DIN EN 4125:2010-05
Действует
Aerospace serie - Nuts, anchor, self-locking, fixed, two lug, reduced series, with incremental counterbore, in heat resisting steel, MoS <(Index)2> lubricated - Classification: 900 MPa (at ambient temperature) / 315 °C; German and English version EN 4125:2010
— 18 стр.