| 摘要 |
The invention relates to a tool holder for a hand-held drill, especially a hammer drill. Said tool holder comprises an especially one-piece, rotatably driven accommodating cylinder (34) with a recess (60) for a shank part of an insertable tool, said recess (60) being open on both front ends and being defined in between by an inner peripheral surface (62) of the accommodating cylinder (34). The inner peripheral surface (62) of the accommodating cylinder (34) has at least six planar peripheral sections (62n to 62u) in the peripheral direction, adjacent peripheral sections (62n, 62o; 62p, 62q; 62r 62s; 62t, 62u) forming respective angles of 120 degrees between them.
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