BS EN 4116:2004
航空航天系列.耐热钢FE-PA2601(A286)制自锁,带镀银螺纹的六角螺母.等级:1100 MPa(室温)/425℃
Aerospace series - Nuts, hexagonal, self-locking, in heat resisting steel FE-PA2601 (A286), silver plated on thread - Classification - 1 100 MPa (at ambient temperature) / 425 °C