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I wasn't calling anyone anything and certainly didn't mean to start a pissing contest. YES a wheel flooded in coolant is always the best, getting it done on a flooded CNC grinder is better yet! But really, how many of these guys have shops like that around? Now about any medium to large city is...

I conceded that using coolant was the best method, but it can be done without. I spent 13yrs as a machinist, I've built custom automated machines, I've built plastic injection and blow molds, I've run five axis mills I could park three of my f150's on the table. I've even run the ovens used to...

The whole blade should be heat treated from the start, so there shouldn't be any need to ever do anything to them other than sharpen them. As others have said, if there is any discoloration on the sharpened edge, blue or black specifically, then they will need to be re-hardened. They don't HAVE...