They hold together everything from the most delicate watch to the largest bridge. The world is literally kept from coming apart by screws and bolts, and yet we don’t often give a thought to these ...

A technique to manage an unusual presentation of an implant abutment screw fracture is presented. Causes of abutment screw loosening and fracture are reviewed. Design features that improve the ...

Single-thread-engaging nuts are formed by stamping a thread-engaging impression in a flat piece of metal. They are used for lighter-duty applications than multiple-thread nuts of the same size. These ...

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 ...

This conventional double nut has a split spacer that can be removed for grinding to adjust the preload. Fitting keys prevent the nuts from turning relative to each other. The size of the nuts, mainly ...