ISO 898-7-1992 紧固件机械性能 第7部分:螺栓与螺钉的扭矩试验和最小扭矩公称直径1mm～10mm

标准号：ISO 898-7-1992
中文标准名称：紧固件机械性能 第7部分:螺栓与螺钉的扭矩试验和*小扭矩公称直径1mm～10mm
英文标准名称：Mechanical properties of fasteners; part 7: torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm
标准类型：J13
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：J13
国际标准分类号：21.060.10
适用范围：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.