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SKU: BLKA2-DN-M4

M4 Hexagon Domed Cap Nut (DIN 1587) - Black Stainless Steel (A2)

£0.34

Delivery and Shipping 🕐 1 hour from Order to Fulfillment

At Frank’s Fasteners, we aim to bolt your order out the door within 1–2 business days. Orders placed over the weekend or on public holidays will be screwed into the queue the next working day.

If we hit a snag—like stock running low or a part going missing—we won’t leave you hanging. One of our team members will reach out by phone or email to keep you in the loop with an updated delivery ETA.

We ship all orders via Royal Mail 24 as standard, with upgrade options including Royal Mail Special Delivery Guaranteed or courier services. For extra bulky or heavy orders, a courier may be used automatically—we know when it’s time to bring in the heavy-duty tools.

Thread Size
 M4 (4mm)
Thread Pitch
 0.7mm
Material
 Stainless Steel (A2)
Finish
 CB10
Manufacturing Standard
 DIN 1587
Socket Size (J)
 7mm 
Nut Thickness (T)
 3.2mm
Overall Thickness (L)
 8mm

 

The M4 Hexagon Domed Cap Nut (DIN 1587) in Black Stainless Steel (A2) is a speciality fastener designed for applications requiring a secure, enclosed finish. This type of nut features a hexagonal base and a dome-shaped top that conceals the end of the threaded bolt or screw, providing a smooth finish for safety, aesthetic appeal, and protection against damage or dirt.

The A2 stainless steel material ensures corrosion resistance, making it suitable for indoor and outdoor use, while the black coating offers a distinctive look for decorative or practical applications. It's ideal for automotive, architectural, or machinery settings where durability and appearance matter.

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