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Hitachi WR22SA 850 W (max. output) Hitachi powerful motor and Class-top tightening torque 610 Nm (5,390 in-lbs.) More durable double-insulated motor thanks to highly strong (rigid) aluminum die-cast body Slip-resistant and comfortable soft grip handle Large bumper protects the outside Convenient rocker switch with forward / reverse changeover Grip end is shaped like a finger stopper for portability Externally accessible carbon brushes for easy replacement and double insulation
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Technical Details
- IDI design- 7.5 Amp motor
- 450 foot pounds torque
- Large Rocker switch
- Carrying case
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By Ian Sanderson (Canton, OH USA)
After a very disappointing experience with a 1/2 in Craftsman electric impact wrench from Sears, I began my quest for something that could actually take lug nuts off my Acura. You would have assumed a $160 "Powerful Craftsman" could do it, but it barely moved one 19mm nut torqued to approx. 80 lb-ft. I needed something more. A google search revealed the Hitachi WR22SA on Amazon with an excellent review, so I bought one for myself.
Make no mistake.. it may be electric, but this thing is a very serious tool. First, it is BIG and HEAVY. The Amazon "Product Details" lists it at 17.2 LBS which sounds accurate. It will give your wrist a workout just holding it up, but it is worth it for the shear power it pumps out. It removes lug nuts with ease. I performed a brake job with it, and it saved me a huge amount of time and work. Because it is so powerful, it really doesn't twist in your hands as I expected it would.
The impacts happen so quickly, the nut/bolt is off instantly. Be careful, because once it enters free-spin and can throw things with force. If you plan on using smaller 1/2 impact sockets from NAPA, Sears, etc., you will need to buy a 3/4in to 1/2in adapter. They are very hard to find locally, but online, there are several stores that offer them. This way, you aren't limited to only large 3/4 socket sizes.
I would recommend this tool to anyone that does not have access to a powerful air compressor but needs something strong with 110 AC. The price is steep, but worth every penny.
By B. Meir
Bought this tool to ease maintenance and repair work on my truck.
This thing will remove your log nuts with ease. Be careful when tightening this thing is a monster.
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Buy Hitachi WR22SA 7.5 Amp 3/4-Inch Electric Impact Wrench Now
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