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Old 05-23-2017, 08:17 AM
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PS making sure the edge goes down the middle of the steel. I made an adjustable deal with a tungsten carbide tipped scribe, but a simple cheap way to mark the edge is to use a drill bit of the same size as the thickness of your steel. Lay drill and steel on dead flat surface and run edge on tip of drill and it will mark the center. A slightly different sized bit will work just do it twice once on each side of the blank and get 2 parallel lines on edge with dead center in the middle of those.

Where you press on the blank as you grind the flats will cause the angle of the flat to change. Want to grind more towards the spine press closer to the spine. Work bare handed. It the steel is to hot to press on it needs cooled or it will lose temper. Unhardened steel it doesn't matter and I use a big rare earth magnet mounted with a small handle and grind with course grit belts and don't worry about steel's temperature as it will all get reset when I HT it.
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