Bayonet and screw are types of fitting for what?
Bayonet mount connectors, including audio, video, and data cables use bayonet connectors. Examples include BNC, C, and ST connectors. (The BNC connector is not exactly as described in this article, as the male, not female, connector has the slots and spring.) The first documented use of this type of fitting (without the name "bayonet") may be by Al-Jazari in the 13th century, who used it to mount candles into his candle-clocks. This type of fitting was later used for soldiers who needed to quickly mount bayonets to the ends of their rifles, hence the name. The bayonet light bulb mount is the
Structural pipe fitting Structural pipe fitting A structural pipe fitting, also known as a slip on pipe fitting, clamp or pipe clamp is used to build structures such as handrails, guardrails, and other types of pipe or tubular structure. They can also be used to build furniture and theatrical riggings. The fittings slip on the pipe and are usually locked down with a set screw. The set screw can then be tightened with a simple hex wrench. Because of the modular design of standard fittings, assembly is easy, only simple hand tools are required, and risks from welding a structure are eliminated. Other