公制(米制)螺纹极限尺寸

内螺纹 外螺纹 极限尺寸

毛坯极限尺寸参考大径尺寸（非挤压加工）；螺纹山角度：60°公称直径 d

11.11.21.41.61.822.22.533.544.555.567

螺距 P

dmax

0.20.250.20.250.20.250.20.30.20.350.20.350.250.40.250.450.350.450.350.50.350.60.50.70.50.750.50.80.5(细牙）0.75

10.7510.75

0.98311.0831.11.1831.21.3831.41.5831.5811.7831.7811.9821.9812.1822.182.4812.482.9812.983.4813.4793.983.9784.4484.4784.984.9765.485.9785.9746.9786.9747.978大径dmin0.9270.9331.0271.0331.1271.1331.3271.3251.5271.4961.7271.6961.9151.8862.1152.082.3962.382.8962.8743.3963.3543.8743.8384.3744.3384.8744.8265.3745.8385.7946.8386.7947.838中径d2min0.8050.7850.9050.8851.0050.9851.2051.1491.4031.2911.6031.4911.7641.6541.9641.8172.1912.1172.6872.583.1873.0043.583.4334.083.9014.584.3615.085.3915.2126.3916.2127.391单位：mm小径d3max

0.7380.6750.8380.7750.9380.8751.1381.0141.3381.1521.5231.3521.6751.491.8751.6282.0521.9282.5522.3673.0522.7433.3673.1193.8673.5584.3673.9954.8675.0584.7476.0585.7477.0582.22.52.5333.53.5444.54.5555.56677821.81.61.41.21.11

涂色部螺距为非常用规格；螺纹山角度：60°。大 径Dmin

中径D2min0.740.840.9081.2051.3731.5731.741.9082.2732.2082.7732.6753.2733.113.6753.5454.1754.0134.6754.485.1755.5135.356.5136.357.513小径D1min0.7290.8290.9291.0751.2211.4211.5671.7132.1212.0132.6212.4593.1212.853.4593.2423.9593.6884.4594.1344.9595.1884.9176.1885.9177.1880.0850.10.10.1120.1250.10.1250.10.140.10.160.140.180.140.190.140.20.140.190.2360.190.2360.19钻头径

公差

0.750.850.951.11.251.451.61.752.152.052.652.53.152.93.53.343.74.54.255.256.267.2公差0.0560.0670.0560.0670.0560.0670.0560.0750.0560.0850.0560.0850.0670.0950.0670.10.0850.10.0850.1060.0850.1250.1060.140.0740.140.1060.150.1060.140.180.140.180.14d2max0.8530.8380.9530.9381.0531.0381.2531.2051.4531.3541.6531.5541.821.7212.021.8882.2542.1882.7542.6553.2543.0893.6553.5234.1553.9914.6554.4565.1555.4915.3246.4916.3247.491公差0.0480.0530.0480.0530.0480.0530.0480.0560.050.0630.050.0630.0560.0670.0560.0710.0630.0710.0670.0750.0670.0850.0750.090.0750.090.0750.0950.0750.10.1120.10.1120.1D2max0.830.931.0031.281.4581.6581.832.0032.3582.3032.8632.7753.3633.2223.7753.6634.2754.1314.7754.6055.2755.6455.56.6456.57.645公差0.090.090.0950.0750.0850.0850.090.0950.0850.0950.090.10.090.1120.10.1180.10.1180.10.1250.10.1320.150.1320.150.132D1max---1.161.3211.5211.6791.8382.2212.1382.7212.5993.2213.013.5993.4224.0993.8784.5994.3345.0995.3785.1536.3786.1537.378

