SIS SS-ISO 7040:1988
Prevailing torque type hexagon nuts (with non-metallic insert), style 1 - Property classes 5, 8 and 10

Standard No.

SIS SS-ISO 7040:1988

Release Date

1988

Published By

SE-SIS

Latest

SIS SS-ISO 7040:1988

Scope

This International Standard specifles the characteristics of prevailing torque type hexagon nuts, style 1, with non-metallic annular insert and thread sizes from M 3 to M 36 inclusive, in product grades A (d < M 16) and B (d > M 16), and property classes 5, 8 and 10. IMOTE — The dimensions of the nuts correspond to those given in ISO 4032 plus prevailing torque feature. If other specifications are required, it is recommended that they should be selected from existing International Standards, for example ISO 261, ISO 898, ISO 965, ISO 2320, ISO 4759/1.

SIS SS-ISO 7040:1988 history

• 1988 SIS SS-ISO 7040:1988 Prevailing torque type hexagon nuts (with non-metallic insert), style 1 - Property classes 5, 8 and 10