DANSK DS/EN 2886:1996
航空航天系列 螺钉 盘头 偏置十字凹槽 紧公差普通柄 短螺纹 合金钢 镀镉 等级:900 MPa(环境温度)/235°C
Aerospace series – Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated – Classification: 900 MPa (at ambient temperature)/235°C