This is how to mill a straight keyway on a shaft using a BRIDGEPORT MILLING MACHINE. Watch my other video that show how to cut a woodruff (half moon) key seat. And yet another video that shows how to BROACH a keyway in a pulley bore.
Easiest way to cut rusted toilet bolts (in seconds). Rusty or corroded toilet bolts how to remove. How to cut rusted toilet bolts from tank.