内螺纹 外螺纹 极限尺寸

毛坯极限尺寸参考大径尺寸（非挤压加工）；螺纹山角度：60°公称直径 d

螺距 P

dmax

1.250.75

9

11.250.75

10

11.251.50.75

11

11.51

12

1.251.51.751

1415

1.5211.51

1617

1.5211.51

18

1.522.51

20

1.522.51

7.9728.9788.9748.9729.9789.9749.9729.96810.97810.97410.96811.97411.97211.96811.96613.97413.96813.96214.97414.96815.97415.96815.96216.97416.96817.97417.96817.96217.95819.97419.96819.96219.95821.974大径dmin7.768.8388.7948.769.8389.7949.769.73210.83810.79410.73211.79411.7611.73211.70113.79413.73213.68214.79414.73215.79415.73215.68216.79416.73217.79417.73217.68217.62319.79419.73219.68219.62321.794中径d2min7.0428.3918.2128.0429.3919.2129.0428.86210.39110.2129.86211.20611.02810.85410.67913.20612.85412.50314.20613.85415.20614.85414.50316.20615.85417.20616.85416.50316.16419.20618.85418.50318.16421.206单位：mm小径d3max

6.4388.0587.7477.4389.0588.7478.4388.12810.0589.7479.12810.74710.43810.1289.81912.74712.12811.50813.74713.12814.74714.12813.50815.74715.12816.74716.12815.50814.89118.74718.12817.50816.89120.747涂色部螺距为非常用规格；螺纹山角度：60°。大 径Dmin8999101010101111111212121214141415151616161717181818182020202022中径D2min7.1888.5138.358.1889.5139.359.1889.02610.51310.3510.02611.3511.18811.02610.86313.3513.02612.07114.3514.02615.3515.02614.70116.3516.02617.3517.02616.70116.37619.3519.02618.70118.37621.35小径D1min6.6478.1887.9177.6479.1888.9178.6478.37610.1889.9179.37610.91710.64710.37610.10612.91713.37611.83513.91713.37614.91414.37613.83515.91715.37616.91716.37615.83515.29418.91718.37617.83517.29420.917钻头径

公差0.2650.190.2360.2650.190.2360.2650.30.190.2360.30.2360.2650.30.3350.236-0.70.3750.2360.30.2390.30.3750.2360.30.2360.30.3750.450.2360.30.3750.450.2366.88.287.89.298.88.510.2109.51110.810.510.31312.5121413.51514.5141615.51716.51615.51918.51817.521公差0.2120.140.180.2120.140.180.2120.2360.140.180.2360.180.2120.2360.2650.180.2360.280.180.2360.180.2360.280.180.2360.180.2360.280.3350.180.2360.280.3350.18d2max7.168.4918.3248.169.4919.3249.168.99410.49110.3249.99411.32411.1610.99410.82913.32412.99412.66314.32413.99415.32414.99414.66316.32415.99417.32416.99416.66316.33419.32418.99418.66318.33421.324公差0.1180.10.1120.1180.10.1120.1180.1320.10.1120.1320.1180.1320.140.150.1180.140.160.1180.140.1180.140.160.1180.140.1180.140.160.170.1180.140.160.170.118D2max7.3488.6458.58.3489.6459.59.3489.20610.64510.510.20611.5111.36811.21611.06313.5113.21612.91314.5114.21615.5115.21614.91316.5116.21617.5117.21616.91316.619.5119.21618.91318.621.51公差0.160.1320.150.160.1320.150.160.180.1320.150.180.160.180.190.20.160.190.8420.160.190.160.190.2120.160.190.160.190.2120.2240.160.190.2120.2240.16D1max6.9128.3788.1537.9129.3789.1538.9128.67610.37810.1539.67611.15310.91210.67610.44113.15312.67612.2114.15313.67615.15314.67614.2116.15315.67617.15316.67616.2115.74419.15318.67618.2117.74421.153

