Aluminium oxide stones, do you lubricate them? Box says not to but that seems odd to me.
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WD40
The reason to lubricate the stone is so it does not clog the pores of the stone.When a stone clogs it does not let the abrasive cut properly ,light oil is good, wd -40 ,liquid wrench is also good and also helps clean a dirty stone.
Yeah....it floats out the metal shavings so the stone can continue to do its job.
I beg to disagree. Windex or a similar soapy/cleaning solution provides lubrication and doesn't build up.
MAP
I use cutting oil I haven't tried WD40 going to have to try it.