D-Nut
(Wood Insert Nut / Threaded Insert)
A threaded metal insert designed to be driven or screwed into wood, MDF, or particle board, providing a strong, durable internal thread for bolt fastening in wooden assemblies.
FEATURES
- External coarse thread for strong grip in wood, MDF, and particle board
- Internal hex socket (Allen key drive) for easy installation
- Flanged top prevents over-insertion and provides a flush or countersunk finish
- Zinc plated finish for corrosion resistance
- Provides a reusable, durable female thread in soft materials
- Allows repeated assembly and disassembly without damaging the workpiece
| Field | Details |
|---|
| Head Type | Wood Insert Nut / Threaded Insert / D-Nut |
| Thread Type (External) | Coarse wood thread (self-tapping into wood) |
| Thread Type (Internal) | Metric — M4, M5, M6, M8, M10 |
| Drive Type | Hex Socket (Allen Key / Hex Wrench) |
| Head Style | Flanged / Countersunk flange |
| Sizes Available | M4 x 10mm, M5 x 13mm, M6 x 13mm, M8 x 13mm, and others |
| Material | Carbon Steel — Zinc Plated |
| Finish | Zinc Plated (Yellow / Gold Chromate) |
| Installation Method | Screw-in using hex key into pre-drilled pilot hole |
Size Guide
|
Insert Size |
Insert Length |
Pilot Hole Dia. |
Material |
|
M4 |
10 mm |
5.0 mm |
Wood / MDF |
|
M5 |
13 mm |
6.0 mm |
Wood / MDF |
|
M6 |
13 mm |
7.0 mm |
Wood / MDF |
|
M8 |
13 mm |
9.5 mm |
Wood / MDF |
|
M10 |
20 mm |
12.0 mm |
Hardwood / Plywood |
MATERIAL OPTIONS
- Carbon Steel — Zinc Plated (standard, most common)
- Stainless Steel — Grade 304 (for moisture-prone environments)
- Brass (for fine woodworking and decorative applications)
APPLICATIONS
- Flat-pack and knock-down (KD) furniture assembly
- Cabinetry, shelving, and MDF furniture
- Speaker boxes and audio enclosures
- Plywood frames and structural wooden assemblies
- DIY woodworking and maker / hobbyist projects
- CNC-routed parts requiring threaded connections