本标准涵盖了公制有效扭矩六角螺母和六角法兰螺母的完整通用和尺寸数据。本标准中包含的尺寸数据并不意味着所有螺母尺寸以及本文所述的各种选项都是库存项目。请采购商与MAUNFACTURES就常用扭矩六角螺母和六角法兰螺母的库存生产清单进行协商。

This standard covers the complete general and dimensional data for metric prevailing-torque hex nuts and hex flange nuts. The inclusion of dimensional data in this standard is not intended to imply that all of the nut sizes in conjunction with the various options described herein are stock items. Purchasers are requested to consukt with maunfacturers concerning lists of stock production prevailing-torque hex and hex flange nuts.