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In my blog earlier this week on drilling holes for bench dogs and holdfasts I mentioned a 3/4”-diameter up-cut spiral bit we use in a plunge router to make perfect holes.
Several readers have asked where to get this magic router bit.
The bit is made by Onsrud, has a 1/2” shank and can be purchased a couple places. Woodcraft, carries it, although the bit (#03K53) is sometimes back-ordered in our experience.
It’s also available at Lee Valley Tools. The bit (86J01.42) is always in stock and goes out the next day.
Hope this helps. Happy routing! (I’ve never written that sentence before.)
— Christopher Schwarz
