![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Flowdrill.png/640px-Flowdrill.png&w=640&q=50)
Friction drilling
From Wikipedia, the free encyclopedia
Friction drilling is a method of making holes in metal in which the material is pushed out of the way with the aid of heat from friction. The process is also called thermal drilling, flow drilling, form drilling, or friction stir drilling.[1]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Flowdrill.png/640px-Flowdrill.png)
A. Applying pressure.
B. Tool heats target and melts through it.
C. Screw thread tapping.
Friction drilling is commonly used on bicycle frames, heat exchangers, and to create holes for mounting bearings.