ISO 10511:2012 specifies the characteristics of prevailing torque type hexagon thin nuts (with non-metallic insert) with thread from M3 up to and including M36, in product grade A for threads up to and including M16 and product grade B for threads above M
DS/EN ISO 10511:2013 history
2013DS/EN ISO 10511:2013 Prevailing torque type hexagon thin nuts (with non-metallic insert)
2004DS/EN 14366:2004 Laboratory measurement of noise from waste water installations