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PD ISO/TR 16224:2012

Current
Current

The latest, up-to-date edition.

Technical aspects of nut design
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-31-2012

Foreword
1 Scope
2 Normative references
3 Symbols
4 Design principle
5 Calculation methods of bolt and nut assemblies in
  accordance with Alexander's theory
6 Comparison among specified values in ISO 898-2
  and calculated results
Bibliography

Provides information concerning the design criteria for nuts specified in ISO 898-2 so that, under static tensile overload, the stripping fracture mode is prevented.

This Technical Report gives information concerning the design criteria for nuts specified in ISO898-2 so that, under static tensile overload, the stripping fracture mode is prevented.

The design criteria are also applicable to non-standardized nuts or internally threaded elements with ISO metric screw threads (in accordance with ISO68-1) mating with bolts. However, dimensional factors such as the width across flats or other features related to rigidity of nuts, and thread tolerances can affect the loadability of the individual bolt and nut assemblies. Therefore, it is intended that verification tests be carried out.

NOTE The terms “bolt” and “nut” are used as the general terms for externally and internally threaded fasteners, respectively.

Committee
FME/9
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Current

Standards Relationship
ISO/TR 16224:2012 Identical

ISO 8673:2012 Hexagon regular nuts (style 1) with metric fine pitch thread — Product grades A and B
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 8674:2012 Hexagon high nuts (style 2) with metric fine pitch thread — Product grades A and B
ISO 4034:2012 Hexagon regular nuts (style 1) Product grade C
ISO 724:1993 ISO general-purpose metric screw threads — Basic dimensions
ISO 68-1:1998 ISO general purpose screw threads — Basic profile — Part 1: Metric screw threads
ISO 4033:2012 Hexagon high nuts (style 2) — Product grades A and B
ISO 18265:2013 Metallic materials — Conversion of hardness values
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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