FIELD: mining industry; applicable in manufacture of cutting tools for mining and road-building machines. SUBSTANCE: method consists in that prior to installation of reinforcing insert, holder opening is preliminarily calibrated by local deformation of holder exterior conical part with presence in holder opening of control gage. Then, reinforcing insert is pressed-in. For performance of local deformation, process bulges are made on holder conical part. Local deformation may be made with the help of reducing die provided with process projections or by tool roller. EFFECT: prolonged service life of tool due to reliable fastening of reinforcing insert and reduced expenses for its manufacture. 4 cl, 1 dwg
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