Historical
ISO 7044:1997
Prevailing torque type all-metal hexagon nuts with flange - Product grades A and B
This International Standard specifies the characteristics of prevailing torque type all-metal hexagon nuts with flange and threads from M5 to M20 inclusive, in product grade A for threads up to and including M16 and product grade B for threads above M16, and with property classes 8, 9, 10 and 12.
If other specifications are required, they should be selected from existing International Standards, for example ISO 261, ISO 965-2, ISO 2320 and ISO 4759-1.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]
