This Standard specifies requirements for button head screws with hexalobular socket and threads from M3 through M12 in product grade A with reduced loadability according to Table 3.
DIN 34805-1:2017 history
2018DIN 34805-1:2018-12 Button head screws - Part 1: Driving feature hexalobular socket
2018DIN 34805-1:2018 Button head screws - Part 1: Driving feature hexalobular socket
2017DIN 34805-1:2017 Button head screws - Part 1: Driving feature hexalobular socket