各种螺纹详细参数和钻孔直径对照表

1、螺纹下孔径表公制粗牙螺纹JISB0209-1982（罩位：mm）螺纹尺寸钻头直径或合度显分：中（任1）2敏（注2）卜孔径或合度K分：中（1）2级山）内螺纹小径最小直径最大直径M1X0.250.750.78(80%)0.7290.7851.1>0.250.850.88(80%)0.8290.8851.2>0.250.950.98(80%)0.9290.9851.4>0.31.11.14(80%)1.0751.1421.6>0.351.251.32(75%)1.2211.3211.8>0.351.451.52(75%)1.4211.5212X0.41.61.65(80

2、%)1.5671.6792.2>0.451.751.83(75%)1.7131.8382.5>0.452.12.13(75%)2.0132.1383X0.52.52.59(75%)2.4592.5993.5>0.62.93.01(75%)2.8503.0104X0.73.33.39(80%)3.2423.4224.5>0.753.83.85(80%)3.6883.8785X0.84.24.31(80%)4.1344.3346X155.13(80%)4.917P5.15317X166.13(80%)5.9176.1538X1.256.86.85(85%):6.647P6.

3、91219X1.257.87.85(85%)7.6477.91210X1.58.58.62(85%)18.376P8.676111X1.59.59.62(85%)9.3769.67612X1.7510.310.40(85%)10.10610.44114X21212.2(85%)11.83512.21016X21414.2(85%)13.83514.21018X2.515.515.7(85%)15.29415.74420义2.517.517.7(85%)17.29417.74422义2.519.519.2(85%)19.29419.74424X32121.2(85%)20.75221.25227

4、X32424.2(85%)23.75224.252130X3.526.526.6(90%)26.21126.77133X3.529.529.6(90%)29.211r29.771n36X43232.1(90%)31.67032.27039X43535.1(90%)34.670P35.270142义4.537.537.6(90%)37.12937.79945X4.540.540.6(90%)40.12940.799148X54343.1(90%)42.58743.297U（1）M1.4以下等级：5H、M1.6以上等级：6H（2）基於JISB0209-1982松型螺纹下孔径表公制系田牙螺纹JISB

5、0211-1982（罩位：mm）螺纹尺寸钻头直径或合度显分：中*2级（注2）卜孔径或合度K分：中仰1）2级仰2）内螺纹小径最小直径最大直径M2.5>0.352.22.22(75%)2.1212.2213X0.352.72.72(75%)2.6212.7213.5>0.353.23.22(75%)3.1213.2214X0.53.53.59(75%)3.4593.5994.5>0.544.09(75%)3.9594.0995X0.54.54.59(75%)4.4594.5995.5>0.555.09(75%)4.9595.0996X0.755.35.35(80%)5.18

6、85.378|7X0.756.36.35(80%)6.188厂6.37818X177.13(80%)6.9177.1538X0.757.37.35(80%)7.1887.3789义188.13(80%)7.9178.1539X0.758.38.35(80%)8.1888.37810义1.258.88.85(85%)8.6478.91210X199.13(80%)8.9179.15310X0.759.39.35(80%)9.188P9.378111义11010.13(80%)9.91710.15311X0.7510.310.35(80%)10.18810.37812义1.510.510.62(8

7、5%)10.37610.67612X1.2510.810.85(85%)10.64710.91212X11111.13(80%)10.91711.15314X1.512.512.62(85%)12.37612.676|14X11313.13(80%)12.91713.15315义1.513.513.62(85%)13.37613.67615X11414.13(80%)13.91714.15316义1.514.514.62(85%)14.37614.676|16X11515.13(80%)14.91715.15317义1.515.515.62(85%)15.37615.67617X11616.1

8、3(80%)115.917P16.153118X21616.2(85%)15.83516.210118X1.516.516.62(85%)16.37616.67618X11717.13(80%)16.91717.15320X21818.2(85%)17.83518.21020义1.518.518.62(85%);18.376P18.67620X11919.13(80%)18.91719.15322X22020.2(85%)19.83520.21022义1.520.520.62(85%)20.37620.67622X12121.13(80%)20.91721.15324X22222.2(85%)

