After some searching I found this bit has exactly the profile I need and it's obviously a good price for a carbide cutter. Not sure what happened to the other reviewer's parts but I can only comment on mine and it's been great so far. Some of the yellow paint has chipped off, but I assume I went through 8 linear foot 1/2" plexi. Given the strength of plexi, I don't expect this (or any) bit to last very long. but so far i am completely satisfied with it.
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