内螺纹 外螺纹 极限尺寸

毛坯极限尺寸参考大径尺寸（非挤压加工）；螺纹山角度：60°公称直径 d

螺距 P

dmax

22.51

24

1.5231

252627

1.521.511.523

28

11.5211.5

30

233.5

32

1.521.5

33

233.5

3536

1.51.5234

38

1.521.96221.95823.97423.96823.96223.95224.97424.96824.96225.96826.97426.96826.96226.95227.97427.96827.96229.97429.96829.96229.95229.94731.96831.96232.96832.96232.95232.94734.96835.96835.96235.95235.9437.968大径dmin21.68221.62323.79423.73223.68223.57724.79424.73224.68225.73226.79426.73226.68226.57727.79427.73227.68229.79429.73229.68229.57729.52231.73231.68232.73232.68232.57732.52234.73235.73235.68235.57735.46537.732中径d2min20.50320.16423.19922.84422.49321.80324.19923.84423.49324.84426.19925.84425.49324.80327.19926.84426.49329.19928.84428.49327.80327.46230.84430.49331.84431.49330.80330.46233.84434.84434.49333.80333.11836.844单位：mm小径d3max19.50818.89122.74722.12821.50820.27123.74723.12822.50824.12825.74725.12824.50823.27126.74726.12825.50828.74728.12827.50826.27125.65330.12829.50831.12830.50829.27128.65333.34434.12833.50832.27131.03336.128涂色部螺距为非常用规格；螺纹山角度：60°。大 径Dmin22222424242425252526272727272828283030303030323233333333353636363638中径D2min20.70120.37623.3523.02622.70122.05124.3524.02623.70125.02626.3526.02625.70125.05127.3527.02626.70129.3529.02628.70128.05127.72731.02630.70132.02631.70131.05130.72734.02635.02634.70134.05133.40237.026小径D1min19.83519.29422.91722.37621.83520.75223.91723.37622.83524.37625.91725.37624.83523.75226.91726.37625.83528.91728.37627.83526.75226.21130.37629.83531.37630.83529.75229.21133.37634.37633.83532.75231.6736.376钻头径

公差0.3750.450.2360.30.3750.50.2360.30.3750.3-0.7640.30.3750.50.2360.30.3750.2360.30.3750.50.560.30.3750.30.3750.50.560.30.30.3750.50.60.334.534333236.52019.52322.522212423.52324.52625.525242726.5262928.5282726.530.53031.5313029.5

公差0.280.3350.180.2360.280.3750.180.2360.280.2360.180.2360.280.3750.180.2360.280.180.2360.280.3750.4250.2360.280.2360.280.3750.4250.2360.2360.280.3750.4750.236d2max20.66320.33423.32422.99422.66322.00324.32423.99423.66324.99426.32425.99425.66325.00327.32426.99426.66329.32428.99428.66328.00327.67430.99430.6631.99431.66331.00330.67433.99434.99434.66334.00333.34236.994公差0.160.170.1250.150.170.20.1250.150.170.150.1250.150.170.20.1250.150.170.1250.150.170.20.2120.150.1670.150.170.20.2120.150.150.170.20.2240.15D2max20.91320.623.5223.22622.92522.31624.5224.22623.92525.22626.5226.22625.92525.31627.5227.22626.92529.5229.22628.92528.31628.00731.22630.92532.22631.92531.31631.00734.22635.22634.92534.31633.70237.226公差0.2120.2240.170.20.2240.2650.170.20.2240.20.170.20.2240.2650.170.20.2240.170.20.2240.2650.280.20.2240.20.2240.2650.280.20.20.2240.2650.30.2D1max20.2119.74423.15322.67622.2121.25224.15323.67623.2124.67625.15325.67625.2124.25227.15326.67626.2129.15328.67628.2127.25226.77130.67630.2131.67631.2130.25229.77133.67634.67634.2133.25232.2736.676

