High-strength structural bolting assemblies for preloading
For downloading your favorite standard, please click on it:
DIN EN 14399-1-General Requirements
DIN EN 14399-2-Suitability test for Preloading
DIN EN 14399-9-System HR or HV. Direct tension indicators for bolt and nut assemblie
DIN EN 14399-10-System HRC. Bolt and nut assemblies with cal