ISO 12126:2012 Preview
Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread, style 2 -- Product grades A and B
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
ISO 12126:2012 specifies the characteristics of prevailing torque type all metal hexagon nuts with flange (style 2), and metric fine pitch thread with nominal thread diameters from 8 mm up to and including 20 mm, in product grade A for diameter sizes less than or equal to 16 mm and product grade B for diameter sizes greater than 16 mm, and with property classes 6, 8 and 10.
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