hole system exists. It is still in use today, but is not as common as the 3-hole standard. The four holes are positioned symmetrically with centers 3 + 1⁄ 2 inches (89mm) apart. The four binding positions provide more support for the longer 14-inch side of legal paper. We have a huge range that includes standard 2-hole punches, single hole punches, 4-hole punches and high capacity heavy duty punches. The most common style is a 2-hole metal with plastic base. These start with a punch capacity of 10 sheets of 80gsm paper and go up to around 30 sheets. Our four hole punches are designed for punching papers to go in a 4 ring binder. Our heavy duty options allow you to punch a high number of sheets with ease. Within this range there are punches that will go through 150 sheets at a time. The hole punch comes in various standard sizes including the ISO 838 (with 2 holes apart), 3-hole, 4-hole 888, 4-hole legal, and single punch. It typically has a diameter of 6±0.5 mm and there are 80 – 108mm between holes depending on the manufacturer.

The essential parts of a hole punch are the handle, the punch head, and the die. The punch head is typically a cylinder, with a flat end called the face. The die is a flat plate, with a hole matching the head. The head can move, while the die is fixed in place. Both head and die are usually made of a hard metal, with precise tolerances. One or more sheets of paper are inserted between the head and the die, with the flat face of the head parallel to the surface of the sheets. Moving the handle pushes the head straight through the sheets of paper. The hard edge of the punch vs the die cuts a hole in the paper, pushing the cut piece out the bottom of the die. The cut-out bit of paper scrap is called a chad. Single-hole punches can also be used for binding, with a single loose binding ring, although this is much less common than with ring binders. Concerns have risen about the lifespan of the hole punch as most paper documents are now online, making the use of it irrelevant. A four-hole extension to ISO838 is also in common use. Two holes are punched in accordance with the standard, plus two additional holes located 80mm to the outside of the standard holes. The two additional holes provide more stability in 4-ring binders, while still allowing 4-hole paper to fit 2-ring binders. This extension is sometimes referred to as the "888" system, because of the three 8-cm gaps between the holes. Some 2-hole punches have an "888" marking on their paper guide, to assist punching all four holes into A4 paper. [5]Specialized hand-operated tape punches were used to perform small edits and repairs on punched paper tapes used for data entry into teletypes or early computers. Torn or damaged tapes were sometimes aligned with specialized jigs, spliced with special adhesive tape, and the holes encoding data were manually restored using such punches. The ASCII character code included a special DELETE or DEL character defined as all holes punched out (code 7F), allowing an erroneous character to be canceled by punching extra holes. Some hole punches will be more heavyweight than others, and these can typically punch through more sheets of paper at once compared with more lightweight models. ISO 838 There are many different types of ring binders, with different amounts of rings and different spacing measurements between the rings, and this means that several different sizes of hole punch are required. The most common use for multi-hole punched paper is with a ring binder. A book-like cover is fitted with retaining rings matching the pattern of the punched holes. The rings may be split open, paper sheets threaded onto them, and then the rings closed again.

Another standard also occasionally used in the US is a "filebinder" system. Its two holes are positioned symmetrically, with the centers 2 + 3⁄ 4 inches (70mm) apart. This is a different measurement of 4 hole punch which is designed to be used with legal-sized paper. It is much less common in the US than the 3 hole punch, though it is still in use. The official name of this four-hole system is triohålning, since it was adapted to the "Trio binder" which was awarded Swedish patent in 1890. The binder's inventor, Andreas Tengwall, supposedly named it after a consortium consisting of himself and two companions, i.e. a trio. [ citation needed] The binder can be opened at any place while holding the papers in place, as the inner holes have guide pins from one side, the outer holes have pins from the other side.

The holes produced by this hole punch will be 108mm apart or 4 and a half inches apart. The central hole will be positioned in the center of the length of the paper, with the other two holes at relevant measurements on either side. 4-hole 888

Find sources: "Hole punch"– news · newspapers · books · scholar · JSTOR ( December 2007) ( Learn how and when to remove this template message) The type of hole punch you need can also be determined by the size of paper you are using since different variations of hole punch are specifically targeted at particular paper sizes, such as letter-sized paper, legal-sized paper, and A4-sized paper. A variety of hole patterns are in use for ring bindings. In much of the world, two-hole and four-hole punches consistent with ISO 838 are the norm. In the US, the three-hole punch is most common. See §Standards. There are other binding techniques which use hole punching. Coil binding uses a spring-like coil, threaded into the punched holes. Comb binding uses a plastic strip with "fingers" that clip into the punched holes. Both use their own types of specialized hole punches. Comb binding typically punches 19 or 23 rectangular holes (for letter and A4 paper sizes, respectively). The diameter of the holes varies between manufacturers, with typical values being 1⁄ 4 to 5⁄ 16 inch (6 to 8mm). The 5⁄ 16 value is most commonly used, as it allows for looser tolerances in both ring binder and paper punching. The distance to the paper edge also varies, with 1⁄ 2 inch (13mm) hole-center-to-edge being typical. Konica-Minolta specifies 9.5 ±1mm [6] for both two and three-hole variants in North America.Rexel P225 Punch 2-Hole Robust Metal with Nameplate Capacity 25x 80gsm Silver and Blue 21007445 8002... Most people are familiar with a hole punch, which also goes by the names of the hole puncher, and paper puncher. This is a piece of office or stationary equipment which is used to punch holes in paper, typically for the means of binding them together in a folder. In this article, we’ll discover the standard hole punch sizes. A single-hole punch makes a single hole per activation, usually at an arbitrary position (i.e., without alignment guides).