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Hole punch

technology Maturity 7-9 Next article →

A hole punch is a handy tool used to make holes in paper.

3 perforators
3 perforators

These holes let you keep loose sheets of paper organized in a binder or a folder. While we mostly use them for paper, some tools can also punch holes in leather, cloth, or even metal.

Single-hole-punch
Single-hole-punch

This makes it much easier to manage large amounts of information. Without these tools, keeping many pages in order would be a very hard job.

Most hole punches work using a few simple parts. They have a handle, a punch head, and a die.

Hole punch workings illustration
Hole punch workings illustration

The punch head is a metal cylinder with a flat face. The die is a flat plate with a hole that matches the head. To use it, you place your paper between the head and the die. When you push the handle, it acts as a lever to make the work easier. This pushes the head straight through the paper to cut a hole. The tiny scrap of paper that falls out is called a chad.

People have been making these tools for a long time. In 1885, Benjamin Smith helped create a spring-loaded ticket punch.

Single-hole-punch
Single-hole-punch

This tool was called a "conductor's punch" because it was used for train tickets. Later, in 1893, Charles Brooks refined a paper punch. Another important moment was in 1886 when Friedrich Soennecken filed a patent in Germany. He created a multiple-hole punch for office use. A Google Doodle even celebrated his work in 2017.

Different parts of the world use different hole patterns.

Filingholes2
Filingholes2

In many places, the ISO 838 standard uses two holes. These holes are 4.5 mm wide. In the United States, a three-hole punch is the most common pattern for paper. There is also a four-hole system used for US legal paper. Some people use an "888" system, which is a four-hole extension of the two-hole standard. These rules help ensure that paper from one place fits into a binder from another.

Many things you see every day use these patterns.

Common-hole-patterns-in-punches-and-binders
Common-hole-patterns-in-punches-and-binders

You might use a ring binder to hold your school notes together. Some binders use a spring-like coil or a plastic comb to hold pages. Even specialized tools like an eyelet punch can secure paper with metal loops. In Sweden, a special four-hole system called triohålning is very popular. Whether it is for a notebook or a filing folder, hole punches help keep our world in order.

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🖼️ Images & Media (9)
File:3 perforators.jpg
3 perforators.jpg
File:Hole punch workings illustration.svg
Hole punch workings illustration.svg
File:Single-hole-punch.jpg
Single-hole-punch.jpg
File:Eyelet punch.JPG
Eyelet punch.JPG
File:Filingholes2.gif
Filingholes2.gif
File:Hole punch.JPG
Hole punch.JPG
File:Triohalning.jpg
Triohalning.jpg
File:Dutch "Multo" 23-ring binder showing rings closed and open.jpg
Dutch "Multo" 23-ring binder showing...
File:Common-hole-patterns-in-punches-and-binders.svg
Common-hole-patterns-in-punches-and-binders.svg
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