... , Hex Socket, Torx, Rice character type, One Way etc.MaterialCarbon steel, stainless steel, SS-304, SS-302, Aluminum, Brass, Bronze, medium carbon ... etc.PackagingInner plastic bag, outer carton box, and we can also pack products according to your requirements.Our featuresA company with industry and trade ... .en.alibaba.com all kinds of screw ,machine screw ,stainless steel screw and fasteners