螺母规格（GB6170）厚度h1.62.43.24.75.26.88.411131518222631对边宽L45.57810131618212430364655杯头螺栓头厚度2345681012141620243036杯头螺栓头直径垫片（GB95）垫片厚度（GB70）3.85.578.510131618212430364554垫片内垫片外弹垫弹垫厚度孔直径圆直径（GB93）2.43.24.35.36.48.410.513151721253137579101215.62024283037445666弹垫内孔直径2.13.14.15.16.18.110.212.214.216.220.224.530.536.5弹垫外圆直径3.14.76.37.79.312.315.418.421.424.430.236.545.554.5M2M3M4M5M6M8M10M12M14M16M20M24M30M36M2M3M4M5M6M8M10M12M14M16M20M24M30M360.30.50.811.61.622.52.533445M2M3M4M5M6M8M10M12M14M16M20M24M30M360.50.81.11.31.62.12.63.13.64.1567.59注：
1、杯头螺丝用GB70_85；
2、内六角沉头螺钉用GB2673_86；3、十字圆头螺钉用GB818_85；4、十字沉头螺钉用GB819；5、弹垫用GB93_87；
6、平垫用GB95或者GB97.1-85；（其中GB97.1-85精度比较高，用于重要场合）7、螺母用GB6170_86。
单位：mm