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  • EN 493 : 1992

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    FASTENERS - SURFACE DISCONTINUITIES - NUTS

    Available format(s): 

    Superseded date:  01-07-2004

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Comite Europeen de Normalisation

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

    Foreword
    1 Scope
    2 Normative references
    3 Types, causes, appearance and limits of surface
       discontinuities
    4 Inspection and evaluation procedure
    Annex A (normative) Widening test on nuts
    Annex B (normative) Cone proof load test on nuts

    Abstract - (Show below) - (Hide below)

    Sets limits for several types of surface discontinuities on nuts of product grades A and B with thread diameters from 5 mm to 39 mm inclusive. Also includes detailed annexes.

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

    Committee TC 185
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Superseded
    Superseded By

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

    02/704463 DC : DRAFT MAR 2002 PREN 14399-4 - HIGH-STRENGTH STRUCTURAL BOLTING FOR PRELOADING - PART 4: SYSTEM HV - HEXAGON BOLT AND NUT ASSEMBLIES
    DIN 6915:1999-12 HEXAGON NUTS WITH LARGE WIDTHS ACROSS FLATS FOR HIGH STRENGTH STRUCTURAL BOLTING
    DIN EN 14218 E : 2003 HEXAGON NUTS WITH FLANGE - FINE PITCH THREAD
    BS EN 14218:2003 Hexagon nuts with flange. Fine pitch thread
    DIN EN 1664:1998-02 PREVAILING TORQUE TYPE - ALL-METAL HEXAGON NUTS WITH FLANGE
    02/704462 DC : DRAFT MAR 2002 PREN 14399-3 - HIGH-STRENGTH STRUCTURAL BOLTING FOR PRELOADING - PART 3: SYSTEM HR - HEXAGON BOLT AND NUT ASSEMBLIES
    DIN EN 1663:1998-02 PREVAILING TORQUE TYPE HEXAGON NUTS WITH FLANGE (WITH NON-METALLIC INSERT)
    DIN EN 1667:1998-02 PREVAILING TORQUE TYPE ALL HEXAGON NUTS WITH FLANGE, WITH METRIC FINE PITCH THREAD
    BS EN 1664:1998 Prevailing torque type all-metal hexagon nuts with flange
    EN 1666:1997 Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread (ISO 12125:1997, modified)
    DIN EN 1666:1998-02 PREVAILING TORQUE TYPE HEXAGON NUTS WITH FLANGE (WITH NON-METALLIC INSERT), WITH METRIC FINE PITCH THREAD
    BS EN 1661:1998 Hexagon nuts with flange
    BS EN 1663:1998 Prevailing torque type hexagon nuts with flange (with non-metallic insert)
    EN 1664:1997 Prevailing torque type all-metal hexagon nuts with flange (ISO 7044:1997, modified)
    EN 1663:1997 Prevailing torque type hexagon nuts with flange (with non-metallic insert) (ISO 7043:1997, modified)
    EN 1661:1997 Hexagon nuts with flange (ISO/DIS 4161:1996, modified)
    EN 14218:2003 Hexagon nuts with flange - Fine pitch thread (ISO 10663:1999, modified)
    EN 1667:1997 Prevailing torque type all-metal hexagon nuts with flange metric fine pitch thread (ISO 12126:1997, modified)
    BS EN 1667:1998 Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread
    BS EN 1666:1998 Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread
    DIN EN 14218:2003-09 HEXAGON NUTS WITH FLANGE - FINE PITCH THREAD

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

    ISO 2320:2015 Fasteners Prevailing torque steel nuts Functional properties
    EN 20898-2 : 1993 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992)
    ISO 898-6:1994 Mechanical properties of fasteners Part 6: Nuts with specified proof load values Fine pitch thread
    ISO 468:1982 Surface roughness — Parameters, their values and general rules for specifying requirements
    ISO 3269:2000 Fasteners Acceptance inspection
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