product name:pan head machine wire finished :black,white,RoHS. material:stainless steel-201,304, ... ,GB,DIN,JIS,ANSI,BSWManufacture ProcessHeading/washer assembly/Threading/Secondary machine/heat treatment/plating/Anti-slipping/Baking/QA/Package/ShippingSample Availablitywe ... fasteners for customersWe have advanced equipment and outstanding and production screw.