This tool is used to make deep, square cuts into the workpiece. They usually come in sizes of 3mm, 6mm or 10mm and the cut they make will be equal to this |  |
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3D model of a Parting tool: | |
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The parting tool has a simple rectangular profile. Its V shaped cutting edge is usually ground at an angle of 25 degrees |  |
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Try to avoid scraping rather than cutting the material, keep it's bevel rubbing while being fed into the work
