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 ...

I've used them for ages but never had to buy them. Is there any practical difference in the various sizes of screws and cage nuts? M6 seems to be the prolific choice, but I see 12-24 and 10-32 are ...

Over the past few weeks we've looked at handy flexible hose clamp pliers, screw-holding screwdrivers and battery desulfators that rescue batteries from the dead. This week's cool tool, the nut and ...

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 ...

Ball screws and roller screws are widely used for high-force linear motion and are replacing fluid power devices. In general, these screw mechanisms generate linear motion by rotating either the screw ...