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  2. Digging bar - Wikipedia

    en.wikipedia.org/wiki/Digging_bar

    Known by other names depending on locale, structural features and intended purpose such as a hop bar or crowbar in Britain, Australia and New Zealand, [1] and slate bar, shale bar, spud bar, pinch point bar or San Angelo bar in North America, or just a bar. In Canada, it is often called pry bar.

  3. Crowbar - Wikipedia

    en.wikipedia.org/wiki/Crowbar

    A crowbar with a curved chisel end to provide a fulcrum for leverage and a goose neck to pull nails. A crowbar, also called a wrecking bar, pry bar or prybar, pinch-bar, or occasionally a prise bar or prisebar, colloquially gooseneck, or pig bar, or in Australia a jemmy, [1] is a lever consisting of a metal bar with a single curved end and flattened points, used to force two objects apart or ...

  4. List of screw drives - Wikipedia

    en.wikipedia.org/wiki/List_of_screw_drives

    Slot screw drives have a single horizontal indentation (the slot) in the fastener head and is driven by a "common blade" or flat-bladed screwdriver.This form was the first type of screw drive to be developed, and, for centuries, it was the simplest and cheapest to make because it can just be sawed or filed.

  5. Crowbar (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Crowbar_(disambiguation)

    A crowbar is a tool with a curved end used for prying objects apart. Crowbar may also refer to: Digging bar , called a crowbar in the UK and Australia, a straight metal bar used for post hole digging or for leverage

  6. Yankee screwdriver - Wikipedia

    en.wikipedia.org/wiki/Yankee_screwdriver

    The trade name "Yankee" screwdriver was first marketed by North Brothers Manufacturing Company in ≈16 April 1895, with the No. ≠130 spiral ratchet screwdriver. Yankee soon became and still is a well-known name in automatic spiral ratchet screwdrivers , with several other models, and model improvements patented by North Bros. over a 40-year ...

  7. Screwdriver - Wikipedia

    en.wikipedia.org/wiki/Screwdriver

    A typical simple screwdriver has a handle and a shaft, ending in a tip the user puts into the screw head before turning the handle. This form of the screwdriver has been replaced in many workplaces and homes with a more modern and versatile tool, a power drill, as they are quicker, easier, and can also drill holes. The shaft is usually made of ...

  8. Breaker bar - Wikipedia

    en.wikipedia.org/wiki/Breaker_bar

    Breaker bar. A breaker bar (also known as a power bar) is a long non-ratcheting bar that is used with socket wrench-style sockets.They are used to break loose very tight fasteners because their additional length allows the same amount of force to generate significantly more torque than a standard length socket wrench.

  9. Halligan bar - Wikipedia

    en.wikipedia.org/wiki/Halligan_bar

    The Halligan bar was designed by New York City Fire Department (FDNY) First Deputy Chief Hugh Halligan in 1948 and was named after him. "Created by Hugh Halligan, allegedly modeled on a burglar's tool found in the rubble of a bank fire during overhaul operations."

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