1、精品文档常 用 普 通 螺 纹 基 本 尺 寸标记示例：M24（公称直径为24mm的粗牙普通螺纹） ；M24X1.5（公称直径为24mm，螺距为 1.5mm的细牙普通螺纹） ；M24X1.5 左（公称直径为24mm，螺距为 1.5mm，方向为左旋的细牙普通螺纹）.公称直径D， d螺距中径小径第一系列第二系列PD2 或 d2D1 或 d110.250.8380.7290.20.8700.7831.10.250.9380.8290.20.9700.8831.20.251.0380.9290.21.0700.9831.40.31.2051.0750.21.2701.1831.60.351.3731.
2、2210.21.4701.3831.80.351.5731.4210.21.6701.58320.41.7401.5670.251.8381.7292.20.451.9081.7130.252.0381.9292.50.452.2082.0130.352.2732.121。1 欢迎下载精品文档常 用 普 通 螺 纹 基 本 尺 寸公称直径D， d螺距中径小径第一系列第二系列PD2 或 d2D1 或 d130.52.6752.4590.352.7732.6213.5（ 0.6）3.1102.8500.353.2733.12140.73.5453.2420.53.6753.4594.5（ 0.75
3、）4.0133.6880.54.1753.95950.84.4804.1340.54.6754.45915.3504.91760.755.5135.188（ 0.5）5.6755.4591.257.1886.647817.3506.9170.757.5137.188（ 0.5）7.6757.4591.59.0268.3761.259.1888.6471019.3508.9170.759.5139.188（ 0.5）9.6759.4591.7510.86310.1061.511.02610.376121.2511.18810.647111.35010.9170.7511.51311.188（ 0
4、.5）11.67511.459212.70111.8351.513.02612.37614（ 1.25）13.18812.647113.35012.917（ 0.75）13.51313.138（ 0.5）13.67513.459。2 欢迎下载精品文档常 用 普 通 螺 纹 基 本 尺 寸公称直径D， d螺距中径小径第一系列第二系列PD2 或 d2D1 或 d1214.70113.8351.515.02614.37416115.35014.917（ 0.75）15.51315.1880.515.67515.4592.516.37615.294216.70115.835181.517.02616.
5、376117.35016.917（ 0.75）17.51317.188（ 0.5）17.67517.4592.518.37617.294218.70117.835201.519.02618.376119.35018.917（ 0.75）19.51319.188（ 0.5）19.67519.4592.520.37619.294220.70119.835221.521.02620.376121.35020.917（ 0.75）21.51321.188（ 0.5）21.67521.459322.05120.752222.70121.835241.523.02622.376123.35022.917（
6、 0.75）23.51323.188325.05123.752225.70124.835271.526.02625.376126.35025.917（ 0.75）26.51326.188。3 欢迎下载精品文档常 用 普 通 螺 纹 基 本 尺 寸公称直径D， d螺距中径小径第一系列第二系列PD2 或 d2D1 或 d13.527.72726.211（ 3）28.05126.75230228.70127.8351.529.02628.376129.35028.917（ 0.75）29.51329.1883.530.72729.211（ 3）31.05129.75233231.70130.8351
7、.532.02631.376132.35031.917（ 0.75）32.51332.188433.40231.670334.05132.75236234.70133.8351.535.02634.376（ 1）35.35034.917436.40234.670337.05135.75239237.70136.8351.538.02637.376（ 1）38.35037.9174.539.07737.129（ 4）39.40237.67042340.05138.752240.70139.8351.541.02640.376（ 1）41.35040.9174.542.07740.129（ 4）42.40240.67045343.05141.752243.70142.8351.544.02643.376（ 1）44.35043.917。4 欢迎下载精品文档欢迎您的下载，资料仅供参考！致力为企业和个人提供合同协议，策划案计划书，学习资料等等打造全网一站式需求。5 欢迎下载
