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Sometimes I will use thin-walled core bits, but for the large sizes I usually bring out the corded hammerdrill, this one will drill the hole but it is hard on it. This product works great, much better than a different company's 18 volt rotary hammer, although it lacks a chipping or hammer only function. However to be fair SDS+ isn't meant for heavy chipping applications, if you need to do alot of chipping get a spline drive or SDS MAX, they work so much faster. overall a great drill. I cannot accurately say exactly how many holes I get per charge because I drill various hole sizes (3/16"-3/4").
I bought this item because I have almost every Dewalt 18 volt tool there is. If you are drilling several holes, I would recommend the Bosch extreme corded hammerdrill.All in all, the tool is a bit pricy but what isn't now days.Kevin Kluck This completed the 18 volt system. I used it just the other day and it worked like a champ.
And in my case the 18 volt model was the logical choice. If you are lucky enough to do all your drilling in a single location, or if you anticipate doing a lot of chipping or drilling large holes, then go for a corded drill: you'll be glad you did. I seldom drill anything larger than 1/4", so I get a lot of holes out of a single charged battery. Sure; a corded drill hits harder and drills slightly faster, but the disadvantages, at least in my opinion, outweigh the advantages, thus making a battery hammer-drill a viable choice. I have been using a corded sds hammer drill for a number of years and have grown tired of lugging an extension cord around jobsites.
This is one of the lightest sds battery drills available, too. When I'm working from a 12-foot ladder the extension cord adds significant weight to the drill. I already use a DeWalt 18-volt drill/driver and have plenty of batteries (as well as a 15-minute charger). If your job requires you to move around a lot and/or climb ladders, you will soon appreciate this drill. I can charge five batteries in the evening, carry them with me to work and not have to worry about running out of power all day long.
This compact SDS Drill offers great power with a lightweight compact body. Coupled with a rapid 15min charger, you will never run out or power. The 18v power pack gives you enough power to use on most jobs. I went with the 18v over the 24v because i was concerned that the 24v would be too bulky and or heavy to use one handed or leaning to a hard to reach space.
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