12-13-2012, 01:59 PM
Sure, just as I finished hunting down this article for you. http://rick.sparber.org/emc.pdf Shows using a drill bit ground off as a counterbore.
Full of ideas, but slow to produce parts
How To Make A Flat Bottom Hole
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12-13-2012, 01:59 PM
Sure, just as I finished hunting down this article for you. http://rick.sparber.org/emc.pdf Shows using a drill bit ground off as a counterbore.
Full of ideas, but slow to produce parts
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