DIN EN 14399-9:2019 - High-strength structural bolting assemblies for preloading - Part 9: System HR or HV - Direct tension indicators for bolt and nut assemblies; German version EN 14399-9:2018
Hochfeste Schrauben, Muttern, Bolzen, Unterlegscheiben und Befestigung – High Performance Polymer
INBUS® 79680 Schraubensicherung hochfest, 20g — Made in Germany : Amazon.de: Baumarkt