ISO 7040:2012 specifies the characteristics of prevailing torque type hexagon regular nuts (with non-metallic insert) with threads from M3 up to and including M36, in product grade A for threads up to and including M16 and product grade B for threads abov
DS/EN ISO 7040:2013 history
2013DS/EN ISO 7040:2013 Prevailing torque type hexagon regular nuts (with non-metallic insert) - Property classes 5, 8 and 10
2010DS/EN 4700-007:2010 Aerospace series - Steel and heat resisting alloys - Wrought products - Technical specification - Part 007: Remelting stock
0000 DS/EN ISO 7040:1998
1985DS/ISO 7040:1985 Prevailing torque type hexagon nuts (with non-metallic insert), style 1. Property classes 5, 8 and 10