BS ISO 5856-2008 航空航天.强度等级小于或等于1100MPa、金属材料制成、有涂层或无涂层、带有短或中等长度MJ螺纹、标称杆、内置偏移十字形肋状或非肋状驱动的100°标称埋头螺钉.尺寸
Aerospace - Screws, 100 degrees normal countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa - Dimensio