1.Head type: bugle, wafer, pan, pan framing 2.Thread type: coarse thread, fine thread 3.Finish: black ... .Materil :SWRCH22A5.Drive: philips6.Diameter: M3.5, M3.9, M4.2, M4.8, M5.5#6, #7, #8, #9, #10, ... 7.Length: 13mm-254mm(1/2"-10")8. Package: 1000pcs/box, and then some boxes per ... service for you with our passion and quality products sincerely! HOT SELL!! black drywall screw (FACTORY)