bolt and nuts 1. Standard: DIN,ANSI,GB,AISI 2. Size: M2 to M100 3. Material: stainless steel bolt and nut1.Material:Stainless Steel or Carbon Steel2.Head mark:OEM 3.Dia: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 and etc7.Example:DIN912,DIN931,DIN933,DIN571,A-10,A-6,ISO4014,ISO4017,etc8.Production Processing:Cold forged or Hot ...