9、21.83522.21024义1.522.522.62(85%)22.37622.676I24X12323.13(80%)I22.91723.15325X22323.2(85%)22.83523.21025义1.523.523.62(85%)23.37623.67625X12424.13(80%)23.91724.153螺纹下孔径表公制系田牙螺纹JISB0211-1982（罩位：mm）螺纹尺寸钻头直径或合度显分：中（任1）2敏（任2）卜孔径或合度K分：中陲1）2级陲2）内螺纹小径最小直径最大直径M26X1.524.524.62(85%)24.37624.67627X22525.2(85%)24

10、.83525.21027X1.525.525.62(85%)25.37625.67627X12626.13(80%)125.917P26.153128X22626.2(85%)25.83526.21028X1.526.526.62(85%)26.37626.67628X12727.13(80%)26.91727.15330X32727.2(85%)26.75227.25230X22828.2(85%)27.83528.21030X1.528.528.62(85%)28.37628.67630X12929.13(80%)28.91729.15332X23030.2(85%)29.83530.21

11、032X1.530.530.62(85%)30.37630.67633X33030.2(85%)29.75230.25233X23131.2(85%)；30.835P31.210133X1.531.531.62(85%)31.37631.67635X1.533.533.62(85%)33.37633.67636X33333.2(85%)32.75233.252136X23434.2(85%)33.83534.21036X1.534.534.62(85%)134.376P34.676138X1.536.536.62(85%)36.37636.67639X33636.2(85%)35.75236.

12、25239X23737.2(85%)36.83537.21039X1.537.537.62(85%)37.37637.676|40X33737.2(85%)36.75237.25240X23838.2(85%)37.83538.21040X1.538.538.62(85%)38.37638.67642X43838.1(90%)37.67038.270|42X33939.2(85%)38.75239.252H42X24040.2(85%)39.83540.21042X1.540.540.62(85%)40.37640.67645X44141.1(90%)40.67041.27045X34242.

13、2(85%)41.75242.25245X24343.2(85%)一42.83543.210145X1.543.543.62(85%)43.37643.67648X44444.1(90%)43.67044.27048X34545.2(85%)44.75245.25248X24646.2(85%)45.83546.21048X1.546.546.62(85%)46.37646.67650X34747.2(85%)46.75247.25250X24848.2(85%)47.83548.21050X1.548.548.62(85%)48.37648.676U(1)等级：6H(2)基於JISB0211

14、-1982松型螺纹下孔径表美制粗牙螺纹"位：mm)螺纹尺寸钻头直径2B级螺纹下孔径内螺纹小径最小直径最大直径NO.1-64UNC1.551.57(65%)1.4251.5822-561.81.86(65%)1.6951.8713-482.12.14(65%)1.9412.1464-402.32.36(70%)2.1572.3855-402.62.69(70%)2.4872.6976-322.82.86(75%)2.6422.8958-323.43.52(75%)3.3023.53010-243.93.91(80%)3.6833.962|12-244.54.57(80%)4.344P4

15、.59711/4-205.15.25(80%)4.9795.2575/16-186.66.72(80%)6.401P6.731d3/8-1688.15(80%)7.7988.1537/16-149.49.50(80%)9.144P9.5501/2-1310.811.0(80%)10.59211.0239/16-1212.212.3(85%)11.98912.4465/8-1113.613.8(85%)13.38613.8683/4-1016.516.8(80%)16.30716.8407/8-919.519.6(85%)19.17719.7611-822.222.5(85%)21.97122.

16、60611/8-72525.2(85%)24.638P25.34911/4-728.228.4(85%)27.81328.52413/8-630.831.0(85%)30.353r31.115n11/2-63434.2(85%)33.52834.29013/4-539.539.8(85%)38.964:39.82712-445.245.3(90%)44.67945.593螺纹下孔径表美制余田牙螺纹”位：mm)螺纹尺寸钻头直径2B级螺纹内螺纹小径下孔径最小直径最大直径NO.0-80UNF1.251.30(65%)1.1821.3051-721.551.61(65%)1.4741.6122-641

17、.851.90(65%)1.7561.9123-562.12.17(70%)2.0252.1974-482.42.44(70%)2.2712.4585-442.72.74(70%)2.5512.7406-402.93.02(70%)2.8203.0228-363.53.59(75%)3.404P3.606110-324.14.14(80%)3.9634.16512-284.64.70(80%)4.496:4.72411/4-285.55.56(80%)5.3605.5885/16-246.97.02(80%)6.7827.0353/8-248.58.61(80%)8.3828.6367/16-

