Black HCP Cap Nut – DIN 1587 (M6/M8)

Corrosion-resistant black steel cap nuts for neat, visible fixings

Finish timber and metalwork with a clean, uniform look using these black HCP-coated cap nuts. Built to DIN 1587, they pair perfectly with black coach/slot bolts and other metric fasteners. The High Corrosion Protection finish delivers durable outdoor performance with a deep black aesthetic—Chromium VI-free and RoHS-compliant for responsible specification. Supplied in 25-piece packs for professional or DIY use.

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Product Information

• Material: Steel

• Finish: Blackened with HCP coating

• Size/Dimensions: M6; M8 (metric thread)

• Fixing/Mounting: For use on metric bolts/studs; caps the exposed thread end

• Variants/Colours: M6, M8 (black)

• Use: Complements black coach/slot bolts and visible exterior fixings

• Packaging: 25 pcs per pack

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Product Features

• DIN 1587 cap nuts for a tidy, domed end on exposed threads

• HCP coating for strong corrosion resistance at minimal layer thickness

• Deep black finish suits visible hardware and industrial styling

• Chromium VI-free, RoHS-compliant coating for safer specification

• Matches black fasteners for a cohesive, professional appearance

• Available in M6 and M8—two core sizes for common assemblies

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Suitable For

• Gates, pergolas and exterior joinery

• Black coach/slot bolts on doors, shutters and furniture

• Visible fixings on rustic or industrial projects

• General metric assemblies needing a neat, capped finish

Installation / Styling / Care Tips

• Select M6 or M8 to match the bolt thread; tighten with a correctly sized spanner.

• Avoid over-torque to preserve the black HCP finish.

• Pair with black washers and bolts for a consistent look; wipe clean after install.

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A small component with a big visual payoff—these cap nuts bring lasting protection and a smart black finish wherever details matter.

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