High Quality DIN571 Hex Head Wood Screw
Surface FinishZinc Plated(Clear/Blue/Yellow/Black)(ROHS), Black oxide, Dacrotized, Mechanical galvanized,hot-working, make hardness up to 6.8,8.8, 9.8, 10.9, 12.9 gradeHeat TreatmentHeat treatment with the material, and heat treatment with the productCertificationsSGSSampleAvailable.MOQwe accepttest
High Quality Head Painted Roofing Screws Self Drilling Screw
Raw Material1, Carbon Steel: C10225, Stainless Steel: SS201, SS301, SS303, SS304, SS316, SS416, SS420Surface FinishZinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG) phosphorization,Black Oxide,Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated,dacromat, mechanical coated and RoHShot-w