When.com Web Search

  1. Ads

    related to: heavy duty 3 hole puncher

Search results

  1. Results From The WOW.Com Content Network
  2. 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.

  3. Swingline - Wikipedia

    en.wikipedia.org/wiki/Swingline

    Swingline is a division of ACCO Brands Corporation that specializes in manufacturing staplers and hole punches. From its foundation in 1925, the company was located in Long Island City, Queens, New York, United States, until the plant was moved to Nogales, Mexico, in 1999. [1]

  4. Automatic center punch - Wikipedia

    en.wikipedia.org/wiki/Automatic_center_punch

    When the body is pressed to the trip point, a taper in the body forces the block sideways until the hole in the block is aligned with the hole through the hammer, and the hammer is released to strike the punch. This mechanism is used in heavy duty punches as it is less likely to bind on reset than the Sweet mechanism, it doesn't tend to wear ...

  5. Punching machine - Wikipedia

    en.wikipedia.org/wiki/Punching_Machine

    A HACO CNC punching machine Punched hole: best results for cutting surface with above 70% cutting, low clearance necessary (8% material thickness) Punch presses are developed for high flexibility and efficient processing of metal stampings. The main areas of application are for small and medium runs.

  6. Punch press - Wikipedia

    en.wikipedia.org/wiki/Punch_press

    Quick change tool system (left: die; front: punch, split punch retainer; back: tool body; right: punch guide) A die set consists of a set of punches and dies which, when pressed together, form a hole in a workpiece (and may also deform the workpiece in some desired manner). The punches and dies are removable, with the punch being attached to ...

  7. 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 ...