For those that don't know what a split bushing is

This is the kind of split bushing I used in my previous video.

[@FrankLadd]

That's what we call a taper lock or QD bushing. A split taper bushing has a solid flange.

[@sconescrewdriverson]

Other people: I don't know what any of these words mean. O_O
Me, an engineer: Fascinating. What AISI grade is that?