DS DS/EN 20225
DS DSEN 20225 1992-JUN-22 Fasteners - Bolts screws studs and nuts - Symbols and desgnatons of dmensons
DS DSEN 20225 1992-JUN-22 Fasteners - Bolts screws studs and nuts - Symbols and desgnatons of dmensons
The standard lays down the method of dimensioning bolts, screws, studs and nuts, recommended for use unless otherwise specified in the appropriate product standards. It includes common symbols and describes the feature.