.