1.1 million kinds of brake hose fittings 2.Material: steel 20# or Q235 3.Control by SAE J512 ... and drawings.The raw material is usually steel 20, coated yellow Zinc. Commoditybrake hose fittingsMaterialMild steel, stainless steel, aluminum, copperThread standardsMetric: M10X1, ... casting,OtherMetal accessories, rubber accessories, plastic accessories hydraulic brake hose carbon steel pipe fitting