Product description:Disc Coupling1.StructureSingle Disc2.MaterialBody:steel Laminate: stainless steel3. TechnicsCNC stamping,Website:http://www.chuanglianhz.com, machining4. SurfaceHot galvanized, polishing, chrome/zinc/nickel plating, powder coating, anodize...5.MOQ10 sets6. Rotation Speed6000RPM7.Tolerance+/- 0.02mm8. ApplicationAir & CNG compressors, Air & Gas generators, dryers & etcSingle Disc Style couplings are composed of two hubs (the ends of the coupling, which are typically made from aluminum, but stainless steel is used as well) and a single, flat, stainless steel disc spring.