... 3 most competative price 4 produce to your request bolts and nuts1) Material:SS304,SS316,copper, brass, bronze, ... ChinaMaterialCarbon steel ,stainless steel, brass and etc.Standardstandard fasteners (GB, DIN, ANSI,JIS AND ) and non-standard.GradeClass 4.8, Class 6.8 ... NoticePlease lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the ...