NF EN 20898-7 : 1995
Current
The latest, up-to-date edition.
MECHANICAL PROPERTIES OF FASTENERS - PART 7: TORSIONAL TEST AND MINIMUM TORQUES FOR BOLTS AND SCREWS WITH NOMINAL DIAMETERS 1 MM TO 10 MM
01-12-2013
Committees responsible
National foreword
Foreword
Specification
1. Scope
2. Normative references
3. Torsional test
4. Minimum breaking torques
5. Evaluation of the torque test
Annexes
A. (informative) Explanatory note
ZA. (normative) Normative references to international
publications with their relevant European
publications
Tables
1. Strength ratio X
2. Minimum breaking torques
Figure
1. Example of a device for the torsional test
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