I.S. EN 1664:1998
Current
The latest, up-to-date edition.
PREVAILING TORQUE TYPE ALL-METAL HEXAGON NUTS WITH FLANGE
Hardcopy , PDF
English
01-01-1998
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Defines characteristics of prevailing torque type all-metal hexagon nuts having flange and threads from M5 and M20 inclusive, in product grade A for threads up to and including M16 and product grade B for threads over M16 and with property classes 8, 10 and 12.
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