Belt grinder? | Forums
WEBMay 5, 2013. #6. When it comes to "how fast" a belt grinder removes metal, the two biggest considerations are belt type and speed. Next comes size/width of the belt, IMO, and then, even type of platen/contact wheel can make a huge differece. That said, a worn or higher grit belt (220, 400, etc...) may not remove metal faster than a good file ...