1.1 本规范涵盖了标称螺纹0.06（尺寸0）至1.500 in.的商用锻造有色金属螺栓、六角有头螺钉和双头螺栓（0.250至1.500英寸）、内六角有帽螺钉（包括内六角头、平头和沉头配置）以及标称螺纹0.112（尺寸4）至0.625的低头内六角螺钉的要求( 5. / 8. )英寸（包括直径），由多种常用合金制成，用于一般用途。 1.2 与本规范涵盖的螺栓、带帽螺钉和螺柱一起使用的适用螺母包含在本规范中 第467页 。 1.2.1、 以英寸磅为单位的数值应视为标准。本标准中不包括其他计量单位。 注1: 规范的完整公制配套 功能468 已开发- 4.68亿英镑 ；因此在本说明书中没有给出度量等价物。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。 ====意义和用途====== 12.1 为了确定是否符合本规范中列出的性能要求的规定限值，应根据实践对观测值或计算值进行四舍五入 第29页 。

1.1 This specification covers the requirements for commercial wrought nonferrous bolts, hex cap screws, and studs 0.250 to 1.500 in., socket head cap screws (including socket head cap, button head and flat countersunk head configurations) with nominal thread 0.06 (size 0) through 1.500 in. and low head socket cap screws with nominal thread 0.112 (size 4) through 0.625 ( 5 / 8 ) in. inclusive in diameter manufactured from a number of alloys in common use and intended for general service applications. 1.2 Applicable nuts for use with bolts, cap screws, and studs covered by this specification are covered by Specification F467 . 1.2.1 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard. Note 1: A complete metric companion to Specification F468 has been developed— F468M ; therefore no metric equivalents are presented in this specification. 1.3 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. ====== Significance And Use ====== 12.1 For purposes of determining compliance with the specified limits for requirements of the properties listed in this specification, an observed value or calculated value shall be rounded in accordance with Practice E29 .