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dscf2967.jpg | Hits: 384 | Posted on: 2/20/10
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Once all the holes were roughed out I ground the sides smooth, straight, and square with a tungsten carbide burr in my die grinder. I use a short burr to get the ports close and a 6" long burr to finish them. The extra length lets me see what I'm doing and makes it easier to know that I'm square to the surface. I wear gloves for this because the carbide throws a lot of small razor sharp steel slivers. Even with the gloves I spent awhile with tweezers picking them out of my hands. Otherwise they rust in place and you get what I call carbide freckles.
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