Originally Posted by
Sam Takeuchi
6" at 3450 is 5419ft/m
8" at 1725 is 3613ft/m
That said, I have a slow speed 8", if I were buying again, I would have gone with high speed 6". But if you are afraid of burning the blade, might as well just buy slow speed grinder. It'll do anything high speed grinder will do, just slower.