Український Науково-Дослідний Інститут Авіаційної Технології
Украинский Научно-Исследовательский Институт Авиационной Технологии
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An annular cutter with channels for supply of metal-cutting compound contains in the housing a pusher spring-loaded relative to it. For the purpose of decrease power consumption for supply of metal-cutting compound the channels of supply of metal-cutting compound are made on the side of housing at angle to the tangent to its internal surface to the counter front surfaces of the teeth of circular drill, and pusher is conical with protrusions in the form of pins located at its base.