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 ...

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 ...

A new method for inspecting out-of-straightness limits for machine, tapping, and thread rolling screws has been introduced by the Industrial Fasteners Institute (IFI) in standard IFI-138. The new ...

Lo-Drive Thread Rolling and Grip-Lite screws, designed for thin sheet-metal applications, offer increased strip-out torque and a radius point for safety. They eliminate the need for clips and inserts.

Reed Rolled Thread Die Co. cylindrical die thread rolling machines ; thread rolling processing machines ; form and thread rolling dies ; thread rolling attachments ; knurls for automatic screw ...