This cutter was used for deep cuts in sheet aluminum. The cutter (3/8β³ diameter) worked very well, cutting the full .25β³ width, depth of cut per pass at approximately (power supply, non-CNC) .003 per chip tooth. I used a straight plunge to start the cut and it worked just as well, but if you have a CNC I would use the plunge strategy. sharp as new (when I dropped it on the floor in the tool holder and it broke π). Using the water cooling system throughout the process and holding the water made a huge difference in the quality of the cut. Chip control was good and the surface quality on the finishing pass was excellent. I bought a few more to have on hand for future work. Great cutter at this price.
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