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China, Chinese DIN 557 Stainless Steel Square Nuts (SS 304/316/201)1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Fastener FittingNutNutsSquare Nuts
Wenzhou Nixi Fasteners Co., Ltd.
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Product DescriptionDIN 557 Stainless Steel Square Nuts (SS 304/316/201)Our stainless steel square nuts are manufactured to DIN 557 standard, providing a secure locking mechanism in channels and slots where a standard hex nut cannot be used. Made from corrosion-resistant stainless steel (Grades 201, 304, and 316), these nuts offer excellent durability and are ideal for structural assemblies, framing systems, and applications requiring frequent adjustments.SpecificationApplicationsStructural Framing Systems: Used in T-slots and channels for machine frames, workstations, and industrial enclosures.Furniture Assembly: Ideal for knockdown furniture and modular structures where nuts need to be locked into wooden or metal slots.Automotive Jigs & Fixtures: Securing components in manufacturing fixtures and assembly line equipment.Railway & Transportation: Fastening in rail tracks, cargo securing systems, and vehicle body assemblies.Construction & Steelwork: Connection points in steel structures where square nuts provide better stability in slots.General Manufacturing & MRO: Versatile fastening solution for various industrial applications.Key Features & StandardsStandard: Compliant with DIN 557 for dimensional accuracy and performance.Type: Square Nut.Material: Stainless Steel Grades 201, 304, and 316.Finish: Plain (Natural). Passivation available for enhanced corrosion resistance.Thread Type: Metric coarse thread as per ISO standard.Design Features: Four flat sides for secure locking in slots, chamfered edges for easy installation.Corrosion Resistance: Excellent anti-rust properties, with Grade 316 providing superior performance in chloride environments.Technical Specifications(Custom configurations available upon request.)Material GradeTypical CompositionCorrosion ResistanceTensile Strength (MPa)SS 201Cr-Ni-MnGood (for mild atmospheres)≥ 700 MPaSS 304Cr-NiVery Good (excellent all-rounder)≥ 500 MPaSS 316Cr-Ni-MoExcellent (superior for harsh conditions)≥ 500 MPaDrawings & DimensionsDetailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.After Sales ServiceStandard Warranty: 12 months or 2,000 operating hours (whichever comes first).Extended Warranty: Optional coverage up to 36 months.Global Support: 24/7 technical assistance and spare parts supply.Training: On-site or remote operation/maintenance training.Company ProfileWenzhou Nixi Fastener Co., Ltd.Wenzhou Nixi Fastener Co., Ltd. — ISO 9001 certified manufacturer with 30+ years of experience in high-quality screws, bolts, nuts, and custom fasteners. All products meet DIN / ISO / ANSI standards with strict quality control for reliable global supply.Why Choose Us?Other ProductsOEM/ODM Fastener Solutions – Custom screws, bolts, nuts, and non-standard parts tailored to your needsStrict Quality Control – ISO 9001 certified, meeting DIN / GB / ANSI standardsCompetitive Factory Pricing – Direct supply with bulk order discountsGlobal Logistics Support – Fast shipping and smooth customs clearanceANSI/ASME B18.2.2 Hex NutANSI/ASME B18.6.3 Pan Head Flat Head Machine ScrewASME B18.5 Carriage BoltCountersunk Blind RivetDIN 7982 Countersunk Head Self-Tapping ScrewFAQQ: What's the lead time for orders?A: Standard fasteners ship within 15–30 days; customized or non-standard parts may take 30–45 days.Q: Do you offer OEM/ODM service?A: Yes, we provide customized fastener solutions based on drawings or samples.Q: What quality standards do your products meet?A: All products comply with ISO, DIN, ANSI, and GB standards and are produced under ISO 9001 certified quality control.Q: What documents do you provide for export?A: We supply a complete set of export documents, including Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, and other required certificates.Q: How can I place an order?A: Contact us by email or phone with your requirements. We'll send a quotation, and once confirmed, you can issue a Purchase Order (PO).Q: Can I get samples before mass production?A: Yes, free samples are available; shipping costs are borne by the buyer.
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