Bought these bits to try out a few small projects made on my CNC router. I found that the cutting edges of the bits weren't as sharp as I expected, especially compared to the brand name bits I'm used to. Also, 2 of the 4 cutting edges of the attachments were not properly centered, making the cut very rough and uneven. If you're looking for a cheaper bit set to get you started with a small CNC router then this set might be for you, but if you're looking for durability and precise cuts I'd recommend looking elsewhere.
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