... 1 million kinds of brake hose fittings 2.Material: steel 20 ... usually steel 20, coated yellow Zinc. Commodityhydraulic hose fittingsMaterialMild steel, stainless steel, aluminium, copperThread standardsMetric ... fitting, female fitting, banjo, nut, bolt, accessoriesMaking technicsRivet, welding joint, wedge, cold heading, cast,OtherMetal accessories, rubber accessories, plastic accessories hydraulic hose ...