1、规格标准径最大最小规格标准径 最大 最小M1.0*0.250.750.785 0.729 M1.0*0.20.8 0.82 0.8M1.1*0.250.850.885 0.829 M1.1*0.20.9 0.92 0.9M1.2*0.250.950.985 0.929 M1.2*0.21 1.021M1.4*0.31.11.142 1.075 M1.4*0.21.2 1.22 1.2M1.6*0.351.251.321 1.221 M1.6*0.21.4 1.42 1.4M1.7*0.351.351.421 1.321 M1.7*0.21.451.5 1.5M1.8*0.351.451.521
2、 1.421 M1.8*0.21.6 1.62 1.6M2.0*0.41.61.679 1.567 M2.0*0.251.75 1.79 1.7M2.2*0.451.751.888 1.713 M2.2*0.251.95 1.99 1.9M2.3*0.41.91.979 1.867 M2.3*0.252.05 2.062M2.5*0.452.12.138 2.013 M2.5*0.352.2 2.22 2.1M2.6*0.452.22.238 2.113 M2.5*0.352.2 2.25 2.2M3.0*0.52.52.599 2.459 M3.0*0.352.7 2.72 2.6M3.0*
3、0.62.42.442.28 M3.5*0.353.2 3.22 3.1M3.5*0.62.93.012.85 M4.0*0.53.53.6 3.5M4.0*0.73.83.422 3.242 M4.5*0.544.14M4.0*0.753.253.326 3.106 M5.0*0.54.54.6 4.5M4.5*0.73.83.878 3.688 M5.5*0.555.15M5*0.84.24.334 4.134 M6.0*0.755.3 5.38 5.2M5*0.94.14.173.98 M6.0*0.55.5 5.55 5.4M6*1.055.153 4.917 M7.0*0.756.3
4、 6.38 6.2M7*1.066.153 5.917 M7.0*0.56.5 6.55 6.4M8*1.256.86.912 6.647 M8.0*17 7.15 6.9M9*1.257.87.912 7.647 M8.0*0.757.3 7.38 7.2M10*1.58.58.676 8.376 M8.0*0.57.5 7.52 7.4M11*1.59.59.676 9.376 M9.0*18 8.15 7.9M12*1.7510.310.24 10.11 M9.0*0.758.3 8.38 8.2M14*2.01212.21 11.84 M10*1.258.8 8.91 8.6M16*2
5、.01414.21 13.84 M10*1.09 9.15 8.9M18*2.515 15.144 15.29 M10*0.759.3 9.38 9.2公制粗螺纹公制细螺纹M20*2.517 17.744 17.29 M10*0.59.5 9.52 9.4M22*2.519 19.744 19.29 M11*1.010 10.2 9.9M24*3.021 21.252 20.75 M11*0.7510.3 10.410M27*3.024 24.252 23.75 M12*1.510.5 10.710M30*3.526.5 26.771 26.21 M12*1.2510.8 10.911M12*
6、111 11.211M12*0.511.5 11.511M14*0.512.5 12.712M14*1.013 13.213M15*1.5013.5 13.713规格 标准径最大 最小M15*1.0 1414 13.9M16*1.5 1515 14.4M16*1.0 1515 14.9M17*1.5 1616 15.4M17*1.0 1616 15.9M18*2.0 1616 15.8M18*1.5 1717 16.4M18*1.0 1717 16.9M20*2.0 1818 17.8M20*1.5 1919 18.4M20*1.0 1919 18.9M22*2.0 2020 19.8M22*
7、1.5 2121 20.422*1.0 2121 20.9M24*2.0 2222 21.8M24*1.5 2323 22.4M24*1.0 2323 22.9M25*2.0 2323 22.8M25*1.5 2424 23.4M25*1.0 2424 23.9M26*1.5 2525 24.9M27*2.0 2525 24.7M27*1.5 262625.4M27*1.0 2626 25.7M28*2.0 2626 25.8M28*1.5 2627 26.4M28*1.0 2727 26.9M30*3.0 2727 26.8M30*2.0 2828 27.8M30*1.0 2829 28.4
8、公制细螺纹M32*2.0 3029 28.9M32*1.5 3030 29.8M33*3.0 3031 30.4M33*2.0 3130 29.8M33*1.5 3231 30.8M35*1.5 3434 31.4M36*3.0 3333 32.8M36*2.0 3434 33.8M36*1.5 3435 34.4上限下限上限下限M1*0.250.750.7850.729 M1*0.200.80.8210.783M1.1*0.250.850.8850.829 M1.1*0.200.90.9210.883M1.2*.250.950.9850.929 M1.2*0.2011.0210.983M1.
