UNE-EN 1667:1998
Current
The latest, up-to-date edition.
Prevailing torque type all-metal hexagon nuts with flange metric fine pitch thread (ISO 12126:1997, modified)
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Spanish, Castilian, English
09-11-1998
Defines characteristics of prevailing torque type all metal hexagon nuts with flange and metric fine pitch thread with nominal thread diameters d from 8 mm up to and including 20 mm, in product grade A for sizes d not in excess of 16 mm and product grade B for sizes d greater than 16 mm and property classes 6, 8 and 10.
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