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Smallest annular cutter you've seen


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So we've got a job we're doing in a really thin composite on a vacuum table with a router, and having trouble holding hole sizes. I'm wondering if a nice sharp annular cutter would do the job, but the holes are pretty small,  .289-.295 and .189-.193. Has anyone ever seen one that small? Part of the problem is needing to maintain vacuum during the cut, so when the material gets cut away air can get in through flutes and the edges tear more with less holding force. Using a brad point now and holding size in most of the time, but still lose a few holes here and there due to the material twisting up on the web when it loses vacuum.

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