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 ...

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 ...

Attaching metal pieces to one another with a screw is relatively straightforward. But using threaded fasteners on plastics, which are lightweight, low-density materials compared to metals, can be ...

Overwhelmed with fastener options for your DIY projects? Learn about screw anatomy, types and materials to help you pick the best screw for your job.

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 ...

One of the greatest advantages of designing plastic parts is the vast number of assembly options a designer can apply to his or her design. The most common among these options is the use of screws.

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 ...

Have you ever spent hours perfecting a 3D-printed design, only to struggle with attaching screws or bolts securely? It’s a frustrating experience that many makers and engineers face. Threads are ...

Roy Underhill shows how to use an 1889 foot-driven metal working lathe. Make your own darn metal screws with this 1889 foot-powered lathe! Roy shows how to cut perfect threads, cones and tapers in ...