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Thread: What are stepped drill bits
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12-21-2006, 08:02 PM   #1 (permalink)
v8shadow
 
Join Date: Oct 2005
Location: Portage, Indiana
Posts: 2,183
What are stepped drill bits
used for?? I keep seeing them on restoration shows and whatnot. I dont understand thier purpose over a regular drill bit when it comes to drilling metals.
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