DIN 6923 Hex Flange Nut China Factory and Wholesale Suppliers

Looking for high-quality DIN 6923 Hex Flange Nuts? As leading China suppliers and a professional factory, we provide carbon steel nuts with integrated washers to distribute loads and prevent material damage. Available in various finishes for heavy industry applications.



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The DIN 6923 Hex Flange Nut is a high-performance fastening solution engineered for industrial applications where stability and load distribution are critical. Featuring an integrated wide flange that acts as a built-in non-spinning washer, these nuts effectively distribute pressure over a larger surface area, preventing material damage and ensuring a secure, tight fit in heavy-duty environments.

Manufactured by TYB in Yongnian, China, our DIN 6923 nuts are crafted from premium carbon steel and available in multiple finishes including zinc plated and HDG to resist corrosion. Whether you are working in heavy industry, water treatment, or general manufacturing, these flange nuts provide a streamlined installation process by eliminating the need for separate washers, thereby reducing assembly time and potential failure points.

Detailed Parameters

StandardDIN 6923MaterialCarbon Steel
Size RangeM5 - M20Tolerance4H
MeasurementMetric / Imperial (Inch)FinishesPlain, Zinc Plated, Black, HDG, etc.
ApplicationHeavy Industry, Water Treatment, General IndustryBrand NameTYB
OriginYongnian, Hebei, ChinaPort of ShipmentTianjin Port

Key Advantages

Enhanced Load Distribution

The integrated flange spreads the clamping force over a wider area, protecting the mating surface from deformation.

Rapid Installation

Eliminates the need for separate washers, significantly reducing assembly time and labor costs per unit.

Vibration Resistance

Available in serrated styles that bite into the material, preventing the nut from loosening under high vibration.

Corrosion Protection

Multiple coating options including Hot Dip Galvanized (HDG) ensure longevity in harsh industrial environments.

Precision Engineering

Strict adherence to DIN 6923 standards with a 4H tolerance ensures consistent fit and high mechanical strength.

Versatile Application

Perfect for water treatment plants and heavy machinery where secure fastening is non-negotiable.

Product Gallery

Management Platforms

Inventory Control

Real-time tracking of M5-M20 stock levels to ensure zero downtime for your project.

Quality Assurance

Rigorous inspection based on 4H tolerance standards to guarantee precision fit.

Order Tracking

End-to-end logistics monitoring from Yongnian factory to Tianjin Port and beyond.

Customization Desk

Professional support for non-standard products based on your drawings or samples.

Supply Chain Optimization

Optimized batch production to reduce lead times for high-volume industrial orders.

Technical Support

Expert guidance on selecting the right material and finish for specific environment needs.

Investment Return Comparison

FeatureStandard Hex Nut + WasherDIN 6923 Flange Nut
Assembly SpeedSlower (Two parts)Faster (Integrated)
Surface ProtectionMedium (Washer rotation)High (Wider Distribution)
Part ManagementComplex (Multiple SKUs)Simple (Single SKU)
Vibration LockRequires Lock WasherBuilt-in (Serrated Option)
Overall CostHigher Labor CostLower Total Install Cost

Frequently Asked Questions

Q: What is the primary difference between a hex flange nut and a standard hex nut?

The primary difference is the integrated wide flange at the base of the nut, which acts as a built-in washer. This allows the nut to distribute the clamping load over a larger surface area and eliminates the need for a separate washer during installation.

Q: Do I still need a lock washer when using a DIN 6923 flange nut?

In most cases, no. The flange itself provides significant surface area for stability. For applications subject to extreme vibration, you can choose the serrated flange style, which bites into the material to lock the nut in place, often replacing the need for a traditional lock washer.

Q: What materials and finishes are available for these fasteners?

Our flange nuts are manufactured from high-quality carbon steel. Available finishes include Plain, Zinc Plated, Black Oxide, and Hot Dip Galvanized (HDG) to provide varying levels of corrosion resistance depending on your environment.

Q: Can you manufacture non-standard sizes for special industrial projects?

Yes, we specialize in both standard DIN 6923 and customized fasteners. If you have specific requirements, please provide us with a technical drawing, photos, or a physical sample, and our engineering team will create a tailored solution.

Q: Which industries typically use DIN 6923 Flange Nuts?

These nuts are widely used in Heavy Industry, Water Treatment facilities, Automotive manufacturing, and General Industrial assembly where high torque and surface protection are required.

Q: How do I ensure the correct fit for my bolt?

Ensure that the thread pitch and size (e.g., M8, M10, M12) match your bolt perfectly. We follow strict DIN standards and 4H tolerances to ensure compatibility. Please specify if you require Metric or Imperial (Inch) measurement systems when ordering.

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