... .standard:ISO,GB,DIN,JIS 4.ISO9001-2008,SGS,ROHS cam lock fasteners 1.Size: according to customer's drawing or requirement ... materials:Carbon steel, Stainless steel,copper; Fine surface trearment: Plain, zinc plated etc.2.Variety of standards:ISO,GB,DIN,JIS ... .We commit ourself to smile to each customers. Product namecam lock fasteners Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS416, ...