Prevailing torque type all-metal hexagon nuts with flange (ISO 7044:1997, modified)
This European 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 property classes 8, 10 and 12.
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