When.com Web Search

  1. Ads

    related to: heavy duty 3 hole puncher near me

Search results

  1. Results From The WOW.Com Content Network
  2. Automatic center punch - Wikipedia

    en.wikipedia.org/wiki/Automatic_center_punch

    An automatic center punch is a hand tool used to produce a dimple in a workpiece (for example, a piece of metal). It performs the same function as an ordinary center punch but without the need for a hammer. When pressed against the workpiece, it stores energy in a spring, eventually releasing it as an impulse that drives the punch, producing ...

  3. Swingline - Wikipedia

    en.wikipedia.org/wiki/Swingline

    The Swingline 747 Rio Red The Swingline Commercial Desk Stapler A staple remover. Swingline was founded in 1925 in New York City by Jack Linsky. [2] At that time, it was known as the Parrot Speed Fastener Company and opened its first manufacturing facilities on Varick Street, and in Long Island City in 1931. [2]

  4. Punch press - Wikipedia

    en.wikipedia.org/wiki/Punch_press

    A punch press is a type of machine press used to cut holes in material. It can be small and manually operated and hold one simple die set, or be very large, CNC operated, with a multi-station turret and hold a much larger and complex die set. Mechanical punch press. Punched hole: best results for cutting surface with above 70% cutting, low ...

  5. Hole punch - Wikipedia

    en.wikipedia.org/wiki/Hole_punch

    Two-hole filebinder hole punch. Another standard also occasionally used in the US is a "filebinder" system. Its two holes are positioned symmetrically, each 2 + 3 ⁄ 4 inches (70 mm) apart from the center, i.e. 5 + 1 ⁄ 2 inches (140 mm) apart from each other. This matches the half-letter 3-hole system, except that the middle hole is omitted.

  6. Punching machine - Wikipedia

    en.wikipedia.org/wiki/Punching_Machine

    Punching machine. A punching machine is a machine tool for punching and embossing flat sheet-materials to produce form-features needed as mechanical element and/or to extend static stability of a sheet section. According to the file, Richard Walsh, the county of Grayson, and the State of Texas had invented and applied for US patent in 1894.

  7. Knockout punch - Wikipedia

    en.wikipedia.org/wiki/Knockout_punch

    Knockout punch. 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. There are three different drive systems: manual, ratchet, and hydraulic.

  1. Ad

    related to: heavy duty 3 hole puncher near me