I bought this drill from Amazon in November 2008. It has been very good to me and have achieved everything I threw its way. I'm talking about concrete and metal work. Only for the most demanding job I break out cable Hilti. Cordless Compact Heavy Duty Hammer Drill
Saturday, July 23, 2011
DEWALT DC725KA 18-Volt Cordless Compact Hammer Drill/Driver
This drill is not a bad choice for a homeowner. I think someone who uses a drill on the job would probably do better with lithium batteries. The extra weight of NiCad probably will not be a factor for me, because I will probably use it continuously for several hours, or over my head a lot. NiCd batteries usually last a few years longer than lithium when they are used only for homeowner projects. It is dependent on having good batteries with temperature sensors and a smart charger that does not hold.
Apparently the memory problem with NiCd batteries is not a problem with high load equipment such as drills. And when NiCad retain almost full force until they are exhausted, you would tend to drive them all anyway. They have a higher self-discharge rate than lithium, but you will usually have enough power in the first to the second battery is fully charged when you need it.
Advantages:
Excellent performance you expect from a Dewalt. It is very good trigger control, and even when running at high speed chuck stops immediately when you release the trigger (with a clunk.)
Good work Chuck. It took a 1 / 16 drill bit and there is no wobble. A 3 / 8 keyless chuck makes no sense when a 1 / 2 can do the job well. You are not limited to exercises with the bass turned down to 3 / 8 There seems to be a tendency to put half-inch chuck on exercises that would previously have had 3 / 8, a trend I like.
The apparent temperature sensors in the battery and smart charger are both for and against. On the pro side, the batteries should last a while. My last craftsmen who do not have this advantage lasted less than a year before the batteries were useless.
The grip is comfortable for my hands. It is somewhat nose heavy, but the rest are generally working well.
You can leave a battery in the smart charger indefinitely, as long as it is plugged in. So if you make a project the next day, let it sit over night without damage to the battery.
Cons:
The light position is absurd. You need some that extend about six inches from the chuck so that the light is really something good for positioning. For all 3 1 / 2 inches or less, light is blocked by Chuck and your target is in shadow. Unfortunately the top of most pieces and many exercises I use to fall in the shadow and the light is meaningless. Most manufacturers put lights on the base to avoid this problem.
After heavy use of the first battery, do not believe that it is charged when you use up the other. It takes about 5 hours to fully charge a completely discharged battery, spent most of the time of the dot / dash signal that the battery is too hot to charge. It was in an air conditioned room with a battery that had not been under load. Outdoor or garage during the summer, you may not have the second battery is being charged that day. This is also a problem with lithium batteries, so it's just something you should be aware of. My last exercise was not the problem, but the batteries do not last one year, either. It is a great feature to protect the battery, but it can slow you down if you have a lot of hard work to do.
The hammer may be OK to put Tapcons of manufactured blocks, with a nice whole. For ages poured concrete, it is almost meaningless. The instructions say to use high speed (low torque) mode and puts enough pressure to keep the drill from the jump or it will hang up. To drill in the old concrete is poured around my house, I have to use my big thread 1 / 2 inch hammer drill and put all my weight into it.
All in all, I am satisfied with your purchase. Dewalt makes great equipment and I expect it to last a good bit longer than some other exercises I've owned. I do not buy it to replace my cable rotary hammer. I want a half inch chuck and the power is more than enough.
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