DIN 7991
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Countersunk head hexagon bolts feature a flat round head with a recessed inner hexagon that can be easily installed using an Allen wrench or hexagonal wrench. Hexagon socket head bolts provide a secure and reliable connection and are ideal for applications requiring high strength and precision. Conformity to DIN 7991 ensures consistent quality and compatibility with other DIN 7991-compliant components. Blackening is a common chemical surface treatment. The principle is to form an oxidized film on the surface of the metal, insulating it from air and preventing rust. Blackening extends the life of the bolt and provides better protection against rust than ordinary bolts.
Countersunk head hexagon bolts feature a flat round head with a recessed inner hexagon that can be easily installed using an Allen wrench or hexagonal wrench. Hexagon socket head bolts provide a secure and reliable connection and are ideal for applications requiring high strength and precision. Conformity to DIN 7991 ensures consistent quality and compatibility with other DIN 7991-compliant components. Blackening is a common chemical surface treatment. The principle is to form an oxidized film on the surface of the metal, insulating it from air and preventing rust. Blackening extends the life of the bolt and provides better protection against rust than ordinary bolts.
