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 ...

What's the right type of screw to use for metal, wood, or plastic? A HelloNation article helps answer that question by highlighting insights from Tanner Chaffin, Fastener Expert and representative of ...

PEM C.A.P.S. spring-loaded captive panel screws install permanently in aluminum or steel sheets as thin as 0.036 in. The screws install by pressing into prepared mounting holes. The shoulder on the ...

Self-tapping screws are designed to create their own threads as they are driven into masonry. Unlike other fasteners, contractors do need to drill a hole or tap threads in a separate step. This ...

Translating rotary motion to linear motion is a basic part of mechatronic design. Take a look at the nearest 3D-printer or CNC router — at least the Cartesian variety — and you’ll see some mechanism ...

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 ...

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 ...