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I.S. EN ISO 2320:2015

Current
Current

The latest, up-to-date edition.

FASTENERS - PREVAILING TORQUE STEEL NUTS - FUNCTIONAL PROPERTIES (ISO 2320:2015)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2015

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

National Foreword
European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Thread
6 Lubrication
7 Mechanical properties of prevailing torque nuts
8 Functional requirements for prevailing torque properties
9 Test method
Annex A (normative) - Temperature influence on prevailing
        torques of nuts with nonmetallic insert
Annex B (informative) - Principles for the evaluation of the
        total coefficient of friction, [mu]tot
Annex C (informative) - Test clamp force and prevailing
        torques for prevailing torque nuts M3 and M4 in
        property classes 8 and 10
Bibliography

Describes the functional properties for prevailing torque steel nuts when tested at an ambient temperature range of +10 degrees C to +35 degrees C.

DocumentType
Standard
Pages
36
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

ISO 16047:2005 Fasteners — Torque/clamp force testing
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 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 262:1998 ISO general purpose metric screw threads — Selected sizes for screws, bolts and nuts
ISO 68-1:1998 ISO general purpose screw threads — Basic profile — Part 1: Metric screw threads
ISO 273:1979 Fasteners — Clearance holes for bolts and screws
ISO 261:1998 ISO general purpose metric screw threads General plan
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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