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

This standard was last reviewed and confirmed* in 2015.

*Therefore this version remains current


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.


  • Document published on: 1992-11
    Edition: 1 (Monolingual) ICS: 21.060.10
    Status: Published Stage: 90.93 (2015-10-20)
    TC/SC: ISO/TC 2/SC 11 Number of Pages: 4
  • This standard has not been revised

  • No corrigenda or amendments available

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