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 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 Thickness [e] (mm) 0.30 part print Related products 531035 520815 520251 530801