PREN 4071-1994
航空航天系列螺栓 普通六角头 小公差普通柄 短螺纹 钛合金 铝 IVD 涂层分类:1100 MPa(在环境温度下)/425 摄氏度(P1 版)
Aerospace Series Bolts@ Normal Hexagonal Head@ Close Tolerance Normal Shank@ Short Thread@ in Titanium Alloy@ Aluminium IVD Coated Classification : 1 100 MPa (at Ambient Temperature) / 425 Degrees C (Edition P1)