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Unread 08-12-2016, 08:51
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FRC #3452 (GreengineerZ)
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Re: drilling larger holes in aluminum

Quote:
Originally Posted by James3245 View Post
Is it best practice to use a starter hole or does a step bit make it unnecessary?
I'm not sure if it is necessary, but it does make it easier in my opinion. Just a hole so when you start drilling, it doesn't move around.

And a step bit has multiple layers usually, so after you drill with one, it kinda skips to a wider layer, and you can feel that drop. So you can either count the drops, or every once in awhile stop the drill and see what number shows up for that section you are in, if that makes sense.
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