Wednesday, June 1, 2011

Cordless Hammer Drill - Ryobi Cordless Drill

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.

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.


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