Hawera Probst Gmbh

Aresi S.p.a.

Thomas Bernhardt

Marco Lang

Franc Koljaka

Friedmar Dresig

A tool bit for a chisel or a hammer drill, in particular, a insertable chisel or insertable drill for power-driven drill and chisel hammers, has an insertion end, with a chisel shank or drill shank, and a chisel head or drill shank located opposite the insertion end. The diameter of the shank increases in the direction of the chisel head at least once from a first, small diameter to a second, large diameter and decreases again from this to a small diameter or forms at least one bead.

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Aichtal, Germany

Thomas Bernhardt