9、4*0.31.11.1421.075 M1.4*0.201.21.2211.183M1.6*0.351.251.3211.221 M1.6*0.201.41.4211.383M1.7*0.351.351.4211.321*M1.7*0.201.451.51.46M1.8*0.351.451.5211.421 M1.8*0.201.61.6211.583M2*0.41.61.6791.576 M2*0.251.751.7851.729M2.2*0.451.751.8381.713 M2.2*0.251.951.9851.929M2.3*0.41.91.9791.867*M2.3*0.252.05
10、2.0162.001M2.5*0.452.12.1382.013 M2.5*0.352.1212.2212.121M2.6*0.452.22.2382.113*M2.6*0.352.22.2462.186M3*0.52.52.5992.459 M3*0.352.72.7212.621*M3*0.62.42.442.28 M3.5*0.353.23.2213.121M3.5*0.62.93.012.85 M4*0.503.53.5993.459M4*0.73.33.4223.242 M4.5*0.5044.0993.959*M4*0.753.253.3263.106 M5*0.504.54.59
11、94.459M4.5*0.753.83.8783.688 M5.5*0.5055.0994.959M5*0.84.24.3344.134 M6*0.755.35.3785.188*M5*0.94.14.173.93*M6*0.55.55.555.4M6*155.1534.917 M7*0.756.36.3786.188M7*166.1535.917*M7*0.506.56.556.4M8*1.256.86.9126.647 M8*1.077.1536.917M9*1.257.87.9127.647 M8*0.757.37.3787.188M10*1.58.58.6768.376*M8*0.50
12、7.57.527.4M11*1.59.59.6769.376 M9*1.088.1537.917M12*1.7510.310.44110.106 M9*0.758.38.3788.188M14*21212.2111.835 M10*1.258.88.9128.647M16*21414.2113.835M18*2.515.515.74415.249M20*2.517.517.74417.249M22*2.519.519.74419.249M24*32121.25220.752M27*32424.25223.752M30*3.526.526.77126.211M33*3.529.529.77129
13、.211M36*43232.2731.67M39*43535.2734.67M42*4.537.537.77937.129公制细螺纹公制标准螺纹规格标准径2级螺纹内径规格标准径1级-2级螺纹内径M45*4.540.540.77940.129M48*54343.27942.587附*号螺纹自学968年3月删除标准径最大最小最大NO.164（1.551.5821.452 PS116-286.56.632NO.2-56(2.184)1.81.8711.695 PS18-288.58.687NO.3-48(2.515)2.12.1461.941 Ps14-1911.411.549NO.4-40(2.8
14、45)2.32.3852.157 PS38-191515.054NO.5-40(3.173)2.62.6792.487 PS12-1418.518.733NO.6-32(3.505)2.82.8952.642 PS34-142424.259NO.8-32(4.166)3.43.533.302 PS14-1130.230.471NO.10-24(4.826)3.93.9623.683 PS1-14-1138.839.132NO.12-24(5.486)4.54.5974.344 PS1-12-1144.845.02514-205.15.2574.979 PS2-12-1156.556.83651
15、6-186.66.7316.40138-1688.1537.793716-149.49.559.144有效牙部之长标准长度之12-1310.811.02310.592使用铰刀时不用铰刀时度中螺牙内径螺牙内 径916-1212.212.44611.989 PT116-286.16.26.2446.38458-1113.612.86813.386 PT18-288.188.2498.38834-1016.518.8416.307 PT14-1910.71110.96211.17478-919.519.76119.507 PT38-1914.214.514.44814.68518-822.222.6
16、0621.971 PT12-1417.61317.97918.2631-18-72525.34924.6398 PT34-142323.523.37823.6631-14-728.228.52427.813 PT14-112929.529.45929.8221-38-630.831.11530.353 PT1-14-1137.53837.97638.3391-12-63434.2933.528 PT1-12-1143.44443.86944.2321-34-539.539.82738.964 PT2-2-1154.955.555.41255.8441-4-1245.245.59344.679钻
