As a matter of full transparency, I use this exercise as a DIY homeowner on small projects. This drill was my upgrade to the world of pro-grade power tools from Cheapo 14.4V Black & Decker drill. I upgraded mainly because I was frustrated about having to drill holes for lag screws all the time because of lack of power. In addition, my former so-called variable speed drill only had two speeds, ie 400 or 800 revolutions per minute, there's nothing in between, so I was constantly stripping screw heads. After some serious research on Makita, Milwaukee, Hitachi, and Dewalt, I chose the Dewalt. Why? Because of the power and design of the tool. Dewalt uses its own measurement of torque (unit watts out), while most other companies list a maximum torque in ft-lbs. In my opinion the best I equate UWO to the amp rating of the audio receiver. The recipients list many companies have their amp rating with only one channel driven. Seldom that companies list amp rating with all channels driven. UWO, for me, Dewalt real world continuous torque, just as all channels driven into an amplifier. So for this exercise, even if Dewalt lists it at 410 UWO, I think this probably corresponds to nearly maximum torque of 450 ft lbs if not more. In addition, I really like the fact that DeWalt uses all Metal Gear and it has solid magnetic building in its engine.
Regardless of the cause. Although most companies have wholeheartedly taken Lion Technology Dewalt chosen to slowly move into it and therefore still has a large number of tools with NiCd batteries, I really debated on the Ni v Lions thing. But really, for my purposes, I doubt that I will use the drill so much that I will use up two batteries. I really like to have a back-up battery stops charging issues. Of course there is a weight problem, but again, for me is a difference in weight of 6-8 grams is not a game breaker.
The next drill was DC720KA Hitachi DS18DSAL. Really solid construction drill with good power. Unfortunately, from a purely superficially, Hitachi looks like a toy with green trim. So I went with the Dewalt. When it comes to real performance, very happy so far. Unable to drill 2 "long - 1 / 8" dia. screws, studs without a pilot, no problem. This parasite has power. Really like the LED light. The extra heft of NiCd drill gives really good balance. Trigger felt right and was able to modulate the speed very accurately (true variable speed!). I hope this review helps, as other studies that just seems to spout from Dewalt sucks or "it is not lithium, so it sucks" comment.
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