M3 X .5 6h METRIC SET THREAD PLUG GAGE 3 GO NO GO P.D.’S = 2.675 & 2.600 CHECK
M3 X 0.5 6h. 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. NO GO P.D. plain Pin Plug Gages.