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M4–M10 Thickened Steel Four Claw Speaker Nut Blind Pronged Insert T-Nut for Wood Furniture 8–17mm 10pcs
M4–M10 Thickened Steel Four Claw Speaker Nut Blind Pronged Insert T-Nut for Wood Furniture 8–17mm 10pcs
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M4–M10 Thickened Steel Four Claw Speaker Nut — Blind Pronged Insert T-Nut for Wood Furniture, 8–17mm, 10pcs
Steel four-claw pronged T-nuts (also called blind nuts, speaker nuts, or hammer-in nuts) create a permanent, high-strength threaded insert in wood, MDF, and plywood by driving four sharp prongs into the surrounding wood fibres. The flanged head sits flush with the surface, and the barrel provides a strong M4–M10 threaded insert for furniture bolts, speaker mounting bolts, and structural timber fastening. The thickened barrel design provides greater pull-out resistance than standard thin-wall T-nuts.
Key Specifications
| Parameter | Value |
|---|---|
| Material | Steel (zinc-plated, thickened wall) |
| Type | Four-claw pronged T-nut (blind insert) |
| Thread Range | M4, M5, M6, M8, M10 |
| Barrel Length | 8mm – 17mm (per variant) |
| Quantity | 10pcs per pack |
| Installation | Hammer-in (prongs driven into wood) |
| Application | Wood furniture, speaker cabinets, structural timber |
Why Choose Four-Claw Pronged T-Nuts?
- Four-claw prongs — four sharp prongs bite into wood fibres on installation; provide anti-rotation and anti-pull-out resistance without adhesive
- Thickened barrel wall — greater wall thickness than standard T-nuts; higher pull-out force and thread strength for structural furniture and speaker cabinet applications
- Flanged head — large flange distributes load across the wood surface; prevents the nut from being pulled through the panel
- Blind installation — installs from one side only; no rear access required; ideal for closed furniture panels and speaker cabinet baffles
- M4–M10 range — covers light furniture assembly (M4–M6) through heavy structural timber and speaker cabinet (M8–M10)
Typical Applications
- Speaker cabinet and subwoofer enclosure driver mounting (M6–M8 — standard speaker bolt thread)
- Flat-pack and DIY furniture assembly — bed frames, wardrobes, shelving (M6–M8)
- Workbench and workshop furniture construction (M8–M10)
- Climbing wall and bouldering hold mounting (M10 — standard climbing hold thread)
- Structural timber joinery and post-and-beam construction (M8–M10)
- Playground and outdoor wooden equipment fastening (M8–M10)
Compatible With
- Standard furniture connector bolts and hex bolts M4–M10
- Speaker mounting bolts M6 (standard speaker driver thread)
- Climbing hold bolts M10 (standard climbing hold thread)
- Wood materials: softwood, hardwood, plywood, MDF (min. 18mm thickness recommended for M8–M10)
- Recommended hole diameter: M4=7mm, M5=8mm, M6=10mm, M8=12mm, M10=14mm
Package Contents
- 10× steel four-claw pronged T-nuts in selected size and barrel length (per variant)
Frequently Asked Questions
- Q: How do I install a four-claw T-nut?
- A: 1) Drill the correct diameter hole through the wood panel. 2) Insert the T-nut from the front face (flange side) with the prongs pointing into the wood. 3) Use a hammer or mallet to drive the T-nut flush with the surface — the four prongs will bite into the wood and lock the nut in place. 4) For best results, clamp the panel and drive from the back using a bolt to pull the T-nut in.
- Q: What wood thickness do I need for T-nuts?
- A: Minimum recommended wood thickness: M4/M5 (8mm barrel) → 15mm; M6 (10mm barrel) → 18mm; M8 (12mm barrel) → 22mm; M10 (17mm barrel) → 25mm. Thicker wood provides better pull-out resistance.
- Q: What thread size do speaker drivers use?
- A: Most loudspeaker drivers (woofers, midranges, tweeters) use M6 mounting bolts. Some larger woofers (12”+) use M8. Check your driver’s datasheet for the correct mounting bolt specification. M6 four-claw T-nuts are the standard insert for speaker cabinet baffle mounting.