内螺纹 外螺纹 极限尺寸

毛坯极限尺寸参考大径尺寸（非挤压加工）；螺纹山角度：60°公称直径 d

39

螺距 P

dmax

2341.5

40

231.52

42

344.51.52

45

344.51.52

48

3451.5

50

231.52

52

3451.5

55

2341.538.96238.85238.9439.96839.96239.95241.96841.96241.95241.9441.93744.96844.96244.95244.9444.93747.96847.96247.95247.9447.92949.96849.96249.95251.96851.96251.95251.9451.92954.96854.96254.95254.9455.968大径dmin38.68238.57738.46539.73239.68239.57741.73241.68241.57741.46541.43744.73244.68244.57744.46544.43747.73247.68247.57747.46547.39949.73249.68249.57751.73251.68251.57751.46551.39954.73254.68254.57754.46555.732中径d2min37.49336.80336.11838.84438.49337.80340.84440.49339.80339.11838.77843.84443.49342.80342.11841.77846.83446.48345.79145.10644.43148.83448.48347.79150.83450.48349.79149.10648.43153.83453.48352.79152.10654.834单位：mm小径d3max36.50835.27134.03338.12837.50836.27140.12839.50838.27137.03336.41643.12842.50841.27140.03339.41646.12845.50844.27143.03341.79548.12847.50846.27150.12849.50848.27147.03345.79553.12852.50851.27150.03354.128涂色部螺距为非常用规格；螺纹山角度：60°。大 径Dmin39393940404042424242424545454545484848484850505052525252525555555556中径D2min37.70137.05136.40239.02638.70138.05141.02640.70110.05139.40239.07744.02643.70143.05142.40242.07747.02646.70146.05145.40244.75249.02648.70148.05151.02650.70150.05149.40248.75254.02653.70153.05152.40255.026小径D1min36.83535.75234.6738.37637.83536.75240.37639.83538.75237.6737.12943.37642.83541.75240.6740.12946.37645.83544.75243.6742.25748.37647.83546.75250.37649.83548.75247.6746.58753.37652.83551.75250.6754.376钻头径

公差0.3750.50.60.330.3750.50.30.3750.50.60.670.30.3750.50.60.670.30.3750.50.61.040.30.3750.50.30.3750.50.60.710.30.3750.50.60.337363538.5383740.540393837.543.543424140.546.54645444348.5484750.55049484753.553525154.5公差0.280.2750.4750.2360.280.3750.2360.280.3750.4750.50.2360.280.3750.4750.50.2360.280.3750.4750.530.2360.280.3750.2360.280.3750.4750.530.2360.280.3750.4750.236d2max37.66337.00336.34238.99438.66338.00340.99440.66340.00339.34239.01443.99443.66343.00342.34242.01446.99446.66346.00345.34244.68148.99448.66348.00350.99450.66350.00349.34248.68153.99453.66353.00352.34254.994公差0.170.20.2240.150.170.20.150.170.20.2240.2360.150.170.20.2240.2360.160.180.2120.2360.250.160.180.2120.160.180.2120.2360.250.160.180.2120.2360.16D2max37.92537.31636.70239.22638.92538.31641.22640.92540.31639.70239.39244.22643.92543.31642.70242.39247.23846.93746.33145.71745.08749.23848.93748.33151.23850.93750.33149.71749.08754.23853.93753.33152.71755.238公差0.2240.2650.30.20.2240.2650.20.22430.2650.30.3150.20.2240.2650.30.3150.2120.2360.280.3150.3350.2120.2360.280.2120.2360.280.3150.3350.2120.2360.280.3150.212D1max37.2136.25235.2738.67668.2137.25240.67640.2139.25238.2737.79943.67643.2142.25241.2740.79946.67646.2145.25244.2743.29748.67648.2147.25250.67650.2149.25248.2747.29753.67653.2152.25251.2754.676

