Product Name: Factory Direct Price Self Threading Screw Self Drywall Screw Model NO.: Screw Grade: 8.8 Standard: DIN, GB, ANSI, BSW, JIS, GOST Head Style: Round Connection: Common Bolt Groove: Word Type: Round Head Material: Carbon Steel Trademark: HBLK Transport Package: Stock Specification: M4-M64 Origin: China HS Code: 7318159090 Product Description Factory Direct Price Self Threading Screw Self Drywall ScrewProduct Range:Self-tapping screws : M3-M8, All types: No. 2-No.14Machine screws : M3-M20Grade : 4.8/8.8/10.9/12.9Material : Carbon Steel, Alloy Steel, Stainless Steel, BrassSurface treatment: ZP, Phosphating, H.D.G, Mechanical Galvanized, Power Coating, DacrometSalt Spray Time: 24hours,48hours,96hours,1000hours…Provide salt spray reportAll types of special screws with spring washers and plain washerProduct Show:Packing and shipping:Service:Professional Manufacturer:All of our Fastener are designed and manufactured according to buyers' specification and performance.Quality is guaranteed:Durability testing and critical technical design to enhance fasteners lifetime.Cost effective:Competitive prices with factory directly supplyPerfect fastening solution with20 years experiencesto solve your problem: Wide range of parts selection.Customized Ideal Fasteners:Customized services according to the samples and drawings offered.Certifications:FAQ:Q:What are your advantages compared with other suppliers and manufacturers?A:High quality:As a professional and reliable supplier, we are experienced in the Quality Inspection and Control.Every product will be strictly inspected before it is delivered to our customers.Competitive price:We are so glad to provide the most favorable prices for our customers. And the prices are negotiable by which a win-win result could be achieved.Q: How long is your delivery time?A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.Q: Do you provide samples ? is it free or extra ?A: Yes, we could offer the sample for free charge but do not pay the cost of freight.Q: Which payment terms are available us ?A:T/T terms or other terms.