Hilti Aktiengesellschaft

Andrea Müller-Grunz

Steven Moseley

Herbert Danninger

Christian Gierl-Mayer

Arno Glaser

Wolf-Dieter Schubert

Ralph Useldinger

Siavash Momeni

Robert Hellein

Christian Gierl-mayer

A tool for machining materials has a main part and one or more blades. The main part is made of a low-alloy steel. The socket is welded to the main part, and the blade edges are made of a hard metal. The hard metal contains at least 82 vol. % of tungsten carbide and a metallic binder made of a cobalt-nickel-based alloy. The hardness of the hard metal is greater than 1350 HV10. The socket has a sintered composite, and 40 vol. % to 60 vol. % of the composite is composed of a metal carbide and a metallic binder. At least 95 vol. % of the metallic binder is made of nickel, and the hardness of the composite is less than 800 HV10.

Tool

Growing community of inventors

Differange, Luxembourg

Andrea Müller-Grunz