Q-Please tell us how to keep the screws in our steel lawn furniture from working loose all the time. A-Fortunately, there is an easy way to secure many screws and bolts used in metal fixtures and ...

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 ...

The degree to which a ball screw performs well in the field is the direct result of the process used to make it. Grinding, rolling, and whirling are the most common ways to thread ball screws. Some ...