... for oil injestion tube,hydraulic oil line injection parts Main size: 6x1mm;6x2mm;8x1mm;8x1.5mm;10 x1mm;12x1.5mm19x1.5mm ... , St45, St52, 10#,20#,SAE1010,SAE1020;3.Condition: NBK,BK4.Size: OD4.0-76mm, WT: 0.5-10.0mm5.Packing: waterproof ... of automobile, hydraulic system of machinery and high pressure tubingof diesel engine.7.Characteristic: high cleanness, smooth on the inner surface, chemical ...