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Old 03-02-2011, 03:58 PM   #4427 (permalink)
Join Date: Mar 2010
Location: New Zealand
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Just wondered what special precautions you need for drilling copper? I vaguely seem to recall that you should grind the drill to a different angle from that used for drilling steel. else it tends to dig in. And what about drill speed?
Sometimes I sits and thinks and sometimes I just sits.
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