BS EN 4845:2022
航空航天系列 螺钉 100° 沉头普通头 螺旋驱动凹槽 短螺纹 采用耐热钢 FE-PA2601(A286)钝化 等级:900MPa(环境温度)/650 °C
Aerospace series. Screw, 100° countersunk normal head, Spiral Drive Recess, short thread, in heat resisting steel FE-PA2601 (A286), passivated. Classification: 900 MPa (at ambient temperature)/650 °C