17、孔径最小6.498.49511.34114.846美制粗螺纹英制管螺纹规格UNC外径2级牙钻孔径规格标准径44.66556.476英制管螺纹规格标准径18.48923.97530.11138.772铰刀时不用铰刀时使用铰刀时 不使用铰刀时PT116-286.16.26.2446.5.94(0.23)6.15(0.242)6.35(0.250)PT18-288.18.28.249818-278.33(0.328)8.43(0.332)8.74(0.344)PT14-1910.71110.9261114-1810.72(0.422)11.13(0.438)11.13(0.438)PT38-1914
18、.214.514.4481438-1814.27(0.526)14.27(0.562)14.68(0.578)PT12-1417.61817.9791812-1417.48(0.688)17.86(0.703)18.26(0.719)PT34-142323.523.3782334-1422.63(0.891)23.0(0.906)23.42(0.922)PT1-112929.529.459291-111228.58(1.125)28.98(1.414)29.36(1.156)PT114-11373837.97638114-111237.31(1.469)37.69(1.484)38.1(1.5
19、)PT112-11434443.86942112-111243.26(1.703)43.66(1.719)44.45(1.750)PT2-115455.555.412552-111255.17(2.172)55.58(2.188)56.36(2.219)212-865.48(2.578)66.27(2.609)67.46(2.656)上限PF116-286.76.843PF18-288.78.848使用铰刀时 不使用铰刀时PF14-1911.711.89116-275.94(0.234)6.15(0.242)6.25(0.246)PF38-1915.215.39518-278.33(0.328
20、)8.43(0.322)8.61(0.339)PF12-141919.17214-1810.72(0.422)11.13(0.438)11.13(0.438)PF58-142121.12838-1814.27(0.562)14.27(0.526)14.68(0.578)PF34-1424.524.65812-1417.48(0.688)17.86(0.703)17.86(0.703)PF78-1428.228.41834-1422.63(0.891)23.01(0.906)23.42(0.922)PF1-1130.530.9311-111228.58(1.125)28.98(1.141)29.
21、36(1.156)PF118-1135.235.579114-111237.31(1.469)37.69(1.484)PF114-1139.239.592112-111243.26(1.703)43.66(1.719)PF112-114545.4582-111255.17(2.172)55.58(2.188)PF134-115151.428212-865.48(2.578)66.27(2.609)PF2-115757.296上限PS116-286.56.632PS18-288.58.637PS14-1911.411.549PS38-191515.054PS12-1418.518.773PS34
22、-142424.259PS1-1130.230.471PS114-1138.839.132PS112-1144.845.025PS-1156.556.863美制管螺纹管用螺纹(PT)规格钻头径()内英制尺寸规格钻头径有效螺纹长度用内径标用NPTNPSCNPSF8.56611.445管用螺纹(PF)规格钻头径AB级螺纹内径14.9518.63120.58724.117乾封美制管螺纹下限规格钻头径()内英制尺寸6.561NPTF44.84550.78856.656管用螺纹(PS)27.88730.29134.93.938.9526.48.411.314.8规格钻头径螺纹内径下限44.656.418
23、.423.930.138.7G4G6G7G8G9硬材软材NO.2-56UNC 1.94W18-402.652.5NO.3-482.23W532-323.253.2NO.4-402.5W316-243.753.7NO.6-322.83W14-205.15NO.8-323.073.75W516-166.66.5NO.10-243.784.3W38-1887.9NO.12-244.244.56W716-149.49.314-204.95.72W12-1210.710.5516-187.24W916-1212.31238-168.748.81W58-1113.713.5716-1410.210.3W3
24、4-1016.716.512-1311.2711.82W78-919.519.3NO.2-64UNF 1.97W18-822.422NO.3-562.27W1-18-72524.8NO.4-482.56W1-14-728.328NO.5-442.86NO.6-403.16针车用螺纹NO.8-363.78规格滚造径NO.10-324.394.43SW18-402.735-2.688NO.12-284.995.04SM18-442.769-2.72214-285.855.9516-247.367.4138-249716-2010.4810.5412-2012.0712.13美制迫牙丝攻钻孔径英制螺
25、纹规格精度等级规格钻孔径规格滚造径最大最小SM18-402.735-2.668NO.12-324.74.8264.623 SM18-442.769-2.722SM964-403.128-3.08314-325.65.695.486 SM11643.855-3.805516-327.17.2647.087 SM316-324.205-4.15538-328.78.8658.661 SM316-284.143-4.093716-2810.210.33810.135 SM732-325.003-4.95512-2811.613.38611.709 SM1564-285.325-5.570916-24
