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Ever tried attaching a sofa leg to a metal bracket with regular screws? The nut side always slips, or you can't get enough thread engagement. These M6 M8 M10 hanger bolts solve that annoyance. One end has aggressive wood threads that bite into your furniture frame or wooden wall stud – the other end is a machine thread ready for a nut. And the Torx drive plus hex middle section? That means you can actually torque it down without stripping. Designed for mounting TV racks, pipe shelves, heaters, boilers, or replacing broken legs on sofas and chairs. Zinc plated so you can use them indoors or out without rust.
Headless hanger bolt design – Wood screw thread on one end (self‑tapping into wood or soft materials), machine thread on the other for a nut. Perfect for creating a permanent stud in wood.
Torx star pattern tip – Grips your driver better than Phillips or slotted. Less cam‑out, fewer stripped heads, and you can really crank it into dense hardwood.
Hexagon middle section – Use a wrench to drive the bolt into wood without touching the machine threads. No more marring threads with pliers.
Zinc plated steel construction – Alloy steel with a protective zinc coating. Resists rust and corrosion, so these M6 M8 M10 hanger bolts work for both indoor furniture and outdoor mounting jobs.
Self‑tapping wood end – Sharp tip and aggressive threads bite into wood, MDF, particle board, even some soft masonry (pre‑drill required for concrete or brick).
Metric sizes M6, M8, M10 – Choose the right diameter for your load. M6 for lightweight shelves, M8 for furniture legs, M10 for heavy boiler or heater mounts.
| Material | Zinc Plated Alloy Steel |
|---|---|
| Type | Headless Hanger Bolt (Wood thread + Machine thread) |
| Available Sizes (Metric) | M6 / M8 / M10 |
| Drive Type | Torx star pattern at wood thread end |
| Hex Middle Section | Yes – for wrench installation |
| Wood Thread End | Self‑tapping, sharp tip for wood, MDF, particle board |
| Machine Thread End | Standard metric thread for nuts (nut not included) |
| System of Measurement | Metric |
| Application | Furniture legs, TV mounts, pipe shelving, boiler brackets, wall/ceiling mounting |
Yes – always pre‑drill a pilot hole about 1/32" smaller than the wood thread diameter. For M6, use a 4.5mm or 5/32" bit. For M8, use 6mm or 15/64". For M10, use 8mm or 5/16". Pre‑drilling prevents splitting and makes installation 10x easier. Depth should be slightly deeper than the wood thread length.
Here's the trick: thread two nuts onto the machine end, lock them together (jam nuts), then use a wrench on the inner nut to drive the wood end into your pilot hole. Once it's fully seated, hold the hanger bolt with pliers on the hex middle section and remove the jam nuts. Or simply use a wrench directly on the built‑in hex section – that's why it's there.
Yes – the zinc coating provides good corrosion resistance for outdoor applications like mounting fixtures to wooden decks, attaching outdoor furniture legs, or installing sign brackets. For constant salt spray (coastal areas) or ground contact, upgrade to stainless steel. But for most covered porches, garages, and seasonal outdoor use, these will hold up fine.
Absolutely – that's one of the most common uses. Drill a pilot hole into the wood frame of the sofa, screw the wood end in until the hex section sits flush against the wood surface. Then place the metal leg bracket (or new leg plate) over the machine thread and secure with a nut and washer. Solid repair that won't wobble again.
For most TV mounts (under 80 lbs), M8 x 50mm to 70mm hanger bolts are ideal. Drill into the wood stud at the center, drive the wood end until snug, then the machine end sticks out to accept the TV bracket's nut. For heavier mounts (80-150 lbs), go with M10. Always verify your bracket's hole size first – some are designed for M6.
