ISO 12261:1996 航空航天 强度等级小于或等于1100MPa、金属材料制成、有涂覆或未涂覆、长长度MJ螺纹、中径杆型、内偏高扭矩十字槽或无打滑扳动的平头螺钉 尺寸
Aerospace - Screws, pan head, internal offset cruciform ribbed or unripped drive, pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa - Dimensions