Draft Document - Aerospace series - Bihexagonal head bolts, close tolerance, with medium-length MJ thread, corrosion resisting nickel alloy - Nominal tensile strength 1550 MPa, for temperatures up to 315 °C
文件草稿.航空航天系列.耐腐蚀镍合金中长MJ螺纹紧公差双六角头螺栓.温度高达315℃时的标称抗拉强度1550 MPa