China high quality Custom Hydraulic Cylinder Precision Threaded Hollow Shaft Stainless Steel Piston Rod vacuum pump adapter
Product Description Custom Hydraulic Cylinder Precision Threaded Hollow Shaft Stainless Steel Piston Rod Data Sheet Model NO. Aofa PR01 Appearance Shape Round Journal Surface Roughness 0.63-0.16μm Tolerance ISO F7 Material Grade Ck45, 20mnv6, 42CrMo4 Roundness Dia.Tolerance/2 Axis Straightness 0.1/1000mm Hardened Depth 0.5-3.5mm Heat Treatment None, Induction Hardened, Q+T …