18、209.910.01(80%)9.72910.0331/2-2011.511.60(80%)11.32911.6079/16-1812.913.07(80%)12.75113.0815/8-1814.514.65(80%)14.35114.6813/4-1617.517.59(85%)17.32317.6787/8-1420.520.6(85%)20.27020.6751-1223.223.5(85%)23.11423.57111/8-1226.526.7(80%)26.28926.74611/4-1229.529.9(80%)29.46429.92113/8-1232.833.0(85%)3

19、2.63933.09611/2-123636.2(85%)35.81436.271螺纹下孔径表英制粗牙螺纹（罩位：mm）螺纹尺寸下孑L径嵌合率a歹（硬材）B列（软材U）A列直径B列直径内螺纹最小径内螺纹最大径W1/82.62.570.783.070.088.33/163.73.678.485.870.088.31/45.15.076.983.070.588.35/166.66.574.099.570.188.43/88.07.975.080.069.588.27/169.49.373.780.069.088.81/2r10.710.573.8P81.269.088.219/1612.312.0

20、73.484.469.088.25/8r13.713.573.5P80.369.688.513/416.716.572.378.469.688.37/8r19.519.375.4P80.970.188.41122.422.073.883.671.088.211/8r25.024.876.9P81.372.088.4111/428.328.074.380.772.088.413/8r30.530.381.6P85.373.888.6111/233.833.579.384.873.888.615/8r36.035.781.1P85.774.888.3113/439.239.080.783.874.

21、888.317/8r41.841.580.6P84.774.788.41245.044.780.284.474.788.4螺纹下孔径表英制管用螺纹（罩位：mm）管用螺纹尺寸JISB0203JISB2301H金隹管内螺纹Rc（PT）平行内螺纹Rp（PS）金隹管内螺纹言十算值下孔径言十算值下孔径言十算值下孔径1/166.2306.2P6.4906.5一一1/88.2358.28.4958.58.1918.21/410.94110.9r11.34111.410.94510.913/814.42814.414.84614.914.38814.41/217.9501818.48918.517.94318

22、3/423.34923P23.9752423.30523129.4232930.1113029.3532911/437.94038P38.7723937.8903811/243.8334444.5654543.72043255.41255P56.4765655.4065521/270.7017172.0097270.78870383.20183P84.7098583.3648331/295.5479697.1559795.747954107.834108P109.855110108.32210815133.110133135.255135133.5971336158.510159P160.65

23、5161158.81015817183.360183185.9541868208.560209P211.3542129233.960234236.75423710259.166259262747310312.875313螺纹下孔径表英制平行管用螺纹PF（G）（覃位：mm）螺纹下孑径内螺纹小径播考）尺寸大径檄型嵌合高度H系歹I1009590858075706560最小直径最大直径G1/167.7230.58086.566.626.686.746.796.856.916.977.036.8436.561G(PF)1/89.7288.578.628.688.748.808.

24、868.928.979.038.8488.5661/413.1570.856011.5311.6211.7011.7911.8711.9612.0412.1311.89011.4453/816.66214.9515.0415.1215.2115.2915.3815.4615.5515.6415.39514.9501/220.9551.161818.818.919.019.119.219.319.419.619.17218.6315/822.91120.620.720.820.921.021.221.321.421.521.13020.5893/426.44124.224.424.524.624

25、.724.824.925.024.65824.1177/830.20127.928.028.128.228.338.528.628.728.828.41827.877133.24914.78630.330.430.630.730.931.031.231.331.530.93130.29111/837.89735.135.235.435.535.735.835.936.535.57934.93911/441.91039.039.139.239.439.639.739.840.040.139.59238.95213/844.32341.441.541.741.842.042.142.242.442

26、.642.00541.36511/247.80345.045.145.345.445.645.745.946.045.48549.02315/851.91049.249.349.549.649.849.950.050.249.67250.78813/453.74650.850.951.151.251.451.551.752.052.051.42856.656259.61456.857.057.157.257.457.557.857.857.296使用粗左ffl数揩（作卷攻前的底孔直径，可加工符合JISB0202的A级或B级的内螺纹小径。美制斜行管用螺纹（NPT?NPS）（覃位：mm）管用螺纹尺

