Screw machines are specialized automated metalworking lathes that were first developed in Switzerland during the late 1800s to produce large numbers of identical parts such as screws. At that time, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Charles Vander Woerd, a ...

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 ...

Last weekend I was installing some 2 x 4 blocking for a bathroom cabinet, and I really struggled to drive the screws into the lumber. In fact, whenever I use drywall screws to build stuff, they break ...

The packer at a tissue manufacturer, for instance, was fed by a dual-conveyor setup designed by RPT Motion, Quebec. A two-position lane changer let product from one conveyor and then the other feed ...