BS EN 14399-7:2018与EN 14399-1和EN 14399-2一起规定了以下要求: 适用于预加载的HR系统高强度结构沉头螺栓和螺母组件 螺纹尺寸为M12至M36，性能等级为8.8/8或8.8/10和10.9/10的接头。交叉引用:ISO 261EN ISO 3269EN 14399-1ISO 965-5ISO 6157-1ISO 10684EN ISO 6157-2ISO 3508EN 14399-9EN ISO 898-2ISO 6157-2EN 14399-6EN ISO 898-1ISO 4759-1EN ISO 10684EN 14399-2EN 26157-1EN 14399-5EN ISO 4759-1ISO 898-2ISO 965-2ISO 898-1ISO 32690-2EN 1090-2EN ISO 4032EN 14399-10ISO 272EN 14399-8EN 1993-1-1-4039-8EN ISO 14399修订版可随时购买包括在购买本文件时。

BS EN 14399-7:2018 specifies, together with EN 14399-1 and EN 14399-2, the requirements for assemblies of high-strength structural countersunk bolts and nuts of system HR suitable for preloaded joints with thread sizes M12 to M36 and property classes 8.8/8 or 8.8/10 and 10.9/10.Cross References:ISO 261EN ISO 3269EN 14399-1ISO 965-5ISO 6157-1ISO 10684EN ISO 6157-2ISO 3508EN 14399-9EN ISO 898-2ISO 6157-2EN 14399-6EN ISO 898-1ISO 4759-1EN ISO 10684EN 14399-2EN 26157-1EN 14399-5EN ISO 4759-1ISO 898-2ISO 965-2ISO 898-1ISO 3269EN 1090-2EN ISO 4032EN 14399-10ISO 272EN 14399-8EN 1993-1-8EN 14399-3ISO 4032EN 14399-4ISO 888All current amendments available at time of purchase are included with the purchase of this document.