solder_guy Posted May 21, 2007 Share Posted May 21, 2007 I was wishing to drill a hole for my new battery cut off switch .. and it requires a 1" hole .. so a friend loaned his two step drill bits .. Made the project go so smoothly .. so easy to use! I started with the smaller diameter step bit and then used the larger bit to get the right size! Now I have a perfect hole size for my cut off switch. Very pricy though .. glad he had them for me to borrow! Rob Mitchell http://www.usa7s.com/aspnetforum/upload/759812614_step drill bit.bmp http://www.usa7s.com/aspnetforum/upload/1356498440_step drill bit2.bmp Link to comment Share on other sites More sharing options...
slngsht Posted May 21, 2007 Share Posted May 21, 2007 also called unibits. They do work great Link to comment Share on other sites More sharing options...
powderbrake Posted May 23, 2007 Share Posted May 23, 2007 They are the BEST way to make round holes in thin sheet metal. They work grat on thicker stuff too. Link to comment Share on other sites More sharing options...
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