标准摘要
[中文适用范围]： 本国际标准规定了测试方法和性能要求，以确保通过六角螺母和平座系紧垫圈与 18 毫米、20 毫米和 22 毫米螺柱正确组装在道路车辆上的车轮或轮辋。 它适用于 ISO 3833 中定义的商用车辆和 ISO 7575 中指定的螺母。 它不适用于不太常见或特殊应用的紧固件。 [外文原描述]： This International Standard specifies test methods and performance requirements for ensuring proper wheel or rim assembly on road vehicles by means of hexagonal nuts with a flat seating captive washer used with 18 mm, 20 mm and 22 mm studs. It is applicable to commercial vehicles as defined in ISO 3833 and to those nuts as specified in ISO 7575. It is not applicable to fasteners for less common or special applications.
英文名称Road vehicles — Flat attachment fixing nuts for commercial vehicles — Test methods