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China, Chinese Stainless Steel DIN 6798 Internal Serrated Lock Washer - A2/A4 Grade1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Fastener FittingGasket WasherWashersLock Washer
Wenzhou Nixi Fasteners Co., Ltd.
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Product DescriptionStainless Steel DIN 6798 Internal Serrated Lock Washer - A2/A4 GradeOur Stainless Steel DIN 6798 Internal Serrated Lock Washers are precision locking components designed with internal teeth to prevent fastener loosening under vibration and dynamic loads. Manufactured from A2 (304) or A4 (316) stainless steel to DIN 6798 standards, these washers feature sharp internal serrations that bite into the fastener and bearing surface, providing superior locking performance while maintaining a smooth external appearance. Ideal for applications where both vibration resistance and a clean visual profile are required.SpecificationApplicationsPrecision Machinery: Motor assemblies, gearbox covers, and sensitive equipment where external smoothness is needed.Electronics & Instrumentation: Fastening PCBs, internal frames, and delicate components without external damage.Automotive Systems: Engine sensors, transmission covers, and interior assemblies.Aerospace Components: Avionics enclosures, interior panels, and control systems.Medical Devices: Equipment assembly requiring secure fastening with minimal external marks.Key Features & StandardsInternal Serrations: Teeth grip the fastener and contact surface without marring external areas.Corrosion Resistant: A2/A4 stainless steel ensures reliability in humid or corrosive environments.Smooth Outer Edge: Prevents damage to surrounding materials and improves safety during handling.Reusable Design: Can be reused multiple times while maintaining locking performance.Standard Compliance: Conforms to DIN 6798 for dimensional and mechanical consistency.Technical Specifications(Custom sizes, lengths, and packaging are available upon request.)Material GradeTypical CompositionCorrosion ResistanceHardness (HV)Key Application AdviceSS 201Cr-Ni-MnGood (for mild atmospheres)≥ 250 HVCost-effective for indoor, dry environments with low corrosion risk.SS 304Cr-NiVery Good (excellent all-rounder)≥ 200 HVThe most versatile grade for a wide range of industrial and commercial uses.SS 316Cr-Ni-MoExcellent (superior for harsh conditions)≥ 200 HVEssential for marine, chemical, and high-chloride environments.Standard Size Chart (DIN 125A / ISO 7089 Flat Washers - Metric Series)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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