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  2. Harbor Freight Tools - Wikipedia

    en.wikipedia.org/wiki/Harbor_Freight_Tools

    Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]

  3. Knockout punch - Wikipedia

    en.wikipedia.org/wiki/Knockout_punch

    Chassis punches: assorted sizes round and square Chassis punches: assorted sizes round and square disassembled. In metalworking, a knockout punch, also known as a chassis punch, panel punch, Greenlee punch, or a Q-max, [1] is a hand tool used to punch a hole through sheet metal. It is a very simple tool that consists of a punch, die, and screw.

  4. Hole punch - Wikipedia

    en.wikipedia.org/wiki/Hole_punch

    Three different international-standard two-hole punches. A hole punch, also known as hole puncher, or paper puncher, is an office tool that is used to create holes in sheets of paper, often for the purpose of collecting the sheets in a binder or folder (such collected sheets are called loose leaves).

  5. Punch (tool) - Wikipedia

    en.wikipedia.org/wiki/Punch_(tool)

    A punch is a tool used to indent or create a hole through a hard surface. They usually consist of a hard metal rod with a narrow tip at one end and a broad flat "butt" at the other. When used, the narrower end is pointed against a target surface and the broad end is struck with a hammer or mallet , causing the blunt force of the blow to be ...

  6. Automatic center punch - Wikipedia

    en.wikipedia.org/wiki/Automatic_center_punch

    The automatic center punch mechanism has been used for a wide variety of other applications. These include Marking and starting a hole for drilling without the bit "walking" out of alignment; Letter stamp sets; Glass-breaking tools used in rescue work and a common tool for a car thief. Impact tool for hardness testing [21]

  7. Punching machine - Wikipedia

    en.wikipedia.org/wiki/Punching_Machine

    The linear tool carrier (y-axis) has several stations that hold the punching tools and one cutting tool. Especially for flexibility and efficient processing are set up times a crucial cost factor. Downtimes should be reduced to a minimum. Therefore, recent tool systems are designed for fast and convenient change of punches and dies.