SCREW-IN TOOLS AND SLOT FOR SUCH TOOL Russian patent published in 2017 - IPC B23B51/12 B23C5/26 

Abstract RU 2620426 C2

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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RU 2 620 426 C2

Authors

Khajmer, Frants

Dates

2017-05-25Published

2013-01-23Filed