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Old August 15, 2007, 03:01 PM
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Join Date: Jul 2007
Location: Toronto, ON
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Quote:
Originally Posted by enaberif View Post
Incorrect. For a bit the size of a hole saw you will usually need to center punch the middle to allow the bit to stay centered. If you don't have a center punch then you have to drill a series of smaller pilot holes to allow the drill to stay centered and not wander.
Hmm, well never had an issue with my ~80mm one.
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