Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of countersunk hex socket wood insert nut internal external thread furniture threaded inserts for wood m6 m8 m10 in China. Welcome to buy bulk high quality countersunk hex socket wood insert nut internal external thread furniture threaded inserts for wood m6 m8 m10 made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.
These countersunk hex socket wood insert nuts (internal-external threaded inserts) are engineered for furniture assembly. Installed into pre-drilled wood holes, they build durable, reusable threaded holes inside solid wood, plywood, MDF and particleboard, effectively preventing thread stripping caused by repeated disassembly. The hex socket drive enables easy installation with an Allen wrench, and the countersunk flange sits flush with wood surface for clean, tidy furniture joints. Widely used for flat-pack furniture, tables, cabinets, bed frames and wooden construction projects.
Core Features
✅ Dual Internal & External Thread Structure: Trapezoidal outer thread firmly locks into wood fibers for strong pull-out resistance. Standard metric inner thread matches furniture bolts perfectly for stable assembly.
✅ Easy Hex Socket Installation: Compatible with standard Allen wrenches. Fast installation and removal without damaging wood boards.
✅ Countersunk Flush Design: Low-profile sunk head ensures no protruding edges, making furniture surfaces smooth, safe and beautiful.
✅ High-Quality Carbon Steel & Anti-Rust Finish: Made of premium carbon steel with yellow zinc plating for high hardness, corrosion resistance and long service life.
✅ Complete Metric Size Range: Available in M4, M5, M6, M8, M10 with multiple lengths. Custom sizes are acceptable for bulk orders.
✅ Reusable Thread Connection: Effectively prevents wood thread damage caused by repeated disassembly, ideal for modular and removable furniture.
✅ Factory Direct Supply : Stable bulk supply, mixed container loading, material test certificates, OEM and private label services available.
Frequently Asked Questions
How to install the wood insert nuts?
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Drill a matching pilot hole in advance, put the insert nut into the hole, fasten it with an Allen wrench until the head is flush with the board surface.
Can the nuts be used outdoors?
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The standard yellow zinc plated version is suitable for indoor furniture. Stainless steel type is recommended for outdoor humid environments.
Do you support customized products?
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Yes, we support custom sizes, lengths and surface treatments for bulk orders.
Are you a real manufacturer?
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We are a professional fastener source factory, providing stable supply and one-stop customized services for global customers.
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