内螺纹 外螺纹 极限尺寸

毛坯极限尺寸参考大径尺寸（非挤压加工）；螺纹山角度：60°公称直径 d

56

螺距 P

dmax

345.51.5

58

2341.52

60

345.51.5

62

2341.52

64

3461.5

65

2341.52

68

3461.5

70

23455.95255.9455.92557.96857.96257.95257.9459.96859.96259.95259.9459.92561.96861.96261.95261.9463.96863.96263.95293.9463.9264.96864.96264.95264.9467.96867.96267.95267.9467.9269.96869.96269.95269.94大径dmin55.57755.46555.36557.73257.68257.57757.46559.73259.68259.57759.46559.36561.73261.68261.57761.46563.73263.68263.57763.46563.3264.73264.68264.57764.46567.73267.68267.57767.46567.3269.73269.68267.57769.465中径d2min53.79153.10652.08856.83456.48355.79155.10658.83458.48357.79157.10656.08860.83460.48359.79159.10662.83462.48361.79161.10659.74363.83463.48362.79162.10666.83466.48365.79165.10663.74368.83468.48367.79167.106单位：mm小径d3max52.27151.03349.17756.12855.50854.27153.03358.12857.50856.27155.03353.17760.12859.50858.27157.03362.12861.50860.27159.03356.55963.12862.50861.27160.03366.12865.50864.27163.03360.55968.12867.50866.27165.033涂色部螺距为非常用规格；螺纹山角度：60°。大 径Dmin56565658585858606060606062626262646464646465656565686868686870707070中径D2min54.05153.40252.42857.02656.70156.05155.40259.02658.70158.05157.40256.42861.02660.70160.05159.40263.02662.70162.05161.40260.10364.02663.70163.05162.40267.02666.70166.05165.40264.10369.02668.70168.05167.402小径D1min52.75251.6750.04656.37655.83554.75253.6758.37657.83556.75255.6754.04660.37659.83558.75257.6762.37661.83560.75259.6757.50563.37662.83561.75260.6766.37665.83564.75263.6761.50568.37667.83566.75265.67钻头径

公差0.50.60.750.30.3750.50.60.30.375-29.50.60.750.30.3750.50.60.30.3750.50.60.80.30.3750.50.60.30.3750.50.60.80.30.3750.50.6535250.556.556555458.558575654.560.560595862.56261605863.563626166.56665646268.5686766公差0.3750.4750.560.2360.280.3750.4750.2360.280.3750.4750.560.2360.280.3750.4750.2360.280.37530.4750.60.2360.280.3750.4750.2360.280.3750.4750.60.2360.282.3750.475d2max54.00353.34252.35356.99456.66356.00355.34258.99458.66358.00357.34256.35360.99460.66360.00359.34262.99462.66362.00361.34260.02363.99463.66363.00362.34266.99466.66366.00365.34264.02368.99468.66368.00367.342公差0.2120.2360.2650.160.180.2120.2360.160.180.2120.2360.2650.160.180.2120.2360.160.180.2120.2360.280.160.180.2120.2360.160.180.2120.2360.280.160.180.2120.236D2max54.33153.71752.78357.23856.93756.33155.71759.23858.93758.33157.71756.78361.23860.93760.33159.71763.23862.93762.33161.71760.47864.23863.93763.33162.71767.23866.93766.33165.71764.47869.23868.93768.33167.717公差0.280.3150.3550.2120.2360.280.3150.2120.2360.280.3150.3550.2120.2360.280.3150.2120.2360.280.3150.3750.2120.2360.280.3150.2120.2360.280.3150.3750.2120.2360.280.315D1max53.25252.2750.79656.67656.2155.25254.2758.67658.2127.25256.2754.79660.67660.2159.25258.2762.67662.2161.25260.2758.30563.67663.2162.25261.2766.67666.2165.25264.2762.30568.67668.2167.25266.27

