FourPronged Tee Nuts China Factory and Wholesale Suppliers DIN 1624 ASME B18.6.9
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 Standards | DIN 1624 / ASME B18.6.9 / Custom Industrial Specs | Metric Size Range | M3 to M12 |
|---|---|---|---|
| Imperial Size Range | #6-32 to 1/2"-13 (UNC / UNF) | Base Material | Low Carbon Steel (Q195/Q235), Stainless Steel (SS304) |
| Surface Treatment | Zinc Plated (Clear/Blue/Yellow), Black Oxide, Plain | Mechanical Property | High Ductility / High Strength / Rust Proof |
| Hardness Grade | Standard soft steel for optimal prong penetration | Flange Design | Flat reinforced flange for load distribution |
| Application Area | Indoor/Semi-protected/Marine environments | Certification | ISO 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 Grade | Installation Speed | Durability Period |
|---|---|---|
| Carbon Steel Q235 | Fast / High | Standard (Indoor) |
| Alloy Steel Gr 8 | Moderate / High | Heavy-Duty (Industrial) |
| Stainless SS304 | Moderate / Medium | Permanent (Outdoor/Marine) |
| Zinc Plated | Fast / High | High (Anti-corrosion) |
| Black Oxide | Fast / High | Medium (Decorative) |
Frequently Asked Questions
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.
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.
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.
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.
Absolutely. SS304 provides superior rust prevention and is the ideal choice for outdoor furniture, marine environments, or any area exposed to moisture.
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.






