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madtownidiot · 05-31-2007, 05:51 PM

The only thing for drilling through metal are diamond or carbide bits and hole saws. Make sure it's carbide or diamond tipped or you'll just end up extremely frustrated. Start with a small bit, as in 1/8, as a guide for the 7/8 hole saw.

05-31-2007, 05:51 PM	#11
madtownidiot Member (4 bit) Join Date: Apr 2007 Location: Orange County, CA Posts: 9	The only thing for drilling through metal are diamond or carbide bits and hole saws. Make sure it's carbide or diamond tipped or you'll just end up extremely frustrated. Start with a small bit, as in 1/8, as a guide for the 7/8 hole saw.