This standard specifies the characteristics of hexagon weld nuts with flange, which are able to be combined with bolts and screws of property class 10.9.#,,#
DIN EN ISO 21670:2004 history
2014DIN EN ISO 21670:2014-09 Fasteners - Hexagon weld nuts with flange (ISO 21670:2014); German version EN ISO 21670:2014
2014DIN EN ISO 21670:2014 Fasteners - Hexagon weld nuts with flange (ISO 21670:2014); German version EN ISO 21670:2014
2004DIN EN ISO 21670:2004 Hexagon weld nuts with flange (ISO 21670:2003); German version EN ISO 21670:2003
DIN EN ISO 21670:2004 Hexagon weld nuts with flange (ISO 21670:2003); German version EN ISO 21670:2003 has been changed from DIN 977:1998 Hexagonal weld nuts with flange.