Stainless steel section 1.Mat:S.S or Carbon 2.Head mark:OEM, ... :1/4-1" 3.Processing:Cold &Hot forged Stainless steel section 1.Material:Stainless Steel or Carbon Steel2.Head mark:OEM ... :1/4-1" (ANSI),M5-M36(DIN)4.Length:5/8-14"(ANSI),16-400MM(DIN)5.Grade:A2,4 ... .8-12.9 or 2-86.Standard:ANSI,DIN,AS,BS ...