标准号 StandardNo: GB/T 1229-2006 国家标准
钢结构用高强度大六角头螺栓,大六角螺母,垫圈技术条件。
Specification of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures.
采用高强度螺栓、螺母垫圈,必须符合《钢结构用高强度大六角螺栓、大六角螺母、垫圈技术条件》要求。
Use of high strength bolts, nuts washers must meet the "high-strength steel hexagon bolts, large hexagon nuts, washers and technical conditions" requirement.
标准号 StandardNo: GB/T 1229-2006 国家标准
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