China Wholesale DIN934 DIN6923 Grade 8.8 10.9 12.9 High Strength Black Hex Nuts Hebei Chengyi Engineering Materials Co., Ltd. Material:Carbon SteelType:Hexagon HeadConnection:Common BoltHead Style:HexagonalStandard:DINGrade:8.8 Base Info Model NO.:DIN934Model:DIN934 DIN6923Sample:ProvideOEM:OEM WelcomeODM:ODM WelcomeFeatures:Good Anti-Corrosion AbilityDrive Type:Hexgon HeadTransport Package:Box , Bulk Packing , PalletSpecification:M4-M30Trademark:ChengyiOrigin:Hebei, ChinaHS Code:7318160000Production Capacity:600 Tons , Month Description Overview Product DescriptionDetailed PhotosCompany ProfileCertifications FAQ Pre:Csk Head Semi Tubular Rivet Next:ASTM A193 B7 High Strength Fastener Black Oxide Carbon Steel Double End Head Stud Bolt/Hex Bolt/ Anchor Bolt/ Screws for Spare Parts with Nut