Description: Size : M3.5~M6.5 / #6~#14 Length : 9.5mm~200mm / 3/8"~8" Material : Carbon Steel / Stainless Steel Thread type : Coarse Thread, Twinfast Singlelead, Flute on Thread Point type : Sharp point and Cut point Surface Treatment : Zinc plated, Yellow Zinc plated, Black zinc, Zinc Nickel, Mechnical Galvanized, Ruspert, Slat Spray Test according to customer requirement. Standard : DIN, IFI, JIS, according to customer's drawing Package : Bulk packing, Box packing, Bag packing, Blister Oval head Screw Usage : Oval head screw is same as flat head with lower rounded surface for appearance. It used normally in contacting fastener face of object and let object surface smooth.