Six Internal Head Sems Screw LEDA METAL CO. Base Info Material:Carbon SteelType:Hexagon HeadGroove:WordConnection:Common BoltHead Style:HexagonalStandard:DIN, GB, ANSI, BSW, JISGrade:8.8Transport Package:Freight AirSpecification:M1.2-M10 Description Pre:1 P Head Sems Screw Next:Stainless Steel 304/316 U Bolt of DIN3570 with Test Report