ISO 7720:2012Withdrawn

Prevailing torque type all-metal hexagon nuts, style 2 — Property class 9

Écrous hexagonaux autofreinés tout métal, style 2 — Classe de qualité 9

This edition has been replaced by ISO 7720:2025.

Abstract / scope

ISO 7720:2012 specifies the characteristics of prevailing torque type all-metal hexagon nuts, of style 2, with threads from M5 up to and including M36, in product grade A for threads up to and including M16, and product grade B for threads over M16, and with property class 9.

Life cycle

Replaces

ISO 7720:1997WithdrawnPrevailing torque type all-metal hexagon nuts, style 2 — Property class 9International Standard · Published 30 Oct 1997 · ISO/TC 2/SC 12

Replaced by

ISO/PWI 7042Deleted (project abandoned)Prevailing torque (all-metal) hexagon high nuts — Product grades A and BInternational Standard · ISO/TC 2/SC 12 ISO/NP 7720Deleted (project abandoned)Prevailing torque type all-metal hexagon nuts, style 2 — Property class 9International Standard · ISO/TC 2/SC 12 ISO/DIS 7042Deleted (project abandoned)Prevailing torque (all-metal) hexagon high nuts — Product grades A and BInternational Standard · ISO/TC 2/SC 12 ISO 7720:2025PublishedFasteners — Prevailing torque hexagon nuts — High nuts (all metal) with slot(s)International Standard · Published 10 Jun 2025 · ISO/TC 2/SC 12