26、13.214.98613.132 SM14-405.890-54.73558-2414.814.98614.732 SM14-285.721-5.36834-2017.817.95817.678 SM932-286.508-6.64878-202121.13320.859 SM1131-288.092-8.4321-202424.30824.028 SM38-288.880-8.015SM716-2810.466-10.401SM716-1610.037-9.967SM12-2011.819-11.749SM916-2013.4-13.425最大最小116-276.16.256.35 规格滚造
27、径18-278.388.438.74 M3*0.52.63-2.514-1810.7211.1311.13 M3*0.62.53-2.538-1814.2714.2714.68 M3.5*0.63.06-3.0312-1417.4817.8618.26 M4*0.73.49-3.1534-1422.6323.0123.42 M4*0.753.45-3.411-11-1228.5828.9829.36 M4.5*0.753.96-3.921-14-11-1237.3137.6938.1 M5*0.84.43-4.381-12-11-1243.6644.0444.45 M5*0.94.36-4.3
28、12-11-1255.5855.9656.36 M6*1.05.3-5.25M7*1.06.3-6.25M8*1.07.28-7.23规格M8*1.257.12-7.072BA3BA4BA5BA6BA针车螺纹规格（UNEF）标准径2级牙钻孔径美制管螺纹规格钻孔径NPTNPS美制特制螺纹3-3.22.7-2.82.4-2.5公制螺纹英制电器螺纹钻孔径4-4.2规格(丝牙外径）标准径最大最小7G81.251.3051.182G4G6G7G8G9NO.1-72(1.854)1.551.6121.474 M1.0*0.250.860.88NO.2-64(2.134)1.851.9121.756 M1.
29、1*0.250.960.98NO.3-56(2.515)2.12.1972.025 M1.2*0.251.061.08NO.4-48(2.345)2.42.4562.271 M1.4*0.31.241.25NO.5-44(3.175)2.72.742.551 M1.6*0.351.411.43NO.6-40(3.505)2.93.0222.82 M1.7*0.351.511.53NO.8-36(4.166)3.53.6063.404 M1.8*0.351.611.63NO.10-32(4.326)4.14.1653.963 M2.0*0.41.781.8NO.12-28(5.846)4.64.
30、7244.496 M2.2*0.451.951.9814-285.55.5885.36 M2.3*0.42.082.1516-246.97.0356.782 M2.5*0.452.252.2838-248.58.6368.382 M2.6*0.452.352.38716-209.910.0339.729 M3.0*0.52.732.7512-2011.511.60711.329 M3.5*0.63.173.2916-1812.913.08112.751 M4.0*0.73.623.653.6958-1814.514.68114.351 M5.0*0.84.564.64.6434-1617.51
31、7.67817.323 M6.0*1.05.455.55.5578-1420.520.67520.27 M7.0*1.06.456.56.5518-1223.223.57123.114 M8.0*1.257.317.387.441-18-1226.526.74626.289 M10*1.59.189.259.321-14-1229.529.92129.464 M10*1.259.319.389.441-38-123233.09632.639 M12*1.7511.0411.1211.211-12-123636.27135.814 M12*1.2511.3111.3811.44美制细螺纹公制迫牙
32、丝攻钻孔径规格精度等级上限上限NO.1-64UNC1.551.582no.0-80unf1.251.305NO.2-56UNC1.81.871no.1-72unf1.551.612NO.3-48UNC2.12.146no.2-64-unf1.851.912NO.4-40UNC2.32.385no.3-565unf2.12.197NO.5-40UNC2.62.679no.4-48unf2.42.458NO.6-32UNC2.82.895no.5-44unf2.72.74NO.832UNC3.43.53no.6-40unf2.93.022NO.10-24UNC3.93.926no.8-36unf3
33、.53.606NO.12-24UNC4.54.597no.10-32unf4.14.16514-20UNC5.15.257no.12-28unf4.64.724516-18unc6.66.73114-28unf5.55.58838-16UNC88.153516-24unf6.97.035716-14UNC9.49.5538-24unf8.58.63612-13UNC10.811.023716-20unf9.910.033916-12UNC12.212.44612-unf11.511.60758-11UNC13.613.868916-unf12.913.08134-10UNC16.516.8458-18unf14.514.68178-9UNC19.519.76134-16unf17.517.6781-8UNC22.222.60678-14unf20.520.675118-7UNC2525.3
