Impact drills which are commonly known as impact drivers fulfill a completely different role when compared with hammer drills. In terms of what they are meant to do, hammer drills are mean to make holes in tough materials they can also drive fasteners into the concrete. It is this internal mechanism that allows a hammer drill to pulverize its way through concrete and masonry. Inside each hammer drill, a hammering mechanism (the exact mechanism can change depending on the type of hammer drill) essentially “pounds” the drill bit forward. Although there is variation between different kinds of hammer drills, generally speaking, they all operate roughly the same. There are mainly two types of hammer drill the regular hammer drill and the more powerful rotary hammers. Hammer drills fulfill a very specific role, which is to pulverize holes in concrete, brick, marble, granite, and other similar materials. Regular hammer drill are similar to power drill/driver. Hammering action in the direction of rotation. Hammering blows in the direction of hole being drilled. Loosen or drive in screws that require high torque.
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