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Application filed by Київський Авіаційний Технікум, Киевский Авиационный ТехникумfiledCriticalКиївський Авіаційний Технікум
Priority to UA2000105915ApriorityCriticalpatent/UA38808A/en
Publication of UA38808ApublicationCriticalpatent/UA38808A/en
Processing Of Stones Or Stones Resemblance Materials
(AREA)
Abstract
The invention relates to machine building. A drill is made in the form of a stem with asymmetrical cutting part with teeth, in accordance with the invention, the asymmetrical cutting part is formed by teeth with different sizes of rear cutting edge angles, and in this case the transverse cutting edge is made with a shift from the axis of drill.