NBN 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 TOT 10 MM
12-01-2013
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
Specifies a torsional test for the determination of the breaking torque of bolts and screws with nominal diameters 1 mm to 10 mm. Applies to bolts and screws with thread less than M3, and to short bolts and screws with nominal diameters 3 mm to 10 mm which cannot be subjected to a tensile test.
| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
|
| Status |
Current
|
| Standards | Relationship |
| ISO 898-7:1992 | Identical |
| UNE-EN 20898-7:1996 | Identical |
| EN 20898-7:1995 | Identical |
| BS EN 20898-7:1995 | Identical |
| UNI EN 20898-7 : 1996 | Identical |
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