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China, Chinese DIN 571 Plain Stainless Steel Carbon Steel Hexagon Head Coach Screws (Lag Screw) Hardware1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Fastener FittingScrewCoach ScrewsStainless Steel Screw
Qewitco Fasteners Co., Ltd
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Product DescriptionProduct DescriptionStainless Steel Hexagon Head Coach Screws (Lag Screw) DIN 571Stainless Steel Hex Head Coach Screws (DIN 571/ANSI B18.2.1) offer superior strength and corrosion resistance for heavy-duty timber, metal, and masonry applications. Made from high-grade stainless steel, these screws feature a standard hex head for easy installation with wrenches or sockets. Available in sizes M4-M20 (16-400mm length), they comply with international standards for reliable performance. Ideal for construction, marine, and furniture projects, our coach screws ensure durable fastening even in harsh environments. Bulk or boxed packaging options available. Request a quote today for your industrial fastener needs!High Strength & DurabilityMade of high-quality stainless steel, offering excellent corrosion and rust resistance—ideal for humid, outdoor, and highly corrosive environments (e.g., marine, chemical, construction).High-hardness material ensures the screws resist deformation or breakage under heavy loads, suitable for securing heavy timber, metal, and concrete structures.Versatile & Wide ApplicationsHeavy timber construction: Specifically designed for large wood structures (beams, posts, flooring, fences), providing superior grip and pull-out resistance.Metal-to-wood connections: Can be used with pre-drilled holes for secure fastening.Masonry/concrete applications: Works with wall plugs (anchors) for construction, bridges, and engineering projects.Hex Head Design for Easy InstallationStandard hex head allows quick tightening with wrenches or sockets, making installation easier than Phillips/slotted screws—especially for large screws requiring high torque.Even force distribution prevents stripping and ensures a secure fit.Standardized Production, Reliable QualityComplies with DIN 571 (German Industrial Standard) and ANSI B 18.2.1 (U.S. Standard), ensuring precise dimensions and interchangeability.Available in M4-M20 diameters and 16-400mm lengths to meet various engineering needs.Finish Plain& Flexible Packaging, Stable SupplyNatural stainless steel appearance, corrosion-resistant, and aesthetically suitable for high-visibility applications. Bulk packing or small boxed options available for convenient storage and shipping.SpecificationModel NO.Standardized Production, Reliable QualityStandardDIN571 / ANSI B 18.2.1SizeDIA. M4 - M20, LENGTH 16 - 400MMMateralSTAINLESS STEEFinishPLAINPackagingBULK PACK | SMALL BOXEDWhy Choose Our Coach Screws?1,Strict QC: Each batch undergoes hardness, dimensional, and corrosion resistance testing for long-term reliability.2, Complete Sizes: Ranging from M4 to M20 to meet different load-bearing requirements.3,Fast Delivery: Ample stock, customizable packaging available.Contact us now for premium stainless steel fastener solutions!Packing & DeliveryCertificationsCompany Activity & ExhibitionSales ServicePlease enter the title here1. Two Decades of Trusted ExcellenceSince our founding in 2004, we have established ourselves as a dependable partner in the industry. Our steady expansion and strong financial health showcase our agility in navigating market shifts while upholding top-tier performance.2. Serving 500+ Clients WorldwideFrom multinational corporations to small and medium-sized enterprises, our diverse clientele spans various sectors. This expanding network underscores our dedication to superior quality and customer satisfaction.3. 98.7% Delivery PunctualityLeveraging streamlined logistics and trusted carrier relationships, we guarantee efficient global shipments. Our robust supply chain system reduces disruptions, ensuring your business stays on track.4. 40% Loyal Customer RateAlmost half of our clients place recurring orders, highlighting our unwavering standards, cost-effective solutions, and outstanding client care.5. Always-On Multilingual AssistanceOur expert support team offers 24/7 service in multiple languages, bridging time zones to deliver prompt responses and smooth communication for all your needs.Company ProfileQEWITCO FASTENERS CO.,LTD Qewitco is an international industrial consumables supplier headquartered in Qingdao, China, providing professional services to global clients since 2004. With a well-established supply chain spanning key manufacturing hubs in China, Taiwan, and Southeast Asia, we efficiently meet the procurement needs of buyers worldwide.Backed by over 20 years of industry expertise, we adopt a factory-direct supply model, delivering end-to-end solutions—from personalized support and rigorous quality control to customized logistics. Through our in-depth supply chain management, we ensure products offer both high cost-performance and international service standards.Guided by our philosophy of "Exceeding Customer Expectations", we guarantee seamless operations from production to delivery. Qewitco seamlessly integrates Western management practices with Eastern manufacturing efficiency, committed to providing efficient and reliable customized procurement solutions for global businesses.FAQQ: What are your accepted payment methods?A: Our primary payment method is bank transfer (TT), but we also accommodate other arrangements. For flexible payment solutions, reach out to our sales representatives.Q: Which shipping terms can you provide?A: We work with multiple Incoterms such as FOB, CIF, DDP, and more. Let our team advise you on the best option for your logistics needs.Q: What quality assurance measures do you have?A: Every tool undergoes rigorous inspection to ensure 100% reliability, with strict quality checks at every production stage.Q: Can products be customized?A: Absolutely—we support OEM and ODM orders. Share your specifications, and we'll tailor solutions for your hardware tool requirements.Q: What's your industry experience?A: Having operated in global trade for two decades, we deliver trusted products and professional service worldwide.
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