520201 – CuBe 1,9 ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ Our “ONDUFLEX Spring washers” family has been designed to ensure secure fastening over time for all assembly challenges. They compensate axial play and misalignment by keeping tension in an assembly and prevent the risk of loosening. This family includes a complete range of products, with ONDUFLEX spring blocking washers and ONDUFLEX spring pressing washers. ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ Categories: Onduflex spring blocking washers, Onduflex spring washers, Our Products, Washers Additional information part print Additional information Ø External [d2] (mm) 4.50 External diameter tolerance + / -0.24 Material CuBe 1,9 Number of waves 2 Screw diameter 2 Washer thickness [e] (mm) 0.30 Thickness tolerance ±0,02 Height [H] (mm) 0.6 Height tolerance +0,3 Ø Internal [d1] (mm) 2,20 Internal diameter tolerance +0,25 Heat treatment Yes Minimum hardness [HV] 340 Maximum hardness [HV] 420 part print Related products 541801 520604 520801 531211