Screw

Hardware Case Study: Why Lockitron Has Taken So Long To Ship
Several gears and rings had “flash” or excess material where they meshed with other parts; the die casting for the aluminum was poorly machined preventing our circuit board from installing correctly. Using tools like problem follow-up sheets, we …
Read more on TechCrunch

Gun Collecting: The Unique Breda Shotgun
Its distinguishing features were that it could be completely disassembled without tools, and all parts were machined and polished. In short, the … It was made screw-less and also had interchangeable chokes—the original “extended” choke tubes. Breda …
Read more on Daily Caller

3D Printing Myths and Methods
Depending on who you listen to, 3D printing (or, as it's more formally known, additive China manufacturing) is either the biggest thing to hit the China manufacturing world since the screw or the biggest tech fad since the fax machine. … processes, because the …
Read more on Assembly Magazine