FIELD: tool manufacture. SUBSTANCE: the offered cutting tool has body and hard-alloy nose. Body front end has socket. Nose consists of end, cylindrical, flange and bearing parts. Nose is secured by means of flange and bearing parts in body socket. Body socket is formed by respective mating bearing and cylindrical surfaces. Bearing part of nose is in form of successively conjugates conical surface and ball belt. Circular collar is made in form of ring of wear-resisting material. Ring is attached to front end of tool body and installed for possible soldered joint with nose flange part. Flange part of nose is made with centering members of same height uniformly spaced over circumference on its side surface. EFFECT: higher efficiency. 12 cl, 8 dwg
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