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FFCobra Master Craftsman
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Drilling holes in brass can be dangerous. The soft metal can be grabbed by the bit and pulled especially large bits. The solution is to grind the relief angle from the bit so it no longer cuts and digs but "scrapes" metal off. A machine shop should be able to help with this. Starting with a small hole and working up carefullyis an alternative. Very interesting the first (only) time I put a large bit in the lathe tailchuck and went at a piece of brass.
TEC
 
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