... 4.funiture screw 5.male and female screw Product name:Stainless Steel screwRelated Products: wood screw, chipboard screw, ball screw, hex ... nut, screw cap,High strength boltsSpecification:1) Meterials: carbon steel, stainless steel, metal, brass, copper, zinc alloy, cold rolled steel with ... can manufacture as your drawings or samples with Quality Gaurantee Stainless Steel screw pem fuel cell screw