screws
121Threading (manufacturing) — Threading is the process of creating a screw thread. More screw threads are produced each year than any other machine element.[1] There are many methods of generating threads, including subtractive methods (many kinds of thread cutting and… …
122screw */ — I UK [skruː] / US [skru] verb Word forms screw : present tense I/you/we/they screw he/she/it screws present participle screwing past tense screwed past participle screwed 1) [transitive] to fasten one thing to another using screws Next screw the… …
123Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …
124D-subminiature — DA, DB, DC, DD, and DE sized connectors The D subminiature or D sub is a common type of electrical connector. They are named for their characteristic D shaped metal shield. When they were introduced, D subs were among the smaller connectors used… …
125Bolted joint — Bolted joints are one of the most common elements in construction and machine design. They consist of cap screws or studs that capture and join other parts, and are secured with the mating of screw threads.There are two main types of bolted joint …
126Dropout (bicycle part) — A semi horizontal dropout on a steel frame road bicycle converted to a single speed. The non replaceable derailleur hanger (below the axle) and an eyelet (above the axle) for mounting a fender or rack are now unused …
127Mirror mount — This article is about the general subject. For mirror mounts specific to primary telescope mirrors, see Mirror support cell. Two kinematic mirror mounts, with mirrors. A mirror mount is a device that holds a mirror. In optics research, these can… …
128Osteochondritis dissecans — For other uses, see OCD (disambiguation). Osteochondritis dissecans Classification and external resources A large flap lesion in the femur head typical of late stage Osteochondritis dissecans. In this case …
