ISO 7380-1 10.9 zinc plated black Bolt with semicircular head and hexagon socket

A bolt with a semicircular head is a fastening consisting of a metal stud with a full metric thread and a semicircular head with an internal hexagon.

Scope The DIN 7380-1 bolt is applied in industrial and industrial spheres (very popular in furniture production).

Material high-strength structural alloy steel. High strength class 10.9 allows the use of bolts for 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.