520401 – Bronze ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ 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+ / -0.29 Ø External [d2] (mm) Choose an option9.00 Height [H] (mm) Choose an option1.0 Height tolerance Choose an option05 Ø Internal [d1] (mm) Choose an option4.30 Material Choose an optionBronze UE9P Maximum hardness [HV] Choose an option260 Minimum hardness [HV] Choose an option190 Screw diameter Choose an option4 Screw diameter (US) Choose an optionN°8 Thickness [e] (mm) Choose an option0.50 Internal diameter tolerance Choose an option030 Thickness tolerance Choose an option Heat treatment Choose an optionNo Number of waves Choose an option2Clear SKU: N/A Additional information Additional information External diameter tolerance + / -0.29 Ø External [d2] (mm) 9.00 Height [H] (mm) 1.0 Height tolerance 05 Ø Internal [d1] (mm) 4.30 Material Bronze UE9P Maximum hardness [HV] 260 Minimum hardness [HV] 190 Screw diameter 4 Screw diameter (US) N°8 Thickness [e] (mm) 0.50 Internal diameter tolerance 030 Thickness tolerance 003 Heat treatment No Number of waves 2