BS EN 3712:2007
航空航天系列.润滑的MoS2钢制镀镉带沉孔缩径系列的单耳防松自锁紧固定螺母
Aerospace series - Nuts, anchor, self-locking, one lug, fixed, reduced series, with counterbore, in steel, cadmium plated, MoS2, lubricated - Classification: 1100 MPa (at ambient temperature)/235°C