Beside what others have stated, there are two more very important reasons... Short length of the fluted section of the drill. Longer carbide drills are much easier to break. Constant - standard, .125" dia shank on all the bits. THis is good for use with small Dremel type tools as they can take 1/8" shank tools. It is also good for use in many drill presses, not all 3 jaw chucks can clamp down to 1/16" or smaller. Chris
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Re: wheres a good source for drill bits for PCB's??
2005-11-09 by lcdpublishing