... & Grade 2, 5 ,8, 10Diameter: According to drawings or StandardLength:According to drawings or StandardMaterial:Carbon steel, Stainless steel ,Copper ... , Black Oxided,etc.Packing:Bulk or small packing according to requirementOur main products including bolts, nuts, screws,washers, ... JIS, GB, ISO and other standard&non-standard specifications base on our customers’ special request and drawings.We also ...