Search:

Soaking in mineral spirits might work well too ? I used to drop handguns in a pan of MS and let them soak to get dried oil out of the innards and then re-lube. Worked real well with those.

+1 this post below from Howard @ the perfect edge ;

It's very important to keep your stones clean. Porous stones like the Norton can "load" with "swarf" and become steadily less useful over time....