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  • EN 1666:1997

    Current The latest, up-to-date edition.

    Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread (ISO 12125:1997, modified)

    Available format(s): 

    Language(s): 

    Published date:  17-12-1997

    Publisher:  Comite Europeen de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Dimensions
    4 Requirements and reference European
      or International Standards
    5 Designation
    Annex A (normative) - Gauging of hexagon nuts with flange

    Abstract - (Show below) - (Hide below)

    This European Standard specifies the characteristics of prevailing torque type hexagon nuts with flange, with non-metallic annular insert and metric fine pitchthread with nominal thread diameters from 8 up to and including 20 mm, in product grade A for sizes d up to and including 16 mm and product grade B for sizes d > 16 mm and property classes 6, 8 and 10.

    General Product Information - (Show below) - (Hide below)

    Committee CEN/TC 185
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 4042:1999 Fasteners Electroplated coatings
    EN ISO 4042:1999 FASTENERS - ELECTROPLATED COATINGS (ISO 4042:1999)
    ISO 4759-1:2000 Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Product grades A, B and C
    ISO 2320:2015 Fasteners Prevailing torque steel nuts Functional properties
    ISO 724:1993 ISO general-purpose metric screw threads — Basic dimensions
    EN 493 : 1992 FASTENERS - SURFACE DISCONTINUITIES - NUTS
    ISO 965-2:1998 ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general purpose external and internal screw threads — Medium quality
    EN ISO 4759-1 : 2000 TOLERANCES FOR FASTENERS - PART 1: BOLTS, SCREWS, STUDS AND NUTS - PRODUCT GRADES A, B AND C
    EN ISO 2320:2015 Fasteners - Prevailing torque steel nuts - Functional properties (ISO 2320:2015)
    ISO 8992:2005 Fasteners — General requirements for bolts, screws, studs and nuts
    ISO 3269:2000 Fasteners Acceptance inspection
    View more information

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