Stainless Steel Anchor Fasteners 1) Material: SS304, 316 2)Size; M6--M20 3)Packing: Small Box + Carton Box ... 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 ...