12-09-2017, 04:21 AM
The most important thing to look for in the drill is UWO you want to get close to 800. I can tell you from experience with a 20 volt 4 amp drill that only had 500 UWO it burns up the motor after 1 or 2 holes but got the better 820 UWO motor also 20 volt and 4 amp battery and it makes all the difference can drill dozens of holes no problem
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