ISO 5408:2009规定了螺纹的基本术语和定义。这些术语适用于对称螺纹和非对称螺纹,或圆柱螺纹和锥形螺纹。
ISO 5408:2009 specifies the fundamental terms and definitions for screw threads. These terms are applicable to symmetrical threads and unsymmetrical threads, or cylindrical threads and taper threads.