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 ...

Threaded fasteners are galvanized in specialized galvanizing facilities that centrifuge the fasteners to remove excess zinc from the threads. Australian Standard AS1214 recommends the obligatory ...

Thermal effects can increase or decrease bolt load and clamping capability. Measuring the angle of nut rotation can sometimes be used to gage preload. Modeling the ...

The strength of some internal threads is more sensitive to tap diameter than previously thought. • Cold-formed threads are no stronger than cut threads when holes are correctly sized. • Cut threads ...