公制英制螺纹对照表JIS标准

螺紋下孔徑 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表公制細牙螺紋公制細牙螺紋公制細牙螺紋公制細牙螺紋JISB0211-1982(單位單位單位單位：：：：mm)螺紋尺寸鑽頭直徑崁合度區分：中(注1)2級(注2)下孔徑崁合度區分：中(註1)2級(註2)內螺紋小徑最小直徑最大直徑M2.5×0.352.22.22(75%)2.1212.2213×0.352.72.72(75%)2.6212.7213.5×0.353.23.22(75%)3.1213.2214×0.53.53.59(75%)3.4593.5994.5×0.544.09(75%)3.9594.0995×0.54.54.59(75%)4.4594.5995.5×0.555.09(75%)4.9595.0996×0.755.35.35(80%)5.1885.3787×0.756.36.35(80%)6.1886.3788×177.13(80%)6.9177.1538×0.757.37.35(80%)7.1887.3789×188.13(80%)7.9178.1539×0.758.38.35(80%)8.1888.37810×1.258.88.85(85%)8.6478.91210×199.13(80%)8.9179.15310×0.759.39.35(80%)9.1889.37811×11010.13(80%)9.91710.15311×0.7510.310.35(80%)10.18810.37812×1.510.510.62(85%)10.37610.67612×1.2510.810.85(85%)10.64710.91212×11111.13(80%)10.91711.15314×1.512.512.62(85%)12.37612.67614×11313.13(80%)12.91713.15315×1.513.513.62(85%)13.37613.67615×11414.13(80%)13.91714.15316×1.514.514.62(85%)14.37614.67616×11515.13(80%)14.91715.15317×1.515.515.62(85%)15.37615.67617×11616.13(80%)15.91716.15318×21616.2(85%)15.83516.21018×1.516.516.62(85%)16.37616.67618×11717.13(80%)16.91717.15320×21818.2(85%)17.83518.21020×1.518.518.62(85%)18.37618.67620×11919.13(80%)18.91719.15322×22020.2(85%)19.83520.21022×1.520.520.62(85%)20.37620.67622×12121.13(80%)20.91721.15324×22222.2(85%)21.83522.21024×1.522.522.62(85%)22.37622.67624×12323.13(80%)22.91723.15325×22323.2(85%)22.83523.21025×1.523.523.62(85%)23.37623.67625×12424.13(80%)23.91724.153螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表公制細牙螺紋公制細牙螺紋公制細牙螺紋公制細牙螺紋JISB0211-1982(單位單位單位單位：：：：mm)螺紋尺寸鑽頭直徑崁合度區分：中(注1)2級(注2)下孔徑崁合度區分：中(註1)2級(註2)內螺紋小徑最小直徑最大直徑M26×1.524.524.62(85%)24.37624.67627×22525.2(85%)24.83525.21027×1.525.525.62(85%)25.37625.67627×12626.13(80%)25.91726.15328×22626.2(85%)25.83526.21028×1.526.526.62(85%)26.37626.67628×12727.13(80%)26.91727.15330×32727.2(85%)26.75227.25230×22828.2(85%)27.83528.21030×1.528.528.62(85%)28.37628.67630×12929.13(80%)28.91729.15332×23030.2(85%)29.83530.21032×1.530.530.62(85%)30.37630.67633×33030.2(85%)29.75230.25233×23131.2(85%)30.83531.21033×1.531.531.62(85%)31.37631.67635×1.533.533.62(85%)33.37633.67636×33333.2(85%)32.75233.25236×23434.2(85%)33.83534.21036×1.534.534.62(85%)34.37634.67638×1.536.536.62(85%)36.37636.67639×33636.2(85%)35.75236.25239×23737.2(85%)36.83537.21039×1.537.537.62(85%)37.37637.67640×33737.2(85%)36.75237.25240×23838.2(85%)37.83538.21040×1.538.538.62(85%)38.37638.67642×43838.1(90%)37.67038.27042×33939.2(85%)38.75239.25242×24040.2(85%)39.83540.21042×1.540.540.62(85%)40.37640.67645×44141.1(90%)40.67041.27045×34242.2