520251 – 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. ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ External diameter tolerance Choose an option+ / -0.24 Ø External [d2] (mm) Choose an option5.00 Height [H] (mm) Choose an option0.7 Height tolerance Choose an option04 Ø Internal [d1] (mm) Choose an option2.70 Material Choose an optioncube-19 Maximum hardness [HV] Choose an option420 Minimum hardness [HV] Choose an option340 Screw diameter Choose an option2.5 Screw diameter (US) Choose an optionN°3 Thickness [e] (mm) Choose an option0.30 Internal diameter tolerance Choose an option025 Thickness tolerance Choose an option Heat treatment Choose an optionYes Number of waves Choose an option2 Clear SKU: N/A Additional information Additional information External diameter tolerance + / -0.24 Ø External [d2] (mm) 5.00 Height [H] (mm) 0.7 Height tolerance 04 Ø Internal [d1] (mm) 2.70 Material cube-19 Maximum hardness [HV] 420 Minimum hardness [HV] 340 Screw diameter 2.5 Screw diameter (US) N°3 Thickness [e] (mm) 0.30 Internal diameter tolerance 025 Thickness tolerance 002 Heat treatment Yes Number of waves 2