Bolt DIN 912 M8x80 8,8 zinc shawl black

Cylindrical head bolt  is a fastening consisting of a metal stud with incomplete metric thread and a high cylindrical head with an INBUS (hexagon) slot.

Scope The DIN 912 bolt is used for connection and fastening of details, designs in construction and mechanical engineering.

Material high-strength structural alloy steel. High strength class 8,8 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.

Analogs GOST 11738-84, ISO 4762, PN 82302.