Camlocks also called cam and groove coupling, a kind of hose coupling used to rapidly connect and disconnect fitting on piping or hose, they come in a variety of materials to be used with liquids and a variety of sizes to accommodate hose or piping diameter.

Camlock fasteners are categorized as: Type A, has a male grooved adapter and a female pipe thread (BSP or NPT thread) of the same size. Type B, has a female camlock end and a male pipe thread of the same size. Type C, has a female camlock on one end and a male hose tail on the other. Type D, has a female camlock end and a female pipe thread of the same size. Type E, has a male camlock on one end and a male hose tail on the other. Type F, has a male grooved adaptor and a male pipe thread of the same size.