DIN 934 8 zinc platkov black Hexagonal nut

Hexagonal nut is a fastener with a thread that forms a connection with a screw, bolt or stud.

The scope of DIN 934 is used for fastening and connecting parts with bolts, screws and other hardware in mechanical engineering and construction.

The material of manufacture is high-strength structural alloy steel. The high strength class 8 allows the use of nuts in highly loaded connections.

Coating: black zinc plating.

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;
• Built-in lubricant component for controlled friction characteristics;
• No hydrogen embrittlement;
• Excellent corrosion resistance in NSST and cyclic corrosion tests.

Analogues of GOST 5915-70, GOST 5927-70, ISO 4032