DIN 10:2009 Squares of parallel shanks for rotating tools
DIN 79:2013 Squares for operating spindles and operating elements
DIN EN ISO 225:2011 Fasteners - Bolts, screws, studs and nuts - Symbols and descriptions of dimensions (ISO 225:2010); Multilingual version EN ISO 225:2010
DIN EN ISO 4759-1:2001 Tolerances for fasteners - Part 1: Bolts, screws, studs and nuts; Product grades A, B and C (ISO 4759-1:2000); German version EN ISO 4759-1:2000
DIN ISO 272:1979 Fasteners; Width across Flats for Hexagon Products
DIN 475-1:2016 history
2016DIN 475-1:2016-11 Widths across flats for bolts, screws, valves and fittings
2016DIN 475-1:2016 Widths across flats for bolts, screws, valves and fittings
1984DIN 475-1:1984 Widths across flats for bolts, screws, valves and fittings