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  • NEN EN ISO 10684 : 2004 C2 2009

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    Published date:  13-01-2013

    Publisher:  Netherlands Standards

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

    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Materials
       4.1 Raw material of parts
       4.2 Zinc
    5 Hot dip galvanizing procedures and precautions
       5.1 Stress relief
       5.2 Cleaning and pickling
       5.3 Baking
       5.4 Fluxing
       5.5 Hot dip galvanizing
       5.6 Spinning and quenching
       5.7 Special requirements for nuts
       5.8 Post-treatment
    6 Requirements on thread tolerances and additional marking
       6.1 General
       6.2 Requirements and precautions in assembling hot dip
           galvanized threaded fasteners
       6.3 Special requirements for marking when supplying
           fasteners in sealed containers
    7 Mechanical properties of nuts tapped oversize and
       undersize threaded bolts, screws and studs
    8 Coating requirements
       8.1 Appearance of zinc coating
       8.2 Considerations for hot dip galvanized washers
       8.3 Zinc coating thickness
       8.4 Adhesion of zinc coating
    9 Lubrication
    10 Ordering requirements
    11 Designation
    Annex A (normative) Special requirements for bolts, screws
            and nuts with thread sizes M8 and M10
    Annex B (normative) Limits of sizes for hot dip galvanized
            internal and external screw thread M8
    Annex C (informative) Calculation of minimum ultimate tensile
            loads and proof loads for bolts and screws M8 and M10
            with threads undersized to tolerance class 6az
    Annex D (informative) Surface areas of bolts, screws and nuts
    Annex E (normative) Adherence of hot-dip galvanized coating
    Annex F (informative) Strength of hot dip galvanized bolt or
            screw and nut assemblies

    Abstract - (Show below) - (Hide below)

    Provides material, process, dimensional and some performance requirements for hot dip spun galvanized coatings applied to coarse threaded steel fasteners from M8 up to and including M64 and for property classes up to and including 10.9 for bolts, screws and studs and 12 for nuts.

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    Development Note Supersedes NEN 2693. (09/2004)
    Document Type Standard
    Publisher Netherlands Standards
    Status Current
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