Hexalobular socket pan head screws (ISO 14583:2001); German version EN ISO 14583:2001, Corrigenda to DIN EN ISO 14583:2002-05; German version EN ISO 14583:2001/AC:2005— 2 стр.
Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV (ISO 10644:2009); German version EN ISO 10644:2009— 12 стр.