标准摘要
[中文适用范围]： 本部分 ISO 11900 规定了用于轻载的 C 型和 D 型减缩型球锁冲头夹持器的尺寸和公差（以毫米为单位），以及其背衬塞的主要用途，即根据 ISO 10071-1 在钢板上冲孔时固定球锁冲头。它还提供了材料指南，并规定了符合其规范的球锁冲头夹持器的硬度和标记。 [外文原描述]： ISO 11900-2:2008 specifies the dimensions and their tolerances, in millimetres, of reduced ball-lock punch retainers, type C and type D, for light duty, and of their backing plug, the main use of which is the retention of ball-lock punches in accordance with ISO 10071-1, when punching holes in steel sheets. It also gives material guidelines, and specifies the hardness and designation of ball-lock punch retainers that are in accordance with its specifications.
英文名称Tools for pressing — Ball-lock punch retainers — Part 2: Types C and D, reduced for light duty