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BS EN 14399-7:2007

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

High-strength structural bolting assemblies for preloading System HR. Countersunk head bolt and nut assemblies
Available format(s)

Hardcopy , PDF

Superseded date

07-13-2014

Language(s)

English

Published date

10-31-2010

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Bolts
5 Nuts
6 Designation of the countersunk head bolt/nut assembly
7 Associated washers
8 Functional characteristics of the bolt/nut/washer(s)
  assembly
Bibliography

Provides requirements for dimensions, associated washer(s) and performance and suitability tests for assemblies with thread sizes M12 to M36 and bolt property classes 8.8 and 10.9.

This document belongs to the suite of European Standards EN 14399 and is designed to be read in conjunction with EN 14399-1 for:

  • general requirements;

  • testing for conformity evaluation;

  • evaluation of conformity;

  • regulatory marking;

for assemblies of high-strength structural countersunk bolts and nuts of system HR suitable for preloaded joints with thread sizes M12 to M36 and bolt property classes 8.8 and 10.9 and EN 14399-2 for suitability testing.

This document gives requirements for:

  • dimensions;

  • associated washer(s) according to EN 14399-5 or to EN 14399-6;

  • performance and suitability tests;

for assemblies with thread sizes M12 to M36 and bolt property classes 8.8 and 10.9.

Countersunk bolt and nut assemblies to this document have been designed to allow preloading of at least 0,7 fub × As 1) according to EN 1993-1-8 (Eurocode 3) and to obtain ductility predominantly by elongation of the bolt. For this purpose the components have the following characteristics:

  • nut height according to style 1 (see EN ISO 4032),

  • thread length of the bolt according to ISO 888.

Committee
FME/9
DevelopmentNote
Together with BS EN 14399-1, BS EN 14399-2, BS EN 14399-3, BS EN 14399-4, BS EN 14399-5, BS EN 14399-6, BS EN 14399-8 and BS EN 14399-10 it supersedes BS 4395-1(1969) and BS 4395-2(1969). (07/2009)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

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 10684:2004 Fasteners — Hot dip galvanized coatings
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
EN 20898-2 : 1993 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992)
ISO 4032:2012 Hexagon regular nuts (style 1) — Product grades A and B
ISO 148-1:2016 Metallic materials — Charpy pendulum impact test — Part 1: Test method
EN 10045-1 : 1990 METALLIC MATERIALS - CHARPY IMPACT TEST - PART 1: TEST METHOD
PREN 1090-2 : DRAFT 2015 EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES
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 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
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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