... head type and drivers Size: M1-M10. Material: steel,ss,aluminum, brass etc Our product details, as follows:Normal Size: M1 ... : DIN, ANSI, BS JIS or ISOMaterial: steel, stainless steel, cu, aluminum, alloy etc.Finish: white/yellow/blue/black zinc, nickel, black ... , Jiangsu, Province, China 226101Tel: +86-513-82363999Fax: +86-513-82281553 Pan head Phillips and slotted machine Screws