FourPronged Tee Nuts China Factory and Wholesale Suppliers DIN 1624 ASME B18.6.9

FourPronged Tee Nuts China Factory and Wholesale Suppliers DIN 1624 ASME B18.6.9



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Longze Four-Pronged Tee Nuts, engineered to strict DIN 1624 and ASME B18.6.9 standards, are premium internal-thread fasteners designed for high-stability applications in wood and composite materials. Featuring a specialized four-jaw mechanism, these T-nuts provide an exceptional mechanical grip, preventing rotation and stripping during high-torque bolt installation, making them the industry standard for furniture and professional climbing walls.

Designed for versatility and durability, our Tee Nuts are available in a wide range of Metric and Imperial sizes with various high-performance finishes, including Blue/White Zinc plating and Stainless Steel. Whether you are managing automated furniture production lines or constructing heavy-duty audio equipment enclosures, Longze provides a flush-mounted, permanent threading solution that ensures structural integrity and long-term reliability.

Detailed Parameters

Technical StandardsDIN 1624 / ASME B18.6.9 / Custom Industrial Specs Metric Size RangeM3 to M12
Imperial Size Range#6-32 to 1/2"-13 (UNC / UNF) Base MaterialLow Carbon Steel (Q195/Q235), Stainless Steel (SS304)
Surface TreatmentZinc Plated (Clear/Blue/Yellow), Black Oxide, Plain Mechanical PropertyHigh Ductility / High Strength / Rust Proof
Hardness GradeStandard soft steel for optimal prong penetration Flange DesignFlat reinforced flange for load distribution
Application AreaIndoor/Semi-protected/Marine environments CertificationISO 9001 Quality Management Certified

Key Advantages

Anti-Rotation Security

The four-jaw design "bites" deeply into wood grain, ensuring the nut remains stationary under high torque.

High-Speed Assembly

Optimized for automated production lines and flat-pack DIY assembly for maximum efficiency.

Precision Threading

Exact Metric and Imperial threading options to match global furniture hardware standards perfectly.

Robust Load Distribution

Wide flange base prevents the fastener from pulling through timber under heavy tension loads.

Superior Corrosion Resistance

High-quality zinc plating ensures longevity and prevents rusting in diverse indoor environments.

Flush Mounting

Provides a clean, professional metal socket that doesn't interfere with the finished surface.

Product Gallery

Management Platforms

Quality Control

ISO 9001 certified production with rigorous checks on thread pitch and prong alignment.

Hardness Testing

Ensuring prongs are ductile enough to bend without snapping but strong enough to lock.

Salt Spray Testing

Verification of zinc plating thickness for long-term oxidation resistance.

Logistics Management

Export-grade 25kg cartons on fumigation-free pallets for global shipping.

Custom Packaging

Available in retail small-box packaging (100, 500, 1000 pcs) for diverse market needs.

Technical Support

Expert guidance on pre-drilling diameters and material selection for specific wood types.

Investment Return Comparison

Material GradeInstallation SpeedDurability Period
Carbon Steel Q235Fast / HighStandard (Indoor)
Alloy Steel Gr 8Moderate / HighHeavy-Duty (Industrial)
Stainless SS304Moderate / MediumPermanent (Outdoor/Marine)
Zinc PlatedFast / HighHigh (Anti-corrosion)
Black OxideFast / HighMedium (Decorative)

Frequently Asked Questions

Q: Can I use Four-Pronged Tee Nuts in hardwoods like Oak or Maple?

Yes, but hardwoods are prone to splitting. We recommend using a slightly larger pilot hole and utilizing a C-clamp to press the nut into the wood rather than a hammer.

Q: What should I do if the T-nut starts spinning during bolt installation?

Spinning usually indicates that the wood fibers have been stripped. You may need to move the hole slightly or use a high-strength epoxy adhesive to reset the nut in place.

Q: How do I choose the correct pre-drilling diameter for M6 T-nuts?

For M6 sizes, we recommend a drill hole between 7.5 mm and 8.0 mm. A hole too small may split the wood, while one too large may compromise the barrel's snug fit.

Q: What are the main differences between DIN 1624 and ASME B18.6.9 standards?

DIN 1624 follows Metric specifications common in European markets, while ASME B18.6.9 follows Imperial/Inch specifications used primarily in North American industrial standards.

Q: Is Stainless Steel SS304 recommended for outdoor furniture?

Absolutely. SS304 provides superior rust prevention and is the ideal choice for outdoor furniture, marine environments, or any area exposed to moisture.

Q: Can these T-nuts be used for rock climbing wall construction?

Yes, our four-pronged T-nuts are the industry standard for securing climbing holds to plywood panels, providing the high-strength connection required for safety.

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