BS EN 4125:2010
航空航天系列.MoS2润滑的耐热钢增量沉孔递减系列双耳自锁紧固定螺母.等级:900MPa(室温)/315℃
Aerospace series - Nuts, anchor, self-locking, fixed, two lug, reduced series, with incremental counterbore, in heat resisting steel, MoS2 lubricated - Classification: 900 MPa (at ambient temperature)/315 °C