End Mill Sharpening Tutorial Practical Machinist
Jul 12, 2017· End Mill Sharpening Look for the bright point of a dull edge and a bright line of dullness along the flute. Decide if only the end needs to be sharpened or whether the flutes also need to be sharpened. Put magic marker on the cutting edge insert the end mill into the collet and sharpening fixture at 90º by eye.