Material : Steel Fasteners Grade : A2 , A4 , 200 Series Standard : Metric Din 913 , Din 914 , Din 915 , Din 916Inches Bs 2470 Size In Dia : Metric M2 M24Inches 316 1 Size In Length : Metric - 4 Mm To 100 MmInches - 532 To 4 Manufacturing By : Cold Forming