内螺纹 外螺纹 极限尺寸

毛坯极限尺寸参考大径尺寸（非挤压加工）；螺纹山角度：60°公称直径 d

螺距 P

dmax

1.52

72

3461.5

75

2341.52

76

346

78

21.52

80

346

8285

223462

90

3462

95

3462

71.96871.96271.95271.9471.9274.96874.96274.95274.9475.96875.96275.95275.9475.9277.96279.96879.96279.95279.9479.9281.96284.96284.95284.9484.9289.96289.95289.9489.9294.96294.95294.9494.9299.962大径dmin71.73271.68271.57771.46571.3274.73274.68274.57774.46575.73275.68275.57775.46575.3277.68279.73279.68279.57779.46579.3281.68284.68284.57784.46584.3289.68289.57789.46589.3294.68294.57794.46594.3299.682中径d2min70.83470.48369.79169.10667.74373.83473.48372.79172.10674.83474.48373.79173.10671.74376.48378.83478.48377.79177.10675.74380.48383.48382.79182.10680.74388.48387.79187.10685.74393.47392.77992.09290.72398.473单位：mm小径d3max70.12869.50868.27167.03364.55973.12872.50871.27170.03374.12873.50872.27171.03368.55975.50878.12877.50876.27175.03372.55979.50882.50881.27180.03377.55987.50886.27185.03382.55992.50891.27190.03387.55997.508涂色部螺距为非常用规格；螺纹山角度：60°。大 径Dmin727272727275757575767676767678808080808082858585858686868695959595100中径D2min71.02670.70170.05169.40268.10374.02673.70173.05172.40275.02674.70174.05173.40272.10376.70179.02678.70178.05177.40276.10380.70183.70183.05182.40281.10388.70188.05187.40286.10393.70193.05192.40291.10398.701小径D1min70.37569.83568.75267.6765.50573.37672.83571.75270.6774.37673.83572.75271.6769.50575.83578.37677.83576.75275.6773.50579.83582.83581.75280.6778.50587.83586.75285.6783.50592.83591.75290.6788.50597.835钻头径

公差0.30.3750.50.60.80.30.3750.50.60.30.3750.50.60.80.3750.30.3750.50.60.80.3750.3750.50.60.80.3750.50.60.80.3750.50.60.80.37570.57069686673.573727174.5747372707678.5787776748083828179888786839392918998公差0.2360.280.3750.4750.60.2360.280.3750.4750.2360.280.3750.4750.60.280.2360.280.3750.4750.60.280.280.3750.4750.60.280.3750.4750.60.280.3750.4750.60.28d2max70.99470.66370.00369.34268.02373.99473.66373.00372.34274.99474.66374.00373.34272.02376.66378.99478.66378.00377.34276.02380.66383.66383.00382.34281.02388.66388.00387.34286.02393.66393.00392.34291.02398.663公差0.160.180.2120.2360.280.160.180.2120.2360.160.180.2120.2360.280.180.160.180.2120.2360.280.180.180.2120.2360.280.180.2120.2360.280.190.2240.250.30.19D2max71.23870.93770.33169.71768.47874.23873.93773.33172.71775.23874.93774.33173.71772.47876.93779.23878.93778.33177.71776.47880.93783.93783.33182.71781.47888.93788.33187.71786.47893.95193.35192.73791.50398.951公差0.2120.2360.280.3150.3750.2120.2360.280.3150.2120.2360.280.3150.3750.2360.2120.2360.280.3150.3750.2360.2360.280.3150.3750.2360.280.3150.3750.250.30.3350.40.25D1max70.67570.2169.25268.2766.30573.67673.2172.25271.2774.67674.2173.25272.2770.30576.2178.67678.2177.25276.2774.30580.2183.2182.25281.2779.30588.2187.25286.2784.30593.2192.25291.2789.30598.21

