DIN EN 4421:2008 航空航天系列.带锯齿状、耐腐蚀钢锁紧环、MoS2涂覆的、TI-P64001钛合金螺柱.强度等级:1100MPa(室温)
Aerospace series - Studs, in titanium alloy TI-P64001, MoS2 coated, with serrated locking ring in corrosion resisting steel - Strength Class: 1100 MPa (at ambient temperature); German and English version EN 4421:2007