I am building a drill bit. A special drill bit for a homemade well drilling rig. I have the bit done and I have coated the cutting edges with carbide to reduce wear on the bit. Now I need to figure out how to sharpen it. My grinder will not seem to cut the carbide.
I tried using a hand grinder and a file but neither seems to cut the carbide to put an edge on it.
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just close the question