A while ago I figured out how to make this big wooden screw on the metal lathem now I want to make an even bigger one I'm starting with a chunk of birch firewood which is just the right length. And my ...

Rosemary Anrude’s Screw Thread trestles and stools play with our expectations of what materials can employ threads and bolts by applying thread to the legs of hardwood stools and securing the seat in ...

Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting. The thread-forming screw displaced material around the pilot hole so ...