... : JIS, BS, DIN, AISI....Description:hardware bolts and nutsScrews and Fasteners Brand NameARXOriginal of PlaceQingdao ChinaMaterialCarbon steel ,stainless steel ... , brass and etc.Standardstandard fasteners (GB, DIN, ANSI,JIS AND ) and non-standard.GradeClass 4.8, ... or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples ...