Reply by waho6o9

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Posted on Drill bits

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8190 posts in 2574 days

#1 posted 11-09-2012 03:27 PM

Machine grade cobalt bits are great for metal working.

Ebay has some good deals on them, but you should
check around to get an idea of the composition of the bit
compared to price.

Feeds and speeds, slow with a steady pressure and a lubricant
will cut through metal.


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