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.
Impact Cordless Drill
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 DCK274L 18-Volt Cordless Hammerdrill/Impact Driver Combo Kit with XRP Li-Ion Battery Packs
Oct 22, 2011 08:57:30
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DEWALT DCK274L 18-Volt Cordless Hammerdrill/Impact Driver Combo Kit with XRP Li-Ion Battery Packs Feature
- DCD775 18V 1/2-Inch compact hammerdrill delivers 350 unit watts out of maximum power
- DC827 18V impact driver delivers 1330-Inch pounds of torque and 0-2,400 rpms
- Power and speed to perform a wide range of fastening applications at faster speeds
- XRP Li-Ion extended run-time batteries provide superior ergonomics, long run-time and battery life
- Includes 2 batteries, charger and kit box
DEWALT DCK274L 18-Volt Cordless Hammerdrill/Impact Driver Combo Kit with XRP Li-Ion Battery Packs Overview
Specifications: Voltage : 18V Number of tools in kit : 2 Shipping Weight : 16.0 LBS Includes: (1) DCD775 18V 1/2" Hammerdrill (1) DC827 18V 1/4" Impact Driver (2) 18V XRPTM Li-Ion Batteries (1) 1 hour charger (1) Kit BoxSAVE NOW on the special offers below!
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