ISO 14581:2013 Preview
Fasteners -- Hexalobular socket countersunk flat head screws
This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
ISO 14581:2013 specifies the characteristics of hexalobular socket countersunk flat head screws in product grade A and with threads from M2 to M10 inclusive and with reduced loadability (according to Table 3).
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