This standard specifies, together with EN 14399-1, hardened and tempered plain washers intended for assembly with large series hexagon high-strenght structural bolts and nuts with threads from M12 to M36 inclusive. Washers according to this standard can be applied under the nut only.
DS/EN 14399-5:2005 history
2006DS/EN 14399-5/AC:2006 High-strength structural bolting assemblies for preloading - Part 5: Plain washers
2005DS/EN 14399-5:2005 High-strength structural bolting assemblies for preloading - Part 5: Plain washers