... framing 2.Thread type: coarse thread, fine thread 3.Finish: black and grey phosphate 1.Head type: bugle, wafer, pan, pan ... framing2.Thread type: coarse thread, fine thread3.Finish: black and grey phosphate, yellow and white zinc plated4.Materil :SWRCH22A5 ... for you with our passion and quality products sincerely! HOT SELL!! black drywall screw (FACTORY)