六角头螺栓
Hexagon head bolts
检测标准
手持式电动工具的安全 第2部分:锤类工具的专用要求
Safety of hand-held motor-operated electric tools-Part 2:Particular requirements for hammers
手持式可移式电动工具和园林工具的安全 第2部分:电钻和冲击电钻的专用要求
Safety of motor-operated hand-held , transportable and garden tools-Part 2:Particular requirements for drills and impact drills
手持式、可移式电动工具和园林工具的安全 第1部分:通用要求
Safety of motor-operated hand-held, transportable electric tools and lawn andgarden tools-Part 1;General requirements
手持式、可移式电动工具和园林工具的安全 第1部分:通用要求
Safety of motor-operated hand-held, transportable electric tools and lawn andgarden tools-Part 1;General requirements
钢结构用扭剪型高强度螺栓连接副
Sets of torshear type high strength bolt hexagon nut andplain washer for steel structures
金属材料 维氏硬度试验 第1部分:试验方法
Metallic materials-Vickers hardness test-nPart 1:Test method
紧固件机械性能 螺栓、螺钉和螺柱
Mechanical properties of fasteners-Bolts ,screws and studs
普通螺纹公差
General purpose metric screw threads-Tolerances
钢结构用高强度大六角头螺栓、大六角螺母、垫圈技术条件
Specifications of high strength bolts with large hexagon headlarge hexagon nuts,plain washers for steel structures
