The world is literally kept from coming apart by screws and bolts, and yet we don’t often ... but the physics and engineering behind the screw thread is interesting stuff. We all likely remember ...

On any given day in the Family Handyman workshop, you'll find boxes and boxes of long, skinny screws with sharp threads that we use for heavy-duty applications. High-strength structural screws ...

It’s not much of a stretch to say that without nuts and bolts, the world would fall apart ... pulls the bolt up through the jam nut. The threads of the bolt are then in contact with the top ...