BH GSO ISO 898-7:2015
ISO 898-7:1992
Bahraini Standard
Current Edition
·
Approved on
12 August 2015
Mechanical properties of fasteners -- Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm
BH GSO ISO 898-7:2015 Files
Arabic
7 Pages
Current Edition
BHD
30.34
English
4 Pages
Current Edition
Reference Language
BHD
19.93
BH GSO ISO 898-7:2015 Scope
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 mm with property classes 8.8 to 12.9 in
accordance with ISO 898-1. The test applies to bolts and screws with thread less than M3 for
which no breaking and proof loads are indicated in ISO 898-1, as well as to shot-t bolts and
screws with nominal diameters 3 mm to10 mm which cannot be subjected to a tensile test. The
minimum breaking torques are not valid for hexagon socket set screws.
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