Factory Outlet Zinc Plated Yellow Square Lock Nut Hebei Chengyi Engineering Materials Co., Ltd. Material:Carbon SteelType:Hexagon HeadConnection:Common BoltHead Style:HexagonalStandard:DINGrade:8.8 Base Info Sample: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:DIN7340Thread:Unc,Unf,Metric ThreadMOQ:1000PCSOther Materia:Stainless SteelStrength Level:4.8 8.8 10.9 12.9 A2-70 A4-80 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:Single Stud Fitting with O Ring Next:High Quality Stainless Steel T Head Square Head Bolt