内螺纹 外螺纹 极限尺寸

毛坯极限尺寸参考大径尺寸（非挤压加工）；螺纹山角度：60°公称直径 d

螺距 P

dmax

462

105

3462

110

3462

115

3462

120

34623

125

46823

130

4682

135

34623

99.9499.92104.962104.952104.94104.92109.962109.952109.94109.92114.962114.952114.94114.92119.962119.952119.94119.92124.962124.952124.94124.92124.9129.962129.952129.94129.92129.9134.962134.952134.94134.92139.962139.952大径dmin99.46599.32104.682104.577104.465104.32109.682109.577109.465109.32114.682114.577114.465114.32119.682119.577119.465119.32124.682124.577124.465124.32124.19129.682129.577129.465129.32129.19134.682134.577134.465134.32139.682139.577中径d2min97.0929.723103.473102.779102.092100.723108.473107.779107.092105.723113.473112.779112.092110.723118.473117.779117.092115.723123.473122.779122.092120.723119.369128.473127.779127.092125.723124.369133.473132.779132.092130.723138.473137.779单位：mm小径d3max95.03392.559102.208101.271100.03397.559107.508106.271105.033102.559112.508111.271110.033107.559117.508116.271115.033112.559122.508121.271120.033117.559115.085127.508126.271125.033122.559120.085132.508131.271130.033127.559137.508136.271涂色部螺距为非常用规格；螺纹山角度：60°。大 径Dmin100100105105105105110110110110115115115115120120120120125125125125125130130130130130135135135135140140中径D2min97.40296.103103.701103.051102.402101.103108.701108.051107.402106.103113.701113.051112.402111.103118.701118.051117.402116.103123.701123.051122.402121.103119.804128.701128.051127.402126.103124.804133.701133.051132.402131.103138.701138.051小径D1min95.6793.505102.835101.752100.6798.505107.835106.752105.67103.505112.835111.752110.67108.505117.835116.752115.67113.505122.835121.752120.67118.505116.34127.835126.752125.67123.505121.34132.835131.752130.67128.505137.835136.752钻头径

公差0.60.80.3750.50.60.80.3750.50.60.80.3750.50.60.70.3750.50.60.80.3750.50.60.810.3750.50.60.810.3750.50.60.80.3750.5969410310210199108107106104113112111109118117116114123122121119117128127126124122133132131129138137公差0.4750.60.280.3750.4750.60.280.3750.4750.60.280.3750.4750.60.280.3750.4750.60.280.3750.4750.60.710.280.3750.4750.60.710.280.3750.4750.60.280.375d2max97.34296.023103.663103.003102.342101.023108.663108.003107.342106.023113.663113.003112.342111.023118.663118.003117.342116.023123.663123.003122.342121.023119.704128.663128.003127.342126.023124.704133.663133.003132.342131.023138.663138.003公差0.2586.30.190.2240.250.30.190.2240.250.30.190.2240.250.30.190.2240.250.30.190.2240.250.30.3350.190.2240.250.30.3350.190.2240.250.30.190.224D2max97.73796.503103.951103.351102.737101.503108.951108.351107.737106.503113.951113.351112.737111.503118.951118.351117.737116.503123.951123.351122.737121.503120.254128.951128.351127.737126.503125.254133.951133.351132.737131.503138.951138.351公差0.3350.40.250.30.3350.40.250.30.3350.40.250.30.3350.40.250.30.3350.40.250.30.3350.40.450.250.30.3350.40.450.250.30.3350.40.250.3D1max96.2794.305103.21102.252101.2799.305108.21107.252106.27104.305113.21112.252111.27109.205118.21117.252116.27114.305123.21122.252121.27119.305117.34128.21127.252126.27124.305122.34133.21132.252131.27129.305138.21137.252

内螺纹 外螺纹 极限尺寸

毛坯极限尺寸参考大径尺寸（非挤压加工）；螺纹山角度：60°公称直径 d

螺距 P

dmax

682

145

34623

150

4683

155

463

160

4683

165

463

170

4683

175

463

180

4683

185

4139.92139.9144.962144.952144.94144.92149.962149.952149.94149.92149.9154.952154.94154.92159.952159.94159.92159.9164.952164.94164.92169.952169.94169.92169.9174.952174.94174.92179.952179.94179.92179.9184.952184.94大径dmin139.32139.19144.682144.577144.465144.32149.682149.577149.465149.32149.19154.577154.465154.32159.577159.465159.32159.19164.577164.465164.32169.577169.465169.32169.19174.577174.465174.32179.577179.465179.32179.19184.577184.465中径d2min135.723134.369143.473142.779142.092140.723148.473147.779147.092145.723144.369152.779152.092150.723157.779157.092155.723154.369162.779162.092160.723167.779167.092165.723164.369172.779172.092170.723177.779177.092175.723174.369182.753182.068单位：mm小径d3max132.599130.085142.508141.271140.033137.559147.508146.271145.033142.559140.085151.271150.033147.559156.271155.033152.559150.085161.271160.033157.559166.271165.033162.559160.085171.271170.033167.559176.271175.033172.559170.085181.271180.033涂色部螺距为非常用规格；螺纹山角度：60°。大 径Dmin140140145145145145150150150150150155155155160160160160165165165170170170170175175175180180180180185185中径D2min136.103134.804143.701143.051142.402141.103148.701148.051147.402146.103144.804153.051152.402151.103158.051157.402156.103154.804163.051162.402161.103168.051167.402166.103164.804173.051172.402171.103178.051177.402176.103174.804183.051182.402小径D1min133.505131.34142.835141.752140.67138.505147.835146.752145.67143.505141.34151.752150.67148.505156.752155.67153.505151.34161.752160.67158.505166.752165.67163.505161.34171.752170.67168.505176.752175.67173.505171.34181.752180.67钻头径

