Hammer drill won't get you very far, since it isn't a drill. They call it an "auto hammer", and it's basically a cordless palm nailer. I'd have to see how many nails it could drive on a charge, and how fast it could drive them. From the video, it doesn't look very fast. I could probably drive the nail with a hammer faster, so the only thing it would really be good for is to have around for those times when you don't have a gun rolled out, can't quite get the nail in with a hammer, and don't want to roll out the compressor, hose, and palm nailer. If you already have a gun rolled out, it's just as easy to swap in the pneumatic palm nailer.
The part where the guy is using it to do roofing is comical though.:thumbsup:
Yeah I dont know why I called it a Hammer Drill. The roofing part also makes no sense. I thought it could come in handy on some siding projects because I worked on one wehre the soffit was at a 45 degree angle two feet over and I couldnt for the life of me get a nail to sit into the J-Channel right.
If you have a gun rolled out, then using a palm nailer will be just as easy. If you do a fair amount of nailing in tight spots, and don't have a gun rolled out, you will get more use out of this thing.
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