Originally Posted by
AUSTINMACHINING
I've used the 3 flute ZRN coated for LSC, and they work well, but for 1/2 the cost you can get YG-1 alupower end mills uncoated and very sharp. They leave a beautiful surface finish. I get them through suncoast tools. I do think LSC makes the best chamfer/drill mills.
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I also use the YG-1 AluPower end mills, and to date they are the best cutting end mills I have ever found with one exception and a Tormach doesn't have the horsepower or the rigidity to effectively use that other end mill.
You can buy GOOD PARTS or you can buy CHEAP PARTS, but you can't buy GOOD CHEAP PARTS.