Part of replaceable milling and drilling heads for computerized numerical control (CNC) milling machines

Abstract

The present design relates to a portion of replaceable milling and drilling heads for computerized numerical control milling machines having three straight, parallel coolant holes; the article has threaded ends for connecting to shanks of replaceable milling machine heads; opposite the threaded ends are cutting ends for machining workpieces that have one or more cutting edges and flutes of different shapes; the three parallel coolant holes, as well as the threaded ends, represent the features of the design for which protection is sought; the cutting ends highlighted in purple are disclaimed; the disclaimed parts of the design highlighted in purple are for illustrative purposes and do not form part of the claimed design.

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