BS EN ISO 2320:2015:2016 Edition

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Fasteners. Prevailing torque steel nuts. Functional properties

Published By	Publication Date	Number of Pages
BSI	2016	30

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Categories: 21.060.20 - Nuts, BSI

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PDF Pages

PDF Title

European foreword
Endorsement notice

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
9.1 General
9.2 Proof load test
9.3 Prevailing torque test
9.3.1 General

9.3.2 Test apparatus
9.3.3 Test parts

9.3.4 Test procedure

9.3.5 Test report

Annex A (normative) Temperature influence on prevailing torques of nuts with non-metallic insert

Annex B (informative) Principles for the evaluation of the total coefficient of friction, μtot

Annex C (informative) Test clamp force and prevailing torques for prevailing torque nuts M3 and M4 in property classes 8 and 10

Bibliography

Status	Confirmed
Pages	30
Publication Date	2016-01-31
ISBN	978 0 580 86178 9
Standard Number	BS EN ISO 2320:2015
Title	Fasteners. Prevailing torque steel nuts. Functional properties
Identical National Standard Of	ISO 2320:2015, EN ISO 2320:2015
Replaces	BS EN ISO 2320:2008
Descriptors	Force, Grades (quality), Locknuts, Proof loading, Mechanical properties of materials, Mechanical testing, Performance testing, Performance, Vibration-resistant fasteners, Thermal testing, Torque, Force measurement, Threaded fasteners, Nuts, Fasteners, Steels, Threads
Publisher	BSI
Committee	FME/9
ICS Codes	21.060.20 - Nuts


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BS EN ISO 2320:2015:2016 Edition

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