304 316 Stainless Steel Zinc Black M3 M4 M5 DIN1587 Hex Crown Dome Acorn Cap Nut M8 Hebei Chengyi Engineering Materials Co., Ltd. Material:Carbon SteelType:Hexagon HeadConnection:Common BoltHead Style:HexagonalStandard:DINGrade:8.8 Base Info Model NO.:DIN1587Sample:ProvideOEM:OEM WelcomeODM:ODM WelcomeFeatures:Good Anti-Corrosion AbilityDrive Type:Hexgon HeadSurface Treatment:Black Oxide,Yellow Zinc,GalvanizedQuality:Ts16949Head Mark:According to Customer′s RequirementDelivery Time:Stock , 5-30daysModel:DIN6334 Extension NutThread:Unc,Unf,Metric ThreadMOQ:1000PCSMaterials:Stainless Steel,Carbon SteelSize:All SizeUsage:Industry, Construction, Auto Parts etc.Transport Package:Box , Bulk Packing , PalletSpecification:M4-M30Trademark:ChengyiOrigin:Hebei, ChinaHS Code:7318160000Production Capacity:600 Tons , Month Description Overview Product DescriptionDetailed PhotosCompany ProfileCertifications FAQ Pre:DIN1587 M2 M4 M6 M8 Carbon Stainless Steel Hexagon Hex Acorn Dome Cap Nut Next:DIN 315 Carbon Steel Stainless Steel SUS 201 304 Butterfly Nut Wing Nut