Quote:
Originally Posted by Michael Winters
The cutting tool makes a big difference and the designs are mostly good for corded drills but not so good for cordless. Lots of auger designs on the market but none are designed to make the best use of the power provided by a cordless drill. There are short auger bits on the end of a thin shaft and these will require a lot less power than the continuous auger designs but all are designed for fast cutting and minimize damage from hitting a nail and not for minimizing the power needed from the drill.
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The bits without the flutes going up the shaft seem to bog down the drill when the shavings get jammed up (especially when drilling down).