22,000 RPM is a little fast for a 1.25" diameter bit. The suggested speed by most charts is 18,000. See:
I've bought a bowl and tray bit for my router - 1/2" shank - bit is about
1.25" across at widest point. I've used it successfully in my 3.25 hp Makita router, but do not have variable speed control, and this big bit is turning about 22,000 rpm. For safety's sake, should I be using this size bit at lower speeds - e.g. using variable-speed control?Dave A
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