7 pc. 4-Flute Deep Hole Set
$ 117.5
Expensive Jennings Bits with 4 flute cutters (now no longer available) were famous for superb function. They cut fast, cleaned chips just as fast and produced smooth-sided deep holes for many thousands of appreciative builders.

These four-fluted bits have been developed to mimic that performance but at a much lower cost. And they have been improved by adding a screw-feed to help pull the bit through the stock and by using short 4-twist sections (about 3 long), which requires much less power.
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