The cordless impact wrench is quickly gaining in popularity among professional mechanics and the hobby mechanic as well. You may be thinking "I already have a cordless drill that I use for impact applications, why do I need a cordless impact wrench as well?". I thought the same thing. The first difference is on the inside. A cordless drill creates continuous in-line torque. A cordless impact wrench employs an internal spring-loaded pulsating cam to create rotational torque. This creates the "impact" force that loosens a nut. It is the equivalent to banging a wrench with a hammer to loosen a rusty nut only a lot faster. Unlike a cordless drill - which creates continuous in-line torque, a cordless impact driver uses an internal spring-loaded pulsating cam and gear mechanism to create rotational torque or the "impact" force.
Another big difference, is the lack of reactionary torque. Reactionary torque is what you experience with your cordless drill. You have to use brute force to keep your drill from spinning the opposite direction in your hand. With a cordless impact wrench, that torque is directed to the nut not your arm. You can easily hold this tool in one hand and let the cordless impact do all the work. No more pushing down on the tool to drive that screw. These tools are also smaller and lighter than a cordless drill. For example a DeWalt cordless impact wrench is about 35% the size of its comparable cordless drill. This feature makes them perfect for those overhead projects and reaching into hard to get to spaces.
Dewalt Drill Cordless
The next time your start that big deck project in the backyard, leave the cordless drill in the box and grab your cordless impact wrench. Your arm will thank you at the end of the day.
Special Price!!! DEWALT DC4CKITA 18 Volt Compact Cordless 4-Tool Combo Kit
Oct 19, 2011 06:42:49
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DEWALT DC4CKITA 18 Volt Compact Cordless 4-Tool Combo Kit Feature
- DC720 18-volt 1/2-inch compact drill/driver delivers 410 unit watts out of maximum power
- DW936 18-volt trim saw with 5-3/8-inch 16-tooth carbide blade and rip fence can cut a 2 by 4 in a single pass
- DW938 18-volt cordless reciprocating saw with keyless blade clamp allows for quick blade change without touching blade or reciprocating shaft
- DW908 18-volt pivoting head flashlight which allows light to be projected in any direction
- Comes with DC720, DW936, DW938 andDW908 tools as well as: two 18-Volt batteries, 1-hr charger, 16-tooth carbide tipped trim saw blade, circular saw rip fence and kit box
DEWALT DC4CKITA 18 Volt Compact Cordless 4-Tool Combo Kit Overview
Save money and time when you invest in this all-in-one combination kit from DEWALT. The DC4CKITA contains everything you need to complete a variety of construction, renovation, and home improvement jobs. First, an 18-volt, 1/2-inch drill/driver provides 410 unit watts out of maximum power and boasts a portable, compact design. Next, the DW936 18-volt trim saw has a 5-3/8-inch, 16-tooth carbide blade and rip fence for ultra-fast performance--it cuts a standard two-by-four in just one pass! There's also the DW938 cordless reciprocating saw with a key-free blade clamp for effortless changes and the DW908 18-volt flashlight with a rotating head so you can shine the light where you need it most. For added convenience, all these high-quality tools arrive in a durable kit box for easy storage and portability.SAVE NOW on the special offers below!
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