material

I just finished installing tapered bearings in my mini lathe and would like to replace the plastic spacer on the tail head stock with a steel one. I was considering buying an assortment of 12L14 steel rod. Would this material be okay to use for spacer or should I purchase something else? Not...

Machinability Comparison Chart for most common materials

Greetings, I am trying to make an ejection system for my small aluminum molds with my Taig Mill, similar to what Mr. Socha does in this video (specifically the mold shown during 2:50 - 4:46): While his mold and ejection pins are made out of brass, he mentions that perhaps brass is not an...