Christopher Tidy wrote:

Today I found something weird inside the vice of my power hacksaw.

For me, it looks like the screws you can put into the narrow end of MTs.
They are used to pull the MT in. You call it pull bar? So it's the pull
bar that goes onto one end of the thread, the other end is in the MT.

DIH?
Nick
--
Motor Modelle // Engine Models
http://www.motor-manufaktur.de