标准摘要
[中文适用范围]： 本国际标准规定了具有 60° 锥形头和缩径柄（柄部直径 D1 为 2 毫米或 3 毫米）的圆形冲头的尺寸和公差（以毫米为单位）。 它给出了材料和硬度的示例，并规定了满足本国际标准要求的冲头的名称。 本国际标准中定义的冲头的主要用途是在钢板上冲孔。 它们也可用于在其他材料上打孔。 [外文原描述]： ISO 9181:2007 specifies the dimensions and tolerances, in millimetres, for round punches with a 60° conical head and reduced shank, having shank diameters of 2 mm or 3 mm. ISO 9181:2006 gives examples of materials and hardness, and specifies the designation of punches which meet the requirements of this document. The main use of punches defined in ISO 9181:2006 is for punching holes in steel sheet. They may also be used for punching holes in other materials.
英文名称Tools for pressing — Round punches with 60 degrees conical head and reduced shank