Factory Price Various Kind of Torx Drive Machine Screw Jiaxing CNS Metal Co., Ltd. Base Info Material:Carbon SteelType:Countersunk HeadConnection:Common BoltHead Style:RoundStandard:DIN, ANSI, GB, JIS, BSWGrade:4.8Trademark:CNSTransport Package:by SeaSpecification:ST2.5-ST6Origin:China Description Pre:Factory Hot Sale Hook Top Stainless Steel Wall Fasteners Expansion Hook Next:Galvanized M4.2 Pan Washer Head Self-Tapping Self-Drilling Screw Truss Wafer Head Self Drilling Screw