FIELD: machine building.
SUBSTANCE: invention relates to a threaded insert for cylindrical smooth hole of part A1 comprising a cylindrical body which includes the inner hole of truncated cone shape and at least one longitudinal slot passing into the cylindrical body and providing for the communication with the inner hole of truncated cone shape, the threaded insert also comprises a core of truncated cone shape mating the inner hole of truncated cone shape in the cylindrical body, the said core comprises the inner threaded aperture, the cylindrical body and the said core are made so that to hold the said threaded insert in the specified position and to fix it in the said cylindrical hole in order to provide the above cylindrical hole with inner fastening.
EFFECT: joint improvement.
14 cl, 17 dwg
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