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  • BS EN ISO 10644:2009

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    Screw and washer assemblies made of steel with plain washers. Washer hardness classes 200 HV and 300 HV

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-07-2009

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Normative references
    3 Dimensions
    4 Specifications and reference International
      Standards
    5 Screw and washer combinations
    6 Coatings
    7 Designation
    Annex A (informative) - Methods for the production of screw
            and captive washer assemblies

    Abstract - (Show below) - (Hide below)

    Describes the requirements for metric screw and plain washer assemblies made of steel with coarse thread M2 to M12 inclusive, flat seating heads, property classes up to and including 10.9 and washer hardness classes 200 HV or 300 HV.

    Scope - (Show below) - (Hide below)

    This International Standard specifies the requirements for metric screw and plain washer assemblies made of steel with coarse thread M2 to M12 inclusive, flat seating heads, property classes up to and including 10.9 and washer hardness classes 200 HV or 300 HV.

    The plain washers are captive, i.e. prevented from disassembly and free to rotate.

    NOTE The manufacturing of screw and washer assemblies takes into consideration material and production procedure of screw blank and washer as well as the assembly process of components, in order to meet specification requirements (see AnnexA).

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

    Committee FME/9
    Development Note Supersedes 07/30161494 DC. (07/2009)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    ISO 10683:2014 Fasteners Non-electrolytically applied zinc flake coatings
    ISO 4042:1999 Fasteners Electroplated coatings
    ISO 14583:2011 Hexalobular socket pan head screws
    ISO 7045:2011 Pan head screws with type H or type Z cross recess Product grade A
    ISO 4015:1979 Hexagon head bolts Product grade B Reduced shank (shank diameter approximately equal to pitch diameter)
    ISO 4017:2014 Fasteners Hexagon head screws Product grades A and B
    ISO 15072:2012 Hexagon bolts with flange with metric fine pitch thread Small series Product grade A
    ISO 9717:2017 Metallic and other inorganic coatings Phosphate conversion coating of metals
    ISO 4762:2004 Hexagon socket head cap screws
    ISO 1207:2011 Slotted cheese head screws Product grade A
    ISO 1580:2011 Slotted pan head screws Product grade A
    ISO 15071:2011 Hexagon bolts with flange Small series Product grade A
    ISO 10673:2009 Plain washers for screw and washer assemblies Small, normal and large series Product grade A
    ISO 14579:2011 Hexalobular socket head cap screws
    ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screws and studs with specified property classes Coarse thread and fine pitch thread
    ISO 4014:2011 Hexagon head bolts Product grades A and B
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