dM1.6M2M2.5M3M4M5M6M8M10M12M14M16M20M24M30M36 dsds1.61.62 22.52.5345681012141620243036 dd1.81.82.42.42.92.93.44.55.56.691113.515.517.522263339 dkdk3 33.83.84.54.55.578.510131618212430364554 DD3.33.34.34.35 5681011151820242633404857 k k1.61.62 22.52.5345681012141620243036 HH1.81.82.32.32.92.93.44.65.76.8911131517.521.525.53238 d2d21.21.21.61.62.12.12.53.34.25.26.88.510.512.214.218.221.226.532.2 单位：毫米单位：毫米 参考：内六角螺栓的沉孔及螺栓孔尺寸参考：内六角螺栓的沉孔及螺栓孔尺寸 用于GB70-85用于GB70-85