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Standard
UNE-EN 1661:1998

UNE-EN 1661:1998

Tuercas hexagonales con valona. (ISO/DIS 4161:1996, modificada).

HEXAGON NUTS WITH FLANGE (ISO/DIS 4161:1996, MODIFIED).

Ecrous hexagonaux à embase cylindro-tronconique (ISO/DIS 4161:1996, modifiée)

Publication Date:
1998-09-11 /Vigente
Version confirmed on:
2023-04-13
International equivalences:

EN 1661:1997 (Identical)

EN 1661:1997/AC:1998 (Identical)

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