Witness the dedication and expertise of a skilled craftsman in a traditional Japanese factory, where thousands of screws are produced with precision. Every stage, from metal shaping and threading to ...

Screw threads are another simple machine ... Cut threads are produced in either a lathe or a CNC machine by removing material to form the thread profile, either with a thread cutting tool ...

Why Reusing Drywall Screws Can Be Risky. Reusing them is possible, but they might be less reliable, and certainly not usually ...

When the goal is to join materials, options are seemingly endless: welding, crimping, gluing cementing and so on. Fasteners ...

The Helix flexible screw conveyor (photo) features a helicoid screw that rotates within a fixed tube to transport materials efficiently from one point to another. It supports horizontal conveying up ...

It is conceivable that Leonardo could have constructed small working models, but a full-size working version could not have been realized for want of sufficiently light but strong materials, and a ...