On Friday, August 5, 2016 at 11:44:05 AM UTC-5, S. Keller wrote:
replying to W. Watson, S. Keller wrote:
best bet is to get an arbor with a quick release collar, it has two posts that
are spring loaded and fit into the hole saw bit and keep it from over
tightening on the arbor threads.
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Actually, Sherlock Holmes helped Watson solve "The Mystery Of The Stuck Arbor" some 11 years ago. The book has been out for a while and there is talk of a movie. It should be exciting. ^_^

[8~{} Uncle Detective Monster