A great & useful multi-purpose countersink excellent for cutting into many materials. The rose pattern flutes assure chatter free co
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Good for the money
Cutting edge is in the same axis as the shank, which is more than I can say for my first cheap countersink bit. Not made in USA, but at this price can't expect that. I use ot on wood, and it works pretty good, though it tends to make flower petal (for lack of a better descriptor) shaped holes instead of purely conical ones; not sure if that is a design flaw, a sharpness issue, or user error.