HS Code: 7318151001
Other screws and bolts, with tensile strength 800MPa or more, stem diameters exceeding 6mm ( whether or not with their nuts or washers, not used for the maintenance and repair of Civil Aircraft)
抗拉强度≥800兆帕,杆径>6mm的其他螺钉及螺栓(不包括不锈钢紧固件);