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My local auto repair shop has been using a Milwaukee cordless electric impact wrench for some time now and their air CP wrench is pretty much retired. There's far less compressor noise and no hoses on the floor and the owner's claim was that power was at least equal to the old CP. I liked the idea but pushing near $1000 with a couple of spare batteries it was not an option for me, so I held my nose and bought the knock off from Harbor Freight for $259. It came with one battery and a charger.
I've been looking for challenges for it and so far have found none. It merely spins off lug nuts with no "hammering" at all. Same for the differential pinion nut on the TR3. No chance of counting the turns though, even with the mark I put on the socket. Perhaps I'll go a bit lighter on the trigger next time.
The biggest advantage is that since I don't leave the air on in my garage, whenever I need an air tool I have to start the compressor, uncoil the hose and wait for pressure to build. Now I just grab the cordless tool and go. Of course hope that I've charged the battery.
Just so you'll know that I'm not plugging Harbor Freight and I've only had the tool for a couple of days so know nothing about longevity, I'll mention the impulse purchase I made when I picked up the wrench. It is a plastic "tear drop" hammer and a real piece of c**p. Cheap of course at less that $10 but so poorly made that I'll need to hide it. You can see clearly in the picture below the sheet rock screw that holds the head on the handle. The picture is from their on-line catalog.
Tom
I've been looking for challenges for it and so far have found none. It merely spins off lug nuts with no "hammering" at all. Same for the differential pinion nut on the TR3. No chance of counting the turns though, even with the mark I put on the socket. Perhaps I'll go a bit lighter on the trigger next time.
The biggest advantage is that since I don't leave the air on in my garage, whenever I need an air tool I have to start the compressor, uncoil the hose and wait for pressure to build. Now I just grab the cordless tool and go. Of course hope that I've charged the battery.
Just so you'll know that I'm not plugging Harbor Freight and I've only had the tool for a couple of days so know nothing about longevity, I'll mention the impulse purchase I made when I picked up the wrench. It is a plastic "tear drop" hammer and a real piece of c**p. Cheap of course at less that $10 but so poorly made that I'll need to hide it. You can see clearly in the picture below the sheet rock screw that holds the head on the handle. The picture is from their on-line catalog.
Tom