UNI EN 20898-7 : 1996
Current
The latest, up-to-date edition.
MECHANICAL PROPERTIES OF FASTENERS - TORSIONAL TEST AND MINIMUM TORQUES FOR BOLTS AND SCREWS WITH NOMINAL DIAMETERS 1 MM TO 10 MM
31-07-1996
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.
| Committee |
CT 31
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| SN EN 20898-7 : 1995 | Identical |
| EN 20898-7:1995 | Identical |
| NF EN 20898-7 : 1995 | Identical |
| I.S. EN 20898-7:1995 | Identical |
| UNE-EN 20898-7:1996 | Identical |
| BS EN 20898-7:1995 | Identical |
| NBN EN 20898-7 : 1995 | Identical |
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