Product Name: High Quality Black Phosphated Coarse Thread Drywall Screw Model NO.: GLT-001 Grade: 8.8 Standard: DIN, GB, ANSI, BSW, JIS, GOST Head Style: Bugle Connection: Common Bolt Groove: Cross Type: Bugle Material: Carbon Steel Heat Treatment: Hot-Working Delivery: 30-40 Days Applied Area: Building, Machinery, Auto, Car Wheel QC Equipment: Salt Spray Machine, Hardness Testor, Caliper Brand: Gl Process: Cold Forming Specialty: OEM, ODM Sample: Free Sample in Store QC Control: Inspect 30mins in Production and Before Delivery Service: Response in One Hour Trademark: Global Transport Package: Plastic Bag, Box, Carton Package, Pallet Package Specification: (Dia)M3.5-6.3*(Length)9.5-200mm Origin: China HS Code: 7318149001 Product Description Product Description:Product specificationStandardDIN, BS, ANSI, JIS, GB and so onFeaturesPHIL drive, bugle head, fine/ coarse threadRaw 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.ContactIf you're insterested in our products, please do not hesitate to send us an email or call us at+86 18072687675(Mobile)directly.