Pan Philips Head Machine Screw with Zinc Plating Head tye: CSK/flat head, truss head, trumpet head, wafer head, pan framing head, pan wafer head, hexagon head, pan head, and moreThread ... type: type A, type B, type C, high-low, double thread and other special threadLength of screw ... report, and we also pass the by inspection Pan Philips Head Screw