DIN EN 2810-2001 航空航天系列.耐热钢制钝化标称对边高度降低的槽头/齿形头六角螺母.等级:900MPa(室温)/650℃; 德文版本 EN 2810:2001
Aerospace series - Nuts, hexagon, slotted/castellated, reduced height, normal across flats, in heat resisting steel, passivated - Classification: 900 MPa (at ambient temperature)/650 °C; German version EN 2810:2001
The document specifies the characteristics of hexagonal slotted/castellated nuts, reduced height, normal across flats, in heat resisting steel, passivated; Classification 900 MPa (at ambient temperature)/650 ?