FIELD: construction.
SUBSTANCE: screw-in tool includes a tool head (3) and a tool shank (4) with an external thread (5) and a supporting area, located between a head (3) of the tool and an external thread (5). According to the invention the supporting area is formed by two conical contact surfaces (6, 8) with different cone angles.
EFFECT: improved placement accuracy and reproducibility of the tool position in the holder.
21 cl, 13 dwg
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