Have you ever wondered how an Allen screw is made? In this quick and easy DIY guide, we show you the fast process of creating your very own Allen screw with minimal tools and time. Whether you're a ...

In 1910, William G. Allen, owner of Allen Screw Manufacturing Company, began marketing hex wrenches, which had already existed in some form or another since the 19th century.

Also, Allen wrenches are small and inexpensive to make, so manufacturers like IKEA can include them in the box, reassuring buyers that they’ll definitely have the tools they’ll need for assembly.