The hydraulic hose fittings selection from Grainger offers a variety of technical specifications, including fitting type, thread angle and dash size to help you find a perfect fit every time. The hose fittings are designed to work seamlessly with hydraulic hoses to help transfer oil, air, gasoline and hydraulic fluid. Hydraulic hose fittings are made from steel with ROHS-compliant trivalent chromium zinc finish. Find the size you need here.