27、寸斜行螺纹（NPT）平行螺纹（NPS）钻头直径钻头直径使用发刀埸合不使用教：刀埸合1/16一0.234(5.94)0.246(6.15)1/40.250(6.35)1/821/640.328(8.33)一0.332(8.43)11/320.344(8.74)1/427/640.422(10.72)7/160.438(11.13)7/160.438(11.13)3/89/160.562(14.27)9/160.562(14.27)37/640.578(14.68)1/211/160.688(17.48)45/640.703(17.86)23/320.719(18.26)3/457/640.891

28、(22.63)29/320.906(23.01)59/640.922(23.42)111/81.125(28.58)19/641.141(28.98)15/321.156(29.36)11/4115/321.469(37.31)131/641.484(37.69)11/21.500(38.10)11/211/161.703(43.26)123/321.719(43.66)13/41.750(44.45)2211/642.172(55.17)23/162.188(55.58)27/322.219(56.36)21/2239/642.578(65.48)239/642.609(66.27)221/

29、322.656(67.46)上述钻头直径来源於美制管用螺纹ANSI/ASMEB1.20.11983PipeThreads,GeneralPurpose(Inch)檄津螺纹下孔径表美制管用耐密斜行螺纹(NPTF?NPSF)(罩位：mm)管用螺纹尺寸斜行螺纹(NPTF)平行螺纹(NPSF)钻头直径钻头直径使用发刀埸合不使用教：刀埸合1/16一0.234(5.94)0.246(6.25)1/40.250(6.35)1/821/640.328(8.33)一0.339(8.61)11/320.344(8.74)1/427/640.422(10.72)7/160.438(11.13)一0.444(11.2

30、8)3/89/160.562(14.27)37/640.578(14.68)37/640.578(14.68)1/211/160.688(17.48)45/640.703(17.86)23/320.719(18.26)3/457/640.891(22.63)59/640.922(23.42)一0.922(23.42)111/81.125(28.58)15/321.156(29.36)15/321.156(29.36)11/4115/321.469(37.31)11/21.500(38.10)一一11/2145/641.703(43.26)147/641.734(44.04)一一223/162.

31、188(55.58)27/322.219(56.36)一一21/2219/322.594(65.89)241/642.641(67.08)一一上述钻头直径来源於美制管用耐密斜行螺纹ANSIB1.20.31957DrysealPipeThreads(Inch)襟举螺纹尺寸1级螺纹用卜孔径2级螺纹用卜孔径RH精度最小最大（嵌合率%）RH精度最小最大（嵌合率%）M1X0.2520.870.89(100-85)40.90-0.92(10080)1.1)0.2520.970.99(100-85)41.00-1.02(10080)1.2)0.252n1.071.09(100-85)41.10-1.12(1

32、00-80)1.4)0.32|1.244-1.263(100-85)41.270-1.294(10080)1.7)0.35211.511.54(100-80)41.541.58(100-75)2>0.421.781.82(100-80)41.811.85(100-75)2.3)0.422.082.12(100-80)42.112.15(10075)2.5)0.452-12.252.29(100-80)42.282.33(10075):2.6)0.4522.352.39(100-80)42.382.43(10075)3>0.532.742.78(100-80)52.762.81(10

33、075)3.5)0.633.183.21(100-85)53.203.26(10075)4>0.743.633.67(100-85)63.653.70(10085)5>0.8414.574.62(100-85)64.594.66(100-80)1645.455.51(100-85)75.485.57(10080)746.456.51(100-85)76.486.57(100-80)8M.2557.317.38(100-85)77.347.41(10085)847.457.51(100-85)77.487.57(100-80)10X.55|9.169.22(100-90)79.189

34、.28(10085)10X.255n9.319.38(100-85)79.349.41(10085):10X59.469.52(100-85)79.489.57(10080)12X.75511.0111.08(100-90)811.0511.15(10085)12X.5511.1611.22(100-90)711.1811.28(100-85)12X.25511.3111.38(100-85)711.3411.41(10085)12X5111.4611.52(100-85)711.4811.57(10080)14>2612.8312.95(100-90)1012.9213.04(1008

35、5)14X.5513.1613.22(100-90)913.2113.30(10085)16>26I14.8714.95(100-90)1014.9215.04(10085)16X.5515.1615.22(100-90)915.2115.30(10080)18>2.5616.5716.67(100-90)1116.6316.78(100-85)18X.5617.1717.23(100-90)1017.2217.31(10085)20>2.5618.5718.67(100-90)1118.6318.78(100-85)20X.56|19.1719.23(10090)1019.

