Nuts
DIN 1587 Cap Nuts
DIN 1587 cap nuts, also called acorn nuts or dome nuts, feature a closed domed top that covers exposed bolt threads for a clean and protective finish. SENOTECH supplies carbon steel, stainless steel and brass cap nuts in metric sizes with zinc plated, nickel plated and customized finishes.
Specifications
- Standard
- DIN 1587
- Product Name
- Cap Nuts
- Product Type
- Hexagon Cap Nut / Acorn Nut / Dome Nut
- Material
- Carbon Steel, Stainless Steel
- Surface Finish
- Zinc Plated, Nickel Plated, Plain, Customized
- Application
- Machinery, Furniture, Architectural Hardware, Railings, Industrial Assembly
- Customization
- Available
The closed dome design covers the exposed end of a bolt or threaded rod, helping protect the thread while providing a smooth finished appearance. This makes cap nuts especially suitable for assemblies where exposed threads could affect appearance, handling or surrounding components.
DIN 1587 specifies high-type hexagon cap nuts with coarse and fine metric threads in nominal diameters from M4 to M24.
SENOTECH supplies DIN 1587 cap nuts, also commonly searched as acorn nuts, dome nuts, hex cap nuts and domed nuts, for distributors, construction hardware buyers, machinery manufacturers and OEM projects.
Materials & Finishes
Common options include:
- Carbon Steel
- Stainless Steel 304 / A2
- Stainless Steel 316 / A4
- Brass
- Zinc Plated
- Nickel Plated
- Plain Stainless Steel
- Customized Surface Treatment
DIN 1587 covers steel, stainless steel and brass material options.
Stainless steel cap nuts are particularly suitable for outdoor, architectural and corrosion-sensitive applications, while plated carbon steel provides an economical solution for general industrial fastening.
Applications
DIN 1587 cap nuts are widely used in:
- Machinery and equipment
- Furniture hardware
- Architectural hardware
- Railings and guardrails
- Electrical equipment
- Automotive components
- Outdoor installations
- General industrial assemblies
The closed design makes them particularly useful where buyers require both thread protection and an improved finished appearance.
OEM & Custom Supply
SENOTECH provides standard metric cap nuts as well as customized solutions according to drawings and purchasing specifications.
Different materials, thread sizes, finishes and packaging options are available for fastener distributors, hardware wholesalers, OEM manufacturers and project buyers.
