普通螺纹的基本牙型及尺寸

公称直径D、d第一系列1.01.11.21.41.61.82.02.22.53.03.54.04.55.0第二系列第三系列螺距P0.250.20.250.20.250.20.30.20.350.20.350.20.40.250.450.250.450.350.50.35（0.6）0.350.70.5（0.75）0.50.80.5中径D2、d20.8380.8700.9380.9701.0381.0701.2051.2701.3731.4701.5731.6701.7401.8381.9082.0382.2082.2732.6752.7733.1103.2733.5453.6754.0134.1754.4804.675小径D1、d10.7290.7830.8290.8830.9290.9831.0751.1831.2211.3831.4211.5831.5671.7291.7131.9292.0132.1212.4592.6212.8503.1213.2423.4593.6883.9594.1344.4595.56789101112141516170.510.75（0.50）10.750.51.2510.75（0.50）（1.25）10.750.51.51.2510.75（0.5）（1.5）10.750.51.751.51.251（0.75）（0.5）21.5（1.25）*1（0.75）（0.5）1.5（1）21.51（0.75）（0.5）1.5（1）2.525.1755.3505.5135.6756.3506.5136.6757.1887.3507.5137.6758.1888.3508.5138.6759.0269.1889.3509.5139.67510.02610.35010.51310.67510.86311.02611.18811.35011.51311.67512.70113.02613.18813.35013.51313.67514.02614.35014.70115.02615.35015.51315.67516.02616.35016.37616.7014.9594.9175.1885.4595.9176.1886.4596.6476.9177.1887.4597.6477.9178.1888.4598.3768.6478.9179.1889.4599.3769.91710.18810.45910.10610.37610.64710.91711.18811.45911.83512.37612.64712.91713.18813.45913.37613.91713.83514.37614.91715.18815.45915.37615.91715.29415.83518202224252627283032331.51（0.75）（0.5）2.521.51（0.75）（0.5）2.521.51（0.75）（0.5）321.51（0.75）21.5（1）1.5321.51（0.75）21.513.5（3）21.51（0.75）21.53.5（3）21.5（1）（0.75）17.02617.35017.51317.67518.37618.70119.02619.35019.51319.67520.37620.70121.02621.35021.51321.67522.05122.70123.02623.35023.51323.70124.02624.35025.02625.05125.70126.02626.35026.51326.70127.02627.35027.72728.05128.70129.02629.35029.51330.70131.02630.72731.05131.70132.02632.35032.51316.37616.91717.18817.45917.29417.83518.37618.91719.18819.45919.29419.83520.37620.91721.18821.45920.75221.83522.37622.91723.18822.83523.37623.91724.37623.75224.83525.37625.91726.18825.83526.37626.91726.21126.75227.83528.37628.91729.18829.83530.37629.21129.75230.83531.37631.91732.18835**363839404245485052551.54321.5（1）1.54321.5（1）（3）（2）1.54.5（4）321.5（1）4.5（4）321.5（1）5（4）321.5（1）（3）（2）1.55（4）321.5（1）（4）（3）21.55.534.02633.40234.05134.70135.02635.35037.02636.40237.05137.70138.02638.35038.05138.70139.02639.07739.40240.05140.70141.02641.35042.07742.40243.05143.70144.02644.35044.75245.40246.05146.70147.02647.35048.05148.70149.02648.75249.40250.05150.70151.02651.35052.40253.05153.70154.02652.42833.37631.67032.75233.83534.37634.91736.37634.67035.75236.83537.37637.91736.75237.83538.37637.12937.67038.75239.83540.37640.91740.12940.67041.75242.83543.37643.91742.58743.67044.75245.83546.37646.91746.75247.83548.37646.58747.67048.75249.83550.37650.91750.67051.75252.83553.37650.0465658606264656870724321.5（1）（4）（3）21.5（5.5）4321.5（1）（4）（3）21.564321.5（1）（4）（3）21.564321.5（1）（6）（4）（3）21.564321.5（1）（4）53.40254.05154.70155.02655.35055.40256.05156.70157.02656.42857.40258.05158.70159.02659.35059.40260.05160.70161.02660.10361.40262.05162.70163.02663.35062.40263.05163.70164.02664.10365.40266.05166.70167.02667.35066.10367.40268.05168.70169.02668.10369.40270.05170.70171.02671.35072.40251.67052.75253.83554.37654.91753.67054.75255.83556.37654.04655.67056.75257.83558.37658.91757.67058.75259.83560.37657.50559.67060.75261.83562.37662.91760.67061.75262.83563.37661.50563.67064.75265.83566.37666.91763.50565.67066.75267.83568.37665.50567.67068.75269.83570.37670.91770.6707576788082859095100105110（3）21.564321.5（1）264321.5（1）26432（1.5）6432（1.5）6432（1.5）6432（1.5）6432（1.5）6432（1.5）73.05173.70174.02672.10373.40274.05174.70175.02675.35076.70176.10377.40278.05178.70179.02679.35080.70181.10382.40283.05183.70184.02686.10387.40288.05188.70189.02691.10392.40293.05193.70194.02696.10397.40298.05198.70199.026101.103102.402103.051103.701104.026106.103107.402108.051108.701109.02671.75272.83573.37669.50571.67072.75273.83574.37674.91775.83573.50575.67076.75277.83578.37678.91779.83578.50580.67081.75282.83583.37683.50585.67086.75287.83588.37688.50590.67091.75292.83593.37693.50595.67096.75297.83598.37698.505100.670101.752102.835103.376103.505105.670106.752107.835108.3766111.103108.5054112.402110.6701153113.051111.7522113.701112.835（1.5）114.026113.3766116.103113.5054117.402115.6701203118.051116.7522118.701117.835（1.5）119.026118.3766121.103118.5054122.402120.6701253123.051121.7522123.701122.835（1.5）124.026123.3766126.103123.5054127.402125.6701303128.051126.7522128.701127.835（1.5）129.026128.3766131.103128.5054132.402130.6701353133.051131.7522133.701132.8351.5134.026133.3766136.103133.5054137.402135.6701403138.051136.7522138.701137.835（1.5）139.026138.376摘录GB196-81，表中*号M14×1.25仅用于火花塞，**号M35×1.5仅用于滚动轴承锁紧螺母。