hammer drill

A hammer drill, also known as a percussion drill or impact drill, is a power tool used chiefly for drilling in hard materials. It is a type of rotary drill with an impact mechanism that generates a hammering motion. The percussive mechanism provides a rapid succession of short hammer thrusts to pulverize the material to be bored, so as to provide quicker drilling with less effort. If a hammer drill's impact mechanism can be switched off, the tool can be used like a conventional drill to also perform tasks such as screwdriving.

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  1. Giller

    What in your life apart from your MG have battery packs?

    Ok, humour me, this could go no where, but today I like many may have been out cutting the grass and it hit me, I'd switched to an electric lawnmower and trimmer a couple of years ago as I was fed up plugging in the extension lead and trying to avoid cutting the bloody cable that was being...
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