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Old 16-05-10, 02:49 PM   #3
pulsechoes
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Join Date: Feb 2009
Location: The beautiful Border city of Carlisle.
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Default Drilling bolts.

You should always use a centre guide. A piece of bar at least 1" thick with a hole the size of the drill You are using and have it firmly clamped to the workpiece with the hole lined up with the bolt, and plenty of cutting compound. I'll agree with You on the "Easyouts". The taper makes the bolt swell and defeats the object, unless you use a skinny one then it snaps!!
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