BS EN 14399-4:2005
High-strength structural bolting assemblies for preloading. System HV. Hexagon bolt and nut assemblies

Standard No.

BS EN 14399-4:2005

Release Date

2005

Published By

British Standards Institution (BSI)

Status

Be replaced 2015-02

Replace By

BS EN 14399-4:2015

Latest

BS EN 14399-4:2015

Replace

02/704463 DC-2002 BS 4395-1:1969 BS 4395-2:1969

Scope

This document specifies together with EN 14399-1 the requirements for assemblies of high-strength structural bolts and nuts of system HV suitable for preloaded joints with large widths across flats, thread sizes M 12 to M 36 and property classes 10.9/10. Bolt and nut assemblies to this document have been designed to allow preloading of at least 0,7 fub×As 1) according to ENV 1993-1-1 (Eurocode 3) and to obtain ductility predominantly by plastic deformation of the engaged threads. For this purpose the components have the following characteristics:  nut height approximately 0,8 d  bolt with short thread length Bolt and nut assemblies according to this document include washers according to EN 14399-6 or to EN 14399-5 (under the nut only). NOTE Attention is drawn to the importance of ensuring that the bolts are correctly used if satisfactory result are to be obtained. For recommendations concerning proper application, reference to ENV 1090-1 is made. The test method for suitability for preloading is specified in EN 14399-2. Clamp lengths for the bolt/nut/washer assemblies are given in the normative Annex A.

BS EN 14399-4:2005 Referenced Document

• EN 10045-1 Metal Products, Mechanical Tests, Charpy Impact Tests, Test Specimens, Testing Conditions
• EN 14399-1 High-strength structural bolting assemblies for preloading - Part 1: General requirements*， 2015-02-01 Update
• EN 14399-2 High-strength structural bolting assemblies for preloading - Part 2: Suitability for preloading*， 2015-02-01 Update
• EN 14399-5 High-strength structural bolting assemblies for preloading - Part 5: Plain washers*， 2015-02-01 Update
• EN 14399-6 High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers*， 2015-02-01 Update

BS EN 14399-4:2005 history

• 2015 BS EN 14399-4:2015 High-strength structural bolting assemblies for preloading. System HV. Hexagon bolt and nut assemblies
• 2009 BS EN 14399-10:2009 High-strength structural bolting assemblies for preloading - Part 10:System HRC - Bolt and nut assemblies with calibrated preload
• 1969 BS 4395-2:1969 Specification for high strength friction grip bolts and associated nuts and washers for structural engineering. Higher grade bolts and nuts and general grade washers