standard: ISO,GB,ANSI,BS packing: General export packing poly bag carton material: Carbon steel, Alloy steel, stainless DIN960 1.Standard:DIN, ANSI/ASME, BS, AS 2.Size of DIN960:M4-M100 3.Surface:Black,zinc,hdg,oxide 4.iso rohs approveDIN960 1. Standard:DIN960,ANSI B18.2.1, BSW, JSB ans ISO standard. 2. Material:Carbon steel, Alloy steel, stainless steel. 3. Grade of DIN960:Metric standard: ...