Hilti Aktiengesellschaft

Frank Ansch&uuml;tz

Hubert Forster

Thomas Doppelbauer

Herbert Kaufmann

Helmut Fuchs

A dowel bolt is formed of a bolt ( ) and has at the trailing end an outer thread ( ) and on the leading end an expansion head ( ) expanding in the setting direction (S) and an expansion sleeve ( ) that can be expanded by the expansion head ( ). At the trailing end face ( ) directed away from the setting direction of the bolt, the bolt has at least one peripheral recess ( ) with a depth (t ) providing a setting control and that can be economically manufactured.

Growing community of inventors

Schaan, Liechtenstein

Frank Anschütz

Growing community of inventors

Schaan, Liechtenstein

Frank Ansch&uuml;tz

Frank Anschütz