Summary: I bought this M12 drill/driver for home use in November, 2011 hoping that the chuck loosening problems mentioned in reviews from a few years ago had been fixed by Milwaukee Tool. Everything was fine for awhile, then it happened. The chuck loosened and the screwdriver bit hit the floor.
Feels Great, Chuck is Quirky But Can be Changed--See Update
Practical Desk, Amazon
5 April 2012
Summary: I bought the drill with an extended battery , I also have one in my M12 Screwdriver and it lasts a super-long time. The chuck is a bit quirky: following the instructions per Milwaukee's manual does not guarantee the chuck will hold the drill bit in place.
Summary: This is a lovely drill ! The chuck is superb, and can be racheted tight with one hand. Here's the 'problem' with the chuck: IF the spinning tool has high rotational inertia, it will over-run the drill's mechanism when the drills trigger is abruptly shut off, the drill's rotational brake then shocks...
Drill Failed After Two Months - Poor Batery Performance
24 February 2012
Summary: Like many of the earlier reviewers prior, I too am disappointed in the overall performance of this drill/driver as the batery drain very quickly but now fails to charge after only two months of use.