Internal keyway cutter - video

Internal keyway cutter. By Doyles Underground. 19:06 video:

https://www.youtube.com/watch?v=0wteSvALDDU

Should of started with the lathe. But U got it.

PS. we would make it a hook tool and pull it through from inside. Always seemed to work pretty good.

Make a stepped key and leave the keyways alone.

Right U R. Would of been easier, and we all have made them I'm sure.