Spring-loaded plungers use a spring and a plunger (or ball tip) to exert a precise and repeatable force. They are a better option than having engineers cobble together an assembly that uses a simple, ...

[This Old Tony] teaches us how to make springs on a lathein this video done in the style of How It’s Made. Mixed in with snark, in his usual style, is a lot of useful information. The Machinery’s ...