Place of Origin : Yiwu,China
Hot-Sale Black Phosphated Bugle Head Drywall Screw See larger image Screw Manufacturer/Black Phosphate Phillips Bugle Head Drywall Screw/Gypsum Board Screw Product name:Screw Manufacturer/Black Phosphate Phillips Bugle Head Drywall Screw/Gypsum Board Screw1.Material:C1022 cabon steel/heat treated2.Surface:black phosphated/grey phosphated,Website:http://www.vs-buildingmaterials.com, galvanized, dacromet, HDG3.Drive type:phillips4.Head type:bugle head5.Thread type:coarse thread/fine thread6.Dia