Shoot go ahead and try
Seriously, use a 240 from 120 is fine, I do it and have done it. On your last grinds with 120 go light. Where the belt cleaner really works well is on the higher grits that clog up easier.
Now for the last few years I use a tiny bit of cutting wax. I mean tiny bit. I will rub it on the belt by hand and get it across the whole belt and lightly grind. It will spread itself. Whatever you do don't put it on while the belt is running straight from the tube or you'll have a big mess. A little goes along ways or is cutting wax too expensive there too?
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A tube lasts for a long time, I've had mine for 8 years and use in on my bandsaw for cutting metals too. I use it to tap and thread screws with a little bit of Tap Magic added. It is called Stick Kut, but there's dozens of types and some are made for grinding like this stuff is. By the way, don't mix your metal belts with lube on them with your wood belts if you can help it as it tends to leave little pieces of metal mud in the wood.
Last edited by jimmontg; 02-26-2021 at 08:59 PM.
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