How Are Knurls Made?

Knurling is a manufacturing process, typically conducted on a lathe, whereby a pattern of straight, angled or crossed lines is rolled into the material.

How do they make knurling?

There are two primary ways to perform knurling: by hand or by machine. The former involves the use of a rolling roll that creates the desired pattern as it's pressed against the surface of the workpiece, whereas the latter involves the use of a lathe to cut the desired pattern into the workpiece.

What is a knurling tool made from?

The knurling wheels are made of hardened tool steel and normally have a diameter of 15 - 20 mm. The teeth are similar to small cutting edges of tools.