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High-Quality Flange Nuts from China Suppliers | Serrated & Hex Flange Lock Nuts at Hebei Chudu Factory
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Product Overview
| Product Name | Flange Nut / Serrated Flange Nut / Hex Flange Lock Nut |
| Standards | DIN 6923, ISO 4161, JIS B1190, ANSI B18.2.2, or custom |
| Material | Carbon Steel, Stainless Steel (A2-70, A4-70), Alloy Steel, Brass (optional) |
| Grade | 6, 8, 10, 12 / A2-70, A4-80 |
| Thread Type | Metric / UNC / UNF |
| Surface Treatment | Zinc Plated (Clear / Yellow / Blue), Black Oxide, Hot-Dip Galvanized (HDG), Dacromet / Ruspert, Plain or Polished |
| Size Range | Metric: M5 – M24; Inch sizes available upon request |
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Product Features
Integrated flange distributes pressure to prevent damage to the material
Serrated version helps resist loosening from vibration and torque
Reduced need for separate washers, saving time and cost
Durable construction for high-strength fastening
Corrosion-resistant finishes for outdoor or industrial use
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Applications
Automotive & Truck Assemblies
Agricultural & Construction Machinery
Steel Structure Connections
Equipment & Electrical Installations
Solar Mounting Systems
General-purpose Industrial Fastening
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Packaging & Delivery
| Packaging |
• Bulk in cartons and pallets • Small boxes or polybags for retail packing • Customized logo and labeling available |
| Lead Time | 7–30 days depending on order quantity and customization |
| Shipping Port | Tianjin, China |
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Why Choose Hebei Chudu
Over 10 years experience in fastener production and export.
Full control of manufacturing and quality inspection processes.
Fast lead times and competitive factory pricing.
Wide product range to match bolts and assemblies.
ISO 9001-certified factory and export-ready documentation.
Custom designs and special materials available.
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Frequently Asked Questions
Q1: What is the main advantage of using a flange nut over a standard hex nut?
A: Flange nuts feature an integrated wide flange that acts as a built-in washer. This distributes the pressure of the nut over a larger surface area, protecting the material and eliminating the need for a separate washer.
Q2: When should I choose a serrated flange nut?
A: Serrated flange nuts are ideal for applications prone to vibration. The serrations grip the bearing surface, providing a locking action that prevents the nut from loosening over time.
Q3: What materials do you offer for these nuts?
A: We provide flange nuts in high-quality Carbon Steel, Stainless Steel (A2-70, A4-70), Alloy Steel, and even Brass upon request to meet various strength and corrosion requirements.
Q4: Can you provide customized surface treatments?
A: Yes, we offer a variety of finishes including Zinc Plating (Clear, Yellow, Blue), Black Oxide, Hot-Dip Galvanized (HDG), and Dacromet for superior corrosion resistance.
Q5: What is your typical production lead time?
A: Depending on the order volume and customization requirements, our lead time typically ranges from 7 to 30 days. We ship directly from Tianjin Port, China.
Q6: Do you support custom branding and packaging?
A: Absolutely. We offer small box retail packing, polybags, and can customize logos and labeling to meet your specific market needs.