Fasteners Part 14: Hexagon nuts Section 10: Hexagon nuts for structural bolting with large width across flats, style 1 - Product grade B - Property class 10
国外标准现行
标准号:SANS 1700-14-10-2003
标准名称: 紧固件.第14部分:六角螺母.第10节:栓结构用1型大六角螺母.B级品.性能10级
英文名称:Fasteners Part 14: Hexagon nuts Section 10: Hexagon nuts for structural bolting with large width across flats, style 1 - Product grade B - Property class 10