ROTARY CUTTING TOOL - HICARB CORP,US
Jun 05, 1973 · I claim 1. A rotary cutting tool, comprising a generally cylindrical body of solid carbide material having a plurality of helical flutes in its outer periphery, said flutes having a given hand relative to the axis of said body, each flute having a plurality of substantially V-shaped notches therein, said notches each having walls inclined at an angle of from 35° to 45° relative to said axis ...
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