Hose fittings and couplings are parts used to make custom hose assemblies for carrying air, water, fluids, and hydraulic oil. Cam and groove fittings connect pipe, tubing, or hose without tools. Hydraulic hose fittings and couplings connect hydraulic hoses to pipe and equipment in hydraulic systems. Hydraulic hose fittings need to be crimped to the hydraulic hose. Multipurpose hose fittings and couplings connect to hoses to carry air, water, or chemicals through a pipe system. Pressure washer (similar to hydraulic hose) connectors and adapters connect high-pressure hoses to pumps and guns. Steam hose fittings, couplings, and clamps connect steam hoses to compatible equipment in steam systems.