Product Name

Zinc Plated DIN1587 Hexagon Doom Cap Nut Acorn Nut 

Details Information

Introduction

Metric DIN 1587 hexagon domed cap nuts are often referred to as acorn cap nuts. These nuts have a smooth rounded headthat covers the hex nut base. The domed surface protects the bolt threads underneath while providing a finished appearanceand may improve safety in certain circumstances. 

This acorn nut (also known as a doom cap nut) conforms to DIN1587, a German industrial standard ensuring precise dimensions and consistent performance. Crafted with a hexagonal base for easy wrench tightening, it features a domed top that fully encloses the exposed end of a bolt or screw, serving both protective and aesthetic purposes. The zinc-plated finish enhances corrosion resistance, making it suitable for indoor, outdoor, and mild moisture environments, while also improving surface durability to withstand daily wear.

 Features 

Metric Dome Nuts (also known as Acorn Nuts or Crowned Hex Nuts) feature a domed top which conceals 

the threads. The dome of this component acts as a protective barrier, preventing unwanted contact with 

other components and giving fastenings a well-finished appearance.

 Applications 

Acorn nuts are used to cover and protect exposed threads. Common applications: motorcycles, industrial machinery, plumbing, machine construction, biogas, finish work.