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Norm
ÖNORM EN 20898-7
Issue date: 1995 06 01
Mechanical properties of fasteners - Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm (ISO 898-7:1992)
This part of ISO 898 specifies a torsional test for the
determination of the breaking torque of bolts and
screws with nominal diameters 1 mm to 10 rnm with
property cl...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 8 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
This part of ISO 898 specifies a torsional test for the
determination of the breaking torque of bolts and
screws with nominal diameters 1 mm to 10 rnm with
property classes 8.8 to 12.9 in accordance with
ISO 898-1. The test applies to bolts and screws with
thread tess lhan M3 for whicli no breaking and proof
loads are indicated in JSO 898-1, as well as to short
bolts and screws with nominal diameters 3 mrn to
10 mm which cannot be subjected to a tensile test.
The rninimum breaking torques are not valid for
hexagon socket set screws.
ÖNORM EN 20898-7
1995 06 01
Mechanical properties of fasteners - Part 7: Torsional test and minimum torques for bolts and screws...
Norm
↖
Norm
ISO 898-1:1988
Issue date :
1988 02 18
Mechanical properties of fasteners — Part 1: Bolts, screws and studs
Norm
ISO 898-7:1992
Issue date :
1992 11 12
Mechanical properties of fasteners — Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm