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Old 02-19-2014, 08:51 AM
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Ray Rogers Ray Rogers is offline
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Join Date: Jun 2002
Location: Wauconda, WA
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Screw machine is the shortest, stiffest drill. Those are the ones I prefer. But, obviously, if you are drilling something that needs a deeper hole you'll need a longer drill. In short, its probably best to use the shortest drill that meets your needs. Also, I like the cobalt drills as they seem to last quite a bit longer than the plain HSS without costing too much more...


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Last edited by Ray Rogers; 02-19-2014 at 08:56 AM.
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