China Black Phospate Drywall Screws

StandardDIN, BS, ANSI, JIS, GB and so onHead TypeFlat Head, Pan Head, Countersunk Head, Round Cone Head, Hex Head, Round with Washer Head, Pan with Washer Head and so on, as customer requiresRaw 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-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 productCertificationsSGSSample AvailabilitySamples are available.MOQwe accept test order of small quantityPrice TermsT/T, L/C, western union, paypal, etc.Lead Time7-40days, according to customer's order qty and detailed requirementsPacking25kgs/carton or 1000pcs/per box or as customers' special request.