常用普通螺纹基本尺寸.pdf

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1、 SANY GROUP system office room常常用用普普通通螺螺纹纹基基本本尺尺寸寸【SANYUA16H-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第一系列11.21.622.52.21.81.41.1第二系列螺距P0.250.20.250.20.250.20.30.20.350.20.350.20.40.250.450.250.450.35中径D2 或 d20.

2、8380.8700.9380.9701.0381.0701.2051.2701.3731.4701.5731.6701.7401.8381.9082.0382.2082.273小径D1 或 d10.7290.7830.8290.8830.9290.9831.0751.1831.2211.3831.4211.5831.5671.7291.7131.9292.0132.121常用普通螺纹基本尺寸公称直径 D，d第一系列343.5第二系列螺距P0.50.35（0.6）0.350.7中径D2 或 d22.6752.7733.1103.2733.545小径D1 或 d12.4592.6212.8503.

3、1213.2420.554.5（0.75）0.50.80.5160.75（0.5）1.25810.75（0.5）1.51.251010.75（0.5）1.751.5121.2510.75（0.5）21.514（1.25）1（0.75）（0.5）3.6754.0134.1754.4804.6755.3505.5135.6757.1887.3507.5137.6759.0269.1889.3509.5139.67510.86311.02611.18811.35011.51311.67512.70113.02613.18813.35013.51313.6753.4593.6883.9594.1344

4、.4594.9175.1885.4596.6476.9177.1887.4598.3768.6478.9179.1889.45910.10610.37610.64710.91711.18811.45911.83512.37612.64712.91713.13813.459常用普通螺纹基本尺寸公称直径 D，d第一系列第二系列螺距P2161.51（0.75）中径D2 或 d214.70115.02615.35015.513小径D1 或 d113.83514.37414.91715.1880.52.52181.51（0.75）（0.5）2.52201.51（0.75）（0.5）2.52221.51（

5、0.75）（0.5）32241.51（0.75）32271.51（0.75）15.67516.37616.70117.02617.35017.51317.67518.37618.70119.02619.35019.51319.67520.37620.70121.02621.35021.51321.67522.05122.70123.02623.35023.51325.05125.70126.02626.35026.51315.45915.29415.83516.37616.91717.18817.45917.29417.83518.37618.91719.18819.45919.29419.8

6、3520.37620.91721.18821.45920.75221.83522.37622.91723.18823.75224.83525.37625.91726.188常用普通螺纹基本尺寸公称直径 D，d第一系列第二系列螺距P3.530（3）21.5中径D2 或 d227.72728.05128.70129.026小径D1 或 d126.21126.75227.83528.3761（0.75）3.5（3）3321.51（0.75）433621.5（1）433921.5（1）4.5（4）42321.5（1）4.5（4）45321.5（1）29.35029.51330.72731.05131.

7、70132.02632.35032.51333.40234.05134.70135.02635.35036.40237.05137.70138.02638.35039.07739.40240.05140.70141.02641.35042.07742.40243.05143.70144.02644.35028.91729.18829.21129.75230.83531.37631.91732.18831.67032.75233.83534.37634.91734.67035.75236.83537.37637.91737.12937.67038.75239.83540.37640.91740.12940.67041.75242.83543.37643.917