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  • EN 1661:1997

    Current The latest, up-to-date edition.

    Hexagon nuts with flange (ISO/DIS 4161:1996, 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 flange nuts

    Abstract - (Show below) - (Hide below)

    This European Standard gives specifications for hexagon nuts with flange, with threads from M5 to M20 inclusive, of product grade A threads up to and includingM16 and product grade B threads above M16 and property classes 8, 10, 12 and A2-70.

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

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

    Standards Referenced By This Book - (Show below) - (Hide below)

    VDI/VDE 2251 Blatt 1.1:2016-02 Bolted joints - Tensioned joints - Precision engineering components

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

    ISO 898-2:2012 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread
    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 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 20898-2 : 1993 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992)
    EN ISO 4759-1 : 2000 TOLERANCES FOR FASTENERS - PART 1: BOLTS, SCREWS, STUDS AND NUTS - PRODUCT GRADES A, B AND C
    ISO 8992:2005 Fasteners — General requirements for bolts, screws, studs and nuts
    ISO 3506-2:2009 Mechanical properties of corrosion-resistant stainless steel fasteners Part 2: Nuts
    ISO 3269:2000 Fasteners Acceptance inspection
    EN ISO 3506-2:2009 Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009)
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