Self-tapping screws are usually drilled into pre-made holes (pilot holes) in metals, such as zinc, aluminum, and bronze and its alloys, as well as plastics and resin-impregnated plywood. They create ...

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, ...

A good screwdriver set is essential in any workshop. While cordless drills and impact drivers have replaced some screwdriver jobs, particularly when you’re working with raw materials, you still need a ...

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 ...

Includes catalogs issued by: H & G Die Head Works of Eastern Machine Screw Corporation.