Determining the service or useful life of screw actuators – lead (acme), ball, and roller screws is a fundamental problem that faces many motion-system designers. In a broad sense, a screw’s service ...

Shoulder screws, also known as shoulder bolts and stripper bolts, are machine screws with an integral shoulder or journal between the head and thread. Although they are not readily available in local ...

Inspection for bone screws is a complicated process. Using a thread gauge measurement approach may enable a streamlined manufacturing process. Controlling the manufacture of bone and pedicle screws ...

Taiwan has long been the top provider of screws to the United States. But its factories are struggling to survive under tariffs on steel and aluminum. By Meaghan Tobin and Xinyun Wu Photographs and ...