scope:

This document belongs to the suite of European Standards EN 14399 and is designed to be read in conjunction with EN 14399-1 for: general requirements; testing for conformity evaluation; evaluation of conformity; regulatory marking; for assemblies of high-strength structural fit bolts and nuts of system HV suitable for preloaded joints with, thread sizes M12 to M36 and bolt property class 10.9 and EN 14399-2 for suitability testing. This part gives requirements for: dimensions; associated washer(s) according to EN 14399-6; performance and suitability tests for assemblies with thread sizes M12 to M36 and bolt property class 10.9.