DIN 1587 6 zinc plated black Cap nut

Cap nut is a nut that covers the threaded part both decoratively and to protect the thread. DIN 1587 can "cover" longer parts of the threaded part of a bolt or screw.

Scope DIN 1587 is used on playgrounds, sports equipment, etc.

Material high-strength structural alloy steel. High strength class 6 allows the use of nuts with high-load connections.

Coating: black zinc cloth. Main characteristics of this coating:

• Organic black topcoat;
• Excellent corrosion protection;
• High hiding power on silver and black base coatings;
• Attractive uniform black appearance;
• Very good chemical resistance; increased UV resistance;
• Excellent adhesion, i.e. the coating does not peel, crack or flake even under mechanical stress or chemical attack;
• Integrated lubricant component for controlled friction characteristics;
• No hydrogen embrittlement;
• Excellent corrosion resistance in NSST and cyclic corrosion tests.

Analog GOST 11860-85