Dom Nuts
Closed-end domed nuts that cover exposed bolt threads for a neat, safe finish.
About our dom nuts range
A dom nut is a hex nut with a rounded, closed-end cap that covers and protects exposed bolt threads. It gives a neat finish while preventing thread damage, corrosion and injury from protruding bolt ends. Dom nuts are used in automotive, machinery, furniture and decorative assemblies.
Common sizes we supply: M5, M6, M8, M10 and M12 dom nuts in SS and zinc-plated steel.
Also known in the trade as: Dom nut, Dome nut, Acorn nut, Cap nut, Cover nut, Blind nut.
Available makes
Technical specifications
- Also Known As
- Acorn nut · Cap nut
- Standard
- DIN 1587
- Material
- Stainless steel · Carbon steel · Brass
- Applications
- Automotive, machinery, furniture and decorative fastening
Finishes available
Zinc Plated – White / Clear
Bright silver electroplate for indoor corrosion protection.
Nickel / Chrome Plated
Bright decorative finish for visible assemblies.
Stainless Steel SS 304 (A2)
Natural finish; general corrosion resistance for food, pharma, and outdoor use.
Stainless Steel SS 316 (A4)
Molybdenum grade for marine, chemical, and coastal environments.
Dom nut size chart (DIN 1587)
| Size | Pitch (mm) | Across Flats (mm) | Overall Height (mm) |
|---|---|---|---|
| M5 | 0.8 | 8 | 10 |
| M6 | 1.0 | 10 | 12 |
| M8 | 1.25 | 13 | 15 |
| M10 | 1.5 | 17 | 18 |
| M12 | 1.75 | 19 | 22 |
| M16 | 2.0 | 24 | 28 |
| M20 | 2.5 | 30 | 34 |
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