DIN 6923 Hex Flange Nut China Factory and Professional Wholesale Suppliers

Looking for high-quality DIN 6923 Hex Flange Nuts? As leading China suppliers and a dedicated factory, TYB provides carbon steel flange nuts that distribute loads and prevent material damage. Available in M5-M20 with zinc and HDG finishes for maximum corrosion resistance.



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The DIN 6923 Hex Flange Nut is a high-performance fastening solution engineered for industrial stability. Featuring an integrated wide flange that acts as a built-in non-spinning washer, this nut is designed to distribute the clamping load over a broader surface area, effectively preventing material damage and ensuring a secure grip in demanding environments.

Manufactured by TYB in Yongnian, Hebei, these flange nuts are ideal for heavy industry, water treatment, and general industrial applications. Available in a wide range of sizes from M5 to M20 and various finishes including zinc plating and Hot Dip Galvanized (HDG), they provide the perfect balance of structural integrity and corrosion resistance for both metric and imperial systems.

Detailed Parameters

StandardDIN 6923Brand NameTYB
MaterialCarbon SteelSize RangeM5 - M20
Surface FinishPlain, Zinc Plated, Black, HDGMeasurement SystemMetric, Imperial (Inch)
Tolerance4HPort of ShipmentTianjin Port
ApplicationsHeavy Industry, Water TreatmentOriginYongnian, Hebei, China

Key Advantages

Load Distribution

The integrated flange spreads the pressure over a wider area, protecting the installation surface from deformation.

Vibration Resistance

Serrated options "bite" into the material, significantly reducing the risk of loosening caused by industrial vibrations.

Installation Efficiency

Eliminates the need for separate washers, speeding up the assembly process and reducing part inventory.

Versatile Coatings

Available in zinc plated, HDG, and black finishes to suit various environmental corrosion requirements.

Precision Engineering

Strict adherence to DIN 6923 standards with a 4H tolerance ensuring a perfect fit and reliable torque.

Custom Flexibility

Support for non-standard dimensions based on customer drawings, photos, or physical samples.

Product Gallery

Management Platforms

Inventory Control

Streamlined stock management for all sizes from M5 to M20 to ensure rapid dispatch.

Quality Assurance

Rigorous inspection process ensuring every batch meets DIN 6923 technical specifications.

Logistics Tracking

Efficient shipping coordination via Tianjin Port with real-time updates on your order.

Customization Portal

Seamless submission of drawings and samples for non-standard fastener manufacturing.

Material Sourcing

Direct access to high-grade carbon steel to ensure maximum structural durability.

Surface Treatment

Advanced plating lines for zinc, HDG, and black finishes to prevent industrial corrosion.

Investment Return Comparison

FeatureStandard Hex Nut + WasherDIN 6923 Flange Nut
Assembly TimeHigh (Two parts)Low (Single part)
Surface ProtectionVariableEnhanced Load Distribution
Vibration LockRequires Lock WasherIntegrated Flange/Serrations
Inventory SKUTwo separate itemsOne consolidated item
Installation RiskWasher rotation riskUnified rotation stability

Frequently Asked Questions

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

A flange nut features an integrated wide base that acts as a washer, distributing the load over a larger surface area and reducing the risk of damaging the mating material.

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

Generally, no. The flange provides a similar function to a washer. However, for extreme vibration environments, using additional locking washers can provide an extra layer of surface protection.

Q: Which surface finish is best for outdoor water treatment plants?

Hot Dip Galvanized (HDG) is highly recommended for water treatment and outdoor use due to its thick protective coating and superior corrosion resistance.

Q: Can you manufacture non-standard sizes of DIN 6923 nuts?

Yes, we provide custom manufacturing. Please supply us with technical drawings, photos, or physical samples for an accurate quote.

Q: What material is used for the TYB Flange Nuts?

Our standard DIN 6923 flange nuts are manufactured from high-quality carbon steel to ensure strength and durability for industrial applications.

Q: How do serrated flange nuts work differently?

Serrated flange nuts have teeth on the flange that bite into the material when tightened, creating a mechanical lock that prevents the nut from loosening due to vibration.

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