本标准涵盖了各种设备的完整通用数据和尺寸数据 被公认为“美国”的开槽和凹头木螺钉类型 国家标准。“还包括附录，其中提供了规范和 凹头螺钉的穿透测量和摆动测量说明； 降级为非首选状态的螺钉头类型的文件；和公式 维度数据的基础。然而，应当理解的是 出现了有关产品验收的问题，如图纸中给出的尺寸 表格应适用于公式的重新计算。维度数据的包含 在本标准中，并不意味着所描述的所有产品都是库存产品 生产规模。消费者应咨询制造商有关产品的信息 产品的可用性。

This standard covers the complete general and dimensional data for the various types of slotted and recessed head wood screws recognized as "American National Standard." Also included are appendixes which provide specifications and instructions for penetration gaging and wobble gaging of recessed head screws; documentation for screw head types relegated to non-preferred status; and formulas on which dimensional data are based. It shall be understood, however, that where questions arise concerning acceptance of product, the dimensions given in the tables shall govern over recalculation by formula. The inclusion of dimensional data in this standard is not intended to imply that all of the products described are stock production sizes. Consumers should consult with manufacturers concerning the availability of products.