Published
This European Standard specifies the characteristics of prevailing torque type all-metal hexagon nuts with flange and threads from M5 to M20 inclusive, in product grade A for threads up to and including M16 and product grade B for threads above M16 and property classes 8, 10 and 12.
PUBLISHED
SSH EN 1664:1997
60.60
Standard published
Jan 1, 2006