Cordless hammer drills are a must tool in any craftsman's or DIY enthusiasts' toolbox. The invention of the cordless drill and other cordless tools have made life much easier than lugging cables to and fro and are also much safer.
Most cordless hammer drills are 18 volt and are very powerful to drill materials like steel, wood, masonry and any surface a mains electric drill would be used for. The ideal way to work would be to have two batteries so one is always charging while you are using the other. The hammer action is a must when drilling concrete or masonry.
Dewalt Power Drill
A cordless drill is quite suitable for drilling materials like wood, plastic and steel, but for a little more you would an all round drill in a cordless hammer drill. These drills can also be used as a power screw driver and with the reverse gear you are able to unscrew tight screws with ease. They come in 2 speeds and some have variable speed control also.
Powerful Ryobi hammer drills have a second handle attached to allow you grab the drill with both hands when drilling hard surfaces or when using large bits. These drills come with keyless chucks and capable of taking half inch or 13mm bits. One thing to remember if you want a hole half inch in diameter, begin with a small bit and use a several bits in between before using the half inch bit. This will prolong the life of your drill and is also a safe manner in which to work in.
Whether you use a powerful, cordless hammer drill or a mains electric drill the main requirement to drill holes especially in steel is a sharp bit; Bits for drilling steel lose their sharpness over time but can be sharpened on a grinding stone to their original state. One tip is to use some cooling liquid like oil or a mixture of oil and water; this will help to maintain the lifespan of the bits.
When using a drill make sure to wear safety goggles and do not have any loose clothing like long sleeves which could get wound around the bit and cause a serious accident. These cordless hammer drills are not toys and care should be taken when using them.
Special Price!!! DEWALT DCK211S2 12-Volt Max Drill/Driver / Impact Driver Combo Kit
Nov 07, 2011 07:04:10
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DEWALT DCK211S2 12-Volt Max Drill/Driver / Impact Driver Combo Kit Feature
- Compact, lightweight design fits into tight areas
- 3 LED Lights provide visibility without shadows
- One-handed loading 1/4" hex chuck accepts 1" bit tips
- 79 ft-lbs max torque
- Three-year limited warranty; one-year free service contract
DEWALT DCK211S2 12-Volt Max Drill/Driver / Impact Driver Combo Kit Overview
Product Features DCD710 12V MAX 3/8" Drill/Driver DCF815 12V MAX 1/4" Impact Driver Specifications Voltage: 10.8V Nominal - 12V Max Number of tools in kit: 2 Shipping Weight: 7.8lbs Warranty Information This DEWALT High Performance Industrial Tool comes with a warranty package that includes: 3 Year Limited Warranty - 1 Year Free Service Contract - 90 Day Money Back Guarantee DCK211S2 Includes:DEWALT DCK211S2 12-Volt Max Drill/Driver / Impact Driver Combo Kit Specifications
The DEWALT 12-Volt Max Drill/Driver and Impact Driver are both ergonomically designed for use in small spaces, and include LEDs. The drill/driver delivers a 189-unit-watt output, and features a two-speed gearbox with a 15-position clutch. The impact driver offers up to 79 inch-pounds of torque and a 1/4-inch chuck that can be loaded with one hand for convenience. Part of DEWALT's compact line of 12-volt rechargeable tools, these drivers use 12-volt max lithium-ion battery packs that offer 1.1 Ah.
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 Even weight distribution means the drill driver is easy to lift and maneuver. View larger. |
 The compact size offers maximum leverage in tight quarters. View larger. |
At 7-1/2 inches long, the 3/8-inch drill/driver is designed to fit into small spaces, providing secure penetration without damaging screw heads from angled driving attempts. The compact body of the driver means you can apply maximum leverage, enabling you to get the most from this drill/driver's 189-unit-watt output. The 15-position clutch works in conjunction with a two-speed gearbox so you get precisely the amount of torque and delivery best suited to your application.
Additionally, the drill/driver's single LED--mounted radially around the barrel--will light your target area to provide better visibility.
Powerful and Easy to UseThe impact driver offers 3,400 impacts per minute and up to 79 inch-pounds of torque. The 1/4-inch chuck can be operated with one hand, so loading bits up to 1 inch is a quick and easy. The driver features a built-in belt clip, three barrel-mounted LEDs, and reverse for additional ease of use. Quick-Charging, Long-Lasting Battery Packs
This kit comes with two 12-volt max lithium-ion battery packs, each with 1.1 Ah. The recharge time of these battery packs is between 30 minutes and 1 hour. Warranty Information
This DEWALT tool comes with a three-year limited warranty, a one-year free service contract, and a 90-day money-back guarantee. What's in the Box
Drill driver, impact driver, two lithium-ion battery packs, charger, two belt clips, and bag.
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