Carbon Steel DIN931 DIN934 Grade 8.8 10.9 12.9 HDG Hot DIP Galvanized Hex Bolts Hebei Chengyi Engineering Materials Co., Ltd. Material:Carbon SteelType:Hexagon HeadConnection:Common BoltHead Style:HexagonalStandard:DINGrade:8.8 Base Info Model NO.:DIN931 DIN933 DIN934Application:Machinery, Chemical Industry, Environmental, BuildingFinish:PolishingModel:DIN931 DIN933 DIN934Sample:ProvideOEM:OEM WelcomeODM:ODM WelcomeFeatures:Good Anti-Corrosion AbilityDrive Type:Hexgon HeadSurface Treatment:Hot DIP GalvanizedTransport Package:Box , Bulk Packing , PalletSpecification:M4-M30Trademark:ChengyiOrigin:Hebei, ChinaHS Code:7318159090Production Capacity:600 Tons , Month Description Overview Product DescriptionDetailed PhotosCompany ProfileCertifications FAQ Pre:Customized Precision Round Metal Flat Washer Next:Customized Flat Round Steel Washer