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  • PREN 14399-7 : DRAFT 2015

    Current The latest, up-to-date edition.

    HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 7: SYSTEM HR - COUNTERSUNK HEAD BOLT AND NUT ASSEMBLIES

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    Language(s): 

    Published date:  24-12-2015

    Publisher:  Comite Europeen de Normalisation

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

    European foreword
    Introduction
    1 Scope
    2 Normative references
    3 Bolts
    4 Nuts
    5 Designation of the bolt/nut assemblies
    6 Associated washers
    7 Functional characteristics of the bolt/nut/washer
      assembly
    Annex A (normative) - Clamp lengths and grip
            lengths
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines, together with EN 14399-1 and EN 14399-2, the requirements for assemblies of high-strength structural countersunk bolts and nuts of system HR suitable for preloaded joints with thread sizes M12 to M36 and property classes 8.8/8 or 8.8/10 and 10.9/10.

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

    Comment Closes On
    Committee TC 185
    Document Type Draft
    Publisher Comite Europeen de Normalisation
    Status Current

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

    05/30132920 DC : DRAFT APR 2005 EN 1090-2 - EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR THE EXECUTION OF STEEL STRUCTURES

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

    ISO 272:1982 Fasteners — Hexagon products — Widths across flats
    EN 14399-8:2007 High-strength structural bolting assemblies for preloading - Part 8: System HV - Hexagon fit bolt and nut assemblies
    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
    EN 14399-3:2015 High-strength structural bolting assemblies for preloading - Part 3: System HR - Hexagon bolt and nut assemblies
    ISO 965-5:1998 ISO general purpose metric screw threads — Tolerances — Part 5: Limits of sizes for internal screw threads to mate with hot-dip galvanized external screw threads with maximum size of tolerance position h before galvanizing
    ISO 4759-1:2000 Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Product grades A, B and C
    ISO 6157-1:1988 Fasteners — Surface discontinuities — Part 1: Bolts, screws and studs for general requirements
    EN 26157-1 : 1991 FASTENERS - SURFACE DISCONTINUITIES - PART 1: BOLTS, SCREWS AND STUDS FOR GENERAL REQUIREMENTS
    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
    ISO 4032:2012 Hexagon regular nuts (style 1) — Product grades A and B
    ISO 3508:1976 Thread run-outs for fasteners with thread in accordance with ISO 261 and ISO 262
    EN ISO 4759-1 : 2000 TOLERANCES FOR FASTENERS - PART 1: BOLTS, SCREWS, STUDS AND NUTS - PRODUCT GRADES A, B AND C
    EN ISO 3269:2000 FASTENERS - ACCEPTANCE INSPECTION
    EN 14399-6:2015 High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers
    EN 14399-1:2015 High-strength structural bolting assemblies for preloading - Part 1: General requirements
    ISO 888:2012 Fasteners — Bolts, screws and studs — Nominal lengths and thread lengths
    EN 14399-4:2015 High-strength structural bolting assemblies for preloading - Part 4: System HV - Hexagon bolt and nut assemblies
    EN 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 898-1:2013)
    ISO 261:1998 ISO general purpose metric screw threads General plan
    EN 1090-2:2008+A1:2011 EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES
    ISO 6157-2:1995 Fasteners Surface discontinuities Part 2: Nuts
    EN ISO 6157-2:2004 Fasteners - Surface discontinuities - Part 2: Nuts (ISO 6157-2:1995)
    EN ISO 4032:2012 Hexagon regular nuts (style 1) - Product grades A and B (ISO 4032:2012)
    EN ISO 10684:2004/AC:2009 Fasteners - Hot dip galvanized coatings (ISO 10684:2004/Cor 1:2008)
    EN 14399-5:2015 High-strength structural bolting assemblies for preloading - Part 5: Plain washers
    EN 1993-1-8:2005/AC:2009 EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-8: DESIGN OF JOINTS
    ISO 3269:2000 Fasteners Acceptance inspection
    EN 14399-2:2015 High-strength structural bolting assemblies for preloading - Part 2: Suitability for preloading
    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
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