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  2. Hammer drill - Wikipedia

    en.wikipedia.org/wiki/Hammer_drill

    A corded hammer drill next to a drill bit and a chuck key. A hammer drill, also known as a percussion drill or impact drill, is a power tool used chiefly for drilling in hard materials. [1] [2] It is a type of rotary drill with an impact mechanism that generates a hammering motion.

  3. Jackhammer - Wikipedia

    en.wikipedia.org/wiki/Jackhammer

    A jackhammer (pneumatic drill or demolition hammer in British English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel. It was invented by William McReavy, who then sold the patent to Charles Brady King. [1] Hand-held jackhammers are generally powered by compressed air, but some are also powered by ...

  4. Ball-peen hammer - Wikipedia

    en.wikipedia.org/wiki/Ball-peen_hammer

    A ball-peen or ball pein hammer, also known as a machinist's hammer, [1] is a type of peening hammer used in metalworking. It has two heads, one flat and the other, called the peen, rounded. It is distinguished from a cross-peen hammer, diagonal-peen hammer, point-peen hammer, or chisel-peen hammer by having a hemispherical peen.

  5. Chisel - Wikipedia

    en.wikipedia.org/wiki/Chisel

    A hot chisel is used to cut metal that has been heated in a forge to soften the metal. One type of hot chisel is the hotcut hardy, which is used in an anvil hardy hole with the cutting edge facing up. The hot workpiece to be cut is placed over the chisel and struck with a hammer. The hammer drives the workpiece into the chisel, which allows it ...

  6. Rotary hammer - Wikipedia

    en.wikipedia.org/wiki/Rotary_hammer

    It is similar to a hammer drill in that it also pounds the drill bit in and out while it is spinning. However, rotary hammers use a piston mechanism instead of a special clutch. This causes them to deliver a much more powerful hammer blow, making it possible to drill bigger holes much faster. Most rotary hammers have three settings: drill mode ...

  7. Sledgehammer - Wikipedia

    en.wikipedia.org/wiki/Sledgehammer

    A drilling hammer, [5] club hammer, lump hammer, crack hammer, mini-sledge or thor hammer is a small sledgehammer whose relatively light weight and short handle allow one-handed use. [6] It is useful for light demolition work, driving masonry nails, and for use with a steel chisel when cutting stone or metal. [ 7 ]