36、2219.31(10085)（罩位：mm）螺纹下孔径表（瓢屑攻用）公制螺纹（NRT）螺纹尺寸2B级螺纹用卜孔径3B级螺纹用卜孔径RH精度最小最大（嵌合率%）RH精度最小最大（嵌合率%）NO.2-56UNC41.962.02(10065)31.952.01(10065)3-4842.252.32(10065)32.232.31(10065)4-4052.522.60(10070)32.502.58(10070)5-405L2.862.93(10070)|32.832.91(10070)6-325P3.093.17(10075)33.063.14(10075)8-3263.753.83(10075

37、)43.743.82(10075)10-246P4.264.35(10080)44.244.32(10080)12-2464.925.01(10080)44.904.96(10085)1/4-2065.665.76(10080)45.645.74(10080)5/16-187r7.187.29(10080)157.157.24(10085)3/8-1678.668.78(10080)58.638.73(10085)7/16-147P10.1110.25(10080)510.0810.19(10085)1/2-138I10.6211.78(10080)611.6011.68(10090)9/16

38、-121013.1413.27(10085)813.1113.24(10085)5/8-111114.6214.76(10085)814.5814.67(10090)3/4-101217.6717.88(10080)917.6317.74(10090)7/8-91220.6820.85(10085)920.6420.75(10090)1-81323.6523.84(10085)1023.6123.74(10090)（罩位：mm）螺纹下孔径表（瓢屑攻用）美制粗牙螺纹（NRT）螺纹下孔径表（瓢屑攻用）美制系田牙螺纹（NRT）（罩位：mm）螺纹尺寸2B级螺纹用卜孔径3B级螺纹用卜孔径RH精度最小最大

39、（嵌合率%）RH精度最小最大（嵌合率%）NO.2-64UNF31.982.04(10065)12r1.972.03(10065)13-5642.292.35(10065)32.282.34(10065)4-4842.572.64(10070)32.562.63(10070):5-4442.882.95(10070)一3P2.872.94(10070)6-4053.193.26(10070)33.163.22(10075)8-3653.803.88(10075)4P3.793.86(10075)10-3254.414.48(10080)44.404.46(10080)12-2855.005.08

40、(10080)14P4.995.06(10080)：1/4-2855.865.93(10080)45.855.92(10080)5/16-2467.387.46(10080)57.367.43(10085)3/8-2468.969.05(10080)58.959.02(10085)7/16-20710.4410.54(10080)510.4110.49(10085)1/2-20712.0212.12(10080)512.0012.05(10090)9/16-18913.5513.66(10080)713.5313.58(10090)5/8-18915.1415.25(10080)715.111

41、5.17(10090)3/4-161018.2218.32(10085)718.1818.25(10090)7/8-141121.2721.38(10085)821.2321.27(10095)1-121224.2824.41(10085)924.2424.32(10090)螺纹尺寸RH精度最小最大（嵌合率%）PF1/869.24-9.35(10080)1/4712.4112.62(10075)3/8715.9216.12(10075)1/2819.9320.15(10080)3/4825.4125.64(10080)英制管用平行螺纹（NRT）（罩位：mm）螺纹下孔径表（瓢屑攻用）公制螺纹（H

42、RT）（罩位：mm）螺纹尺寸1级螺纹用卜孔径2级螺纹用卜孔径RH精度最小最大（嵌合率%）RH精度最小最大（嵌合率%）M1X0.252P0.858-0.879(100-85)40.858-0.887(10080)1.2>0.2521.058-1.079(10085)41.058-1.087(10080)1.4>0.321.23-1.26(10085)41.23-1.26(10080)1.6>0.352P1.40-1.44(100-80)H41.40-1.45(10075)1.7>0.35一1.50-1.54(10080)41.50-1.55(10075)1.8>0.352P1.60-1.64(100-80)141.60-1.65(10075)2X0.421.77-1.82(10080)41.77-1.82(10080)2X0.252F1.858-1.887(10080)一1.858-1.887(10080)2.3>0.4一2.07-2.12(10080)42.07-2.13(10075)2.5>0.4532.24-2.30(10080)52.24-2.31(10075)2.6>0.45一2.34-2.40(10080)