Dread using a hole saw? The friction heats up the blade to where it dulls the blade, burns the wood, actually heat-bonds the plug inside the hole saw.

Dread using a hole saw? The friction heats up the blade to where it dulls the blade, burns the wood, actually heat-bonds the plug inside the hole saw.
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Source http://handbookblogger.blogspot.com/2018/02/dread-using-hole-saw-friction-heats-up.html

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