Find lubrication fittings and lubrication hose systems at Grainger. Breathers and vents help keep excessive heat, damaging moisture, and particulate contamination out of lubrication systems. Ball and socket modular hose systems can be configuration by hand. We've got a large selection of grease fittings and grease fitting kits including metric and standard thread forming, standard and giant button-head, flush, and straight and angled hydraulic fittings in a broad range of sizes. All that plus an assortment of coolant nozzles ensure that you're prepared for all of your shop's lubrication needs.