标准摘要
[中文适用范围]： 适用于符合 ISO 898-1 的性能等级为 8.8 至 12.9 且螺纹小于 M3（ISO 898-1 中未标明断裂载荷和验证载荷）的螺栓和螺钉，以及标称直径为 3 的短螺栓和螺钉mm至10mm，不能进行拉伸试验。 最小破坏扭矩不适用于内六角紧定螺钉。 [外文原描述]： Applies to bolts and screws of property classes 8.8 to 12.9 in accordance with ISO 898-1 with thread less than M3 for which no breaking and proof loads are indicated in ISO 898-1, as well as to short bolts and screws with nominal diameters 3 mm to 10 mm which cannot be subjected to a tensile test. The minimum breaking torques are not valid for hexagon socket set screws.
英文名称Mechanical properties of fasteners — Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm