1.1 本规范涵盖了用于插入和移除用作外科植入物的金属螺钉的螺丝刀钻头的可接受尺寸和公差。 1.2 本规范部分基于ISO 8319-1、ISO 8319-2和ISO 10664 1.3 本规范中描述的带钻头的螺丝刀适用于规范中描述的螺钉 F543页 ，ISO 5835和ISO 9268。 1.4 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.5 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.6 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification covers the acceptable dimensions and tolerances for bits of screwdrivers to insert and remove metal screws used as surgical implants. 1.2 This specification is based, in part, upon ISO 8319-1, ISO 8319-2, and ISO 10664. 1.3 The screwdrivers with the bits described in this specification are suitable for use with screws described in Specification F543 , ISO 5835, and ISO 9268. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.