ISO 898-7:1992
Mechanical properties of fasteners; part 7: torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm

Standard No.

ISO 898-7:1992

Release Date

1992

Published By

International Organization for Standardization (ISO)

Latest

ISO 898-7:1992

Scope

Applies to bolts and screws of property classes 8.8 to 12.9 in accordance with ISO 898-1 with thread less than M3 for which no breaking and proof loads are indicated in ISO 898-1, as well as to short bolts and screws with nominal diameters 3 mm to 10 mm which cannot be subjected to a tensile test. The minimum breaking torques are not valid for hexagon socket set screws.

ISO 898-7:1992 history

• 1992 ISO 898-7:1992 Mechanical properties of fasteners; part 7: torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm