NEN EN 1663 : 1998
Current
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The latest, up-to-date edition.
PREVAILING TORQUE TYPE HEXAGON NUTS WITH FLANGE (WITH NON-METALLIC INSERT)
Published date
01-12-2013
Publisher
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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