Black Oxide Full Threaded Half Threaded Grade 8.8 10.9 12.9 DIN912 Hex Socket Screw Allen Bolts Hebei Chengyi Engineering Materials Co., Ltd. Material:Carbon SteelType:Hexagon HeadConnection:Common BoltHead Style:HexagonalStandard:DINGrade:8.8 Base Info Application:Machinery, Chemical Industry, Environmental, BuildingFinish:PolishingModel:DIN931 DIN933 DIN934Sample:ProvideOEM:OEM WelcomeODM:ODM WelcomeFeatures:Good Anti-Corrosion AbilityDrive Type:Hexgon HeadSurface Treatment:Black OxideThread Length:Full Threaded,Half Threaded,CustomMaterials:Stainless SteelTransport Package:Box , Bulk Packing , PalletSpecification:M4-M30Trademark:ChengyiOrigin:Hebei, ChinaHS Code:7318159001Production Capacity:600 Tons , Month Description Overview Detailed PhotosCompany ProfileCertifications FAQ Pre:15.8mm Stainless Steel High Torque Worm-Drive Heavy Duty Hose Clamp for Automobile Exhaust. 184-206mm Next:15.8mm Stainless Steel High Torque Worm-Drive Heavy Duty Hose Clamp for Automobile Exhaust. 197-219mm