| From: | Teresa E Fortman <bratboys1-at-juno.com> |
| Subject: | Re: drilling aluminum, imperfect circle [TANKS] |
| Date: | Sun, 21 Jan 2007 18:38:22 -0800 |
| Reply-To: | tanks-at-rctankcombat.com |
|
Is a black oxide bit stronger then cobalt? I would try cobalt if it
is, they usually get me through very thick steel I imagine aluminum is even
easier.
Nick
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