B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 31/02 (2006.01) B25D 17/08 (2006.01)
Patent
CA 2116936
ABSTRACT OF THE DISCLOSURE A tool bit to be inserted into a tool bit chuck of a hand tool used for chiseling, drilling and/or percussion drilling has an axially extending chucking shank with two locking grooves closed at the ends spaced apart in the axial direction, and two rotary entrainment grooves open at a free end of the shank. In addition, two rotary entrainment faces are located in the areas of the locking grooves.
Neukirchen Axel
Pauli Heinrich
Selb Michael
Gierczak Eugene J. A.
Hilti - Aktiengesellschaft
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