公差0.810.3750.50.60.80.3750.50.60.810.50.60.80.50.60.810.50.60.80.50.60.810.50.60.80.50.60.810.50.6134132143142141139148147146144142152151149157156154152162161159167166164162172171169177176174172182181公差0.60.710.280.3750.4750.60.280.3750.4750.60.710.3750.4750.60.3750.4750.60.710.3750.4750.60.3750.4750.60.710.3750.4750.60.3750.4750.60.710.3750.475d2max136.023134.704143.663143.003142.342141.023148.663148.003147.342146.023144.704153.003152.342151.023158.003157.342156.023154.704163.003162.342161.023168.003167.342166.023164.704173.003172.342171.023178.003177.342176.023174.704183.003182.342公差0.30.3350.190.2240.250.30.190.2240.250.30.3350.2240.250.30.2240.250.30.3350.2240.250.30.2240.250.30.3350.2240.250.30.2240.250.30.3350.250.274D2max136.503135.254143.951143.351142.737141.503148.951148.351147.737146.503145.254153.351152.737151.503158.351157.737156.503155.254163.351162.737161.503168.351167.737166.503165.254173.351172.737171.503178.351177.737176.503175.254183.386182.777公差0.40.450.250.30.3350.40.250.30.3350.40.450.30.3350.40.30.3350.40.450.30.3350.40.30.3350.40.450.30.3350.40.30.3350.40.450.3350.375D1max134.305132.34143.21142.252141.27139.305148.21147.252146.27144.305142.34152.252151.27149.305157.252156.27154.305152.34162.252161.27159.305167.252166.27164.305162.34172.252171.27169.305177.252176.27174.305172.34182.252181.27

内螺纹 外螺纹 极限尺寸

毛坯极限尺寸参考大径尺寸（非挤压加工）；螺纹山角度：60°公称直径 d

螺距 P

dmax

3

190

4683

195

463

200

468

189.952189.94189.92189.9194.952194.94194.92199.952199.94199.92199.9

大径dmin189.577189.465189.32189.19194.577194.465194.32199.577199.465199.32199.19

中径d2min187.753187.062185.708184.349192.753192.062190.708197.753197.062195.708194.349

单位：mm小径d3max186.271185.033182.559180.085191.271190.033187.559196.271195.033192.559190.085

涂色部螺距为非常用规格；螺纹山角度：60°。大 径Dmin190190190190195195195200200200200

中径D2min188.051187.402186.103184.804193.051192.402191.103198.051197.402196.103194.804

小径D1min186.752185.67183.505181.34191.752190.67188.505196.752195.67193.505191.34

钻头径

公差0.50.60.810.50.60.80.50.60.81

187186184182192191189197196194192

公差0.3750.4750.60.710.3750.4750.60.3750.4750.60.71

d2max188.003187.32186.023184.704193.003192.342191.023198.003197.342196.023194.704

公差0.250.2580.3150.3550.250.280.3150.250.280.3150.355

D2max188.386187.777186.528185.279193.386192.777191.528198.386197.777196.528195.279

公差0.3350.3750.4250.4750.3350.3750.4250.3350.3750.4250.475

D1max187.252186.27184.305182.34192.252191.27189.305197.252196.27194.305192.34

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