Chief Delphi - Homemade Keyway Broaches
Rated • 1 review • machines, diy, machining, broach • chiefdelphi.com
A clever use of old 4 flute taps (originally used to create threads). The result is a broach, which can cut a slot (a keyway) along the edge of a hole.
![Creating a real-life particle animation. [VIDEO]](http://cdn.stumble-upon.com/mthumb/715/70696715.jpg)
