I have been thinking about this one for a while now How about using the dremel to cut a parallel slot all the way through the blade (as Neillcurrie says above with two cutting disks) I'm sure there's a name for this slot anyway I think it might be easier to do nicely than a dremeled nail-nick Before any health and safety muppets start, make sure you take appropriate measures to ensure your safety while using electricity and water also wear a mask, goggles, jock strap etc etc etc Get a dish and fill it with enough water to touch the underside of the blade Hang on let me take a pic....Its a bit hard to see but the top side of the blade is out of the water and the bottom is touching (Image removed from quote.)
As Crow says by hand would be the best way not to ruin the temper I would use a belt sander and dip the blade in water a lot If you were going to use your dremel you could... see picture belowQuote from: Sparky415 on February 05, 2013, 07:50:28 PMI have been thinking about this one for a while now How about using the dremel to cut a parallel slot all the way through the blade (as Neillcurrie says above with two cutting disks) I'm sure there's a name for this slot anyway I think it might be easier to do nicely than a dremeled nail-nick Before any health and safety muppets start, make sure you take appropriate measures to ensure your safety while using electricity and water also wear a mask, goggles, jock strap etc etc etc Get a dish and fill it with enough water to touch the underside of the blade Hang on let me take a pic....Its a bit hard to see but the top side of the blade is out of the water and the bottom is touching (Image removed from quote.)
I slipped a few times with the file, got a couple of unwanted nicks on the blade and accidentally cut myself in the process, but not seriously.