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.
用于试验非组合用垫圈的六角螺栓或六角螺母的最小对边宽度不能大于垫圈内径所对应的螺纹公径直径的1.5倍。
The minimum across flats dimension of the hex bolt or hex nut being used to test the loose washer must not be greater than 1.5 times the basic thread size.
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.
应用推荐