UNE-EN 1663:1998
Current
The latest, up-to-date edition.
Prevailing torque type hexagon nuts with flange (with non-metallic insert) (ISO 7043:1997, modified)
Hardcopy , PDF
Spanish, Castilian, English
09-11-1998
Defines the characteristics of prevailing torque type hexagon nuts with flange, having non-metallic annular insert and coarse 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 with property classes 8 and 10.
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