EN 3052-1993 航空航天系列.钝化耐热及耐腐蚀钢标准六角头紧公差普通杆短螺纹螺栓.等级-1100MPa(环境温度)/425℃;包含修改件A1-1993
Aerospace Series Bolts, Normal Hexagonal Head, Close Tolerance Normal Shank, Short Thread, in Heat and Corrosion Resisting Steel, Passivated Classification : 1 100 MPa (at Ambient Temperature)/425 Degrees C Includes Amendment A1 : 1993