... .1 ISO4014/4017 We are a large hex bolts and nuts manufacturer with capacity of over 200MT per day.(1) Hex ... : DIN,ANSI,UNI,JIS,ISO incl.DIN912,ISO4762(3) Hex Nuts Diameter : 3MM~72MM(1/4''~3'') Grade : 6/8/10 ... 2/5/2H) Standard :DIN.ANSI,UNI,JIS,ISO incl.DIN934/439/6923,DIN985/986/982,ANSI18.2.2,BS1083,ISO4032 ...