(85%)41.75242.25245×24343.2(85%)42.83543.21045×1.543.543.62(85%)43.37643.67648×44444.1(90%)43.67044.27048×34545.2(85%)44.75245.25248×24646.2(85%)45.83546.21048×1.546.546.62(85%)46.37646.67650×34747.2(85%)46.75247.25250×24848.2(85%)47.83548.21050×1.548.548.62(85%)48.37648.676註(1)等級：6H(2)基於JISB0211-1982標準螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表美制粗牙螺紋美制粗牙螺紋美制粗牙螺紋美制粗牙螺紋(單位單位單位單位：：：：mm)螺紋尺寸鑽頭直徑2B級螺紋下孔徑內螺紋小徑最小直徑最大直徑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%)3.6833.96212-244.54.57(80%)4.3444.5971/4-205.15.25(80%)4.9795.2575/16-186.66.72(80%)6.4016.7313/8-1688.15(80%)7.7988.1537/16-149.49.50(80%)9.1449.5501/2-1310.811.0(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%)21.97122.60611/8-72525.2(85%)24.63825.34911/4-728.228.4(85%)27.81328.52413/8-630.831.0(85%)30.35331.11511/2-63434.2(85%)33.52834.29013/4-539.539.8(85%)38.96439.8272-445.245.3(90%)44.67945.593螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表美制細牙螺紋美制細牙螺紋美制細牙螺紋美制細牙螺紋(單位單位單位單位：：：：mm)螺紋尺寸鑽頭直徑2B級螺紋下孔徑內螺紋小徑最小直徑最大直徑NO.0-80UNF1.251.30(65%)1.1821.3051-721.551.61(65%)1.4741.6122-641.851.90(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%)3.4043.60610-324.14.14(80%)3.9634.16512-284.64.70(80%)4.4964.7241/4-285.55.56(80%)5.3605.5885/16-246.97.02(80%)6.7827.0353/8-248.58.61(80%)8.3828.6367/16-209.910.01(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%)32.63933.09611/2-123636.2(85%)35.81436.271螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表縫紉機螺紋縫紉機螺紋縫紉機螺紋縫紉機螺紋(SM)(單位單位單位單位：：：：mm)螺紋尺寸鑽頭直徑2B級螺紋下孔徑2級內螺紋小徑最小直徑最大直徑SM1/16-801.251.28(75%)1.2111.2815/64-641.551.57(80%)1.5131.5933/32-1002.102.15(70%)2.0812.1563/32-561.851.91(80%)1.8411.9361/8-442.502.58(80%)2.4852.6051/8-402.452.52(80%)2.4212.5519/64-402.852.91(80%)2.8182.94811/64-403.653.71(80%)3.6123.7423/16-323.903.94(80%)3.8203.9803/16-283.703.82(80%)3.6843.8447/32-324.704.73(80%)4.6144.77415/64-284.905.01(80%)4.8755.0551/4-405.605.69(80%)5.5965.7261/4-285.305.41(80%)5.2725.452縫紉機螺紋縫紉機螺紋縫紉機螺紋縫紉機螺紋(SM)(單位單位單位單位：：：：mm)螺紋尺寸鑽頭直徑2B級螺紋下孔徑2級內螺紋小徑最小直徑最大直徑SM1/4-245.105.25(80%)5.0865.2669/32-286.106.20(80%)6.0666.2569/32-205.705.82(80%)5.6345.8245/16-286.906.00(80%)6.8607.0505/16-246.706.84(80%)6.6746.8645/16-186.306.38(85%)6.2546.4443/8-288.508.58(80%)8.4478.6373/8-187.907.97(85%)7.8438.0537/16-2810.1010.17(80%)10.03410.2247/16-169.309.36(85%)9.2209.4401/2-2811.7011.76(80%)11.62211.8121/2-2011.3011.38(80%)11.19011.4101/2-1210.3010.36(85%)10.18010.420螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表英制粗牙螺紋英制粗牙螺紋英制粗牙螺紋英制粗牙螺紋(單位單位單位單位：：：：mm)螺紋尺寸下孔徑嵌合率A列(硬材質)B列(軟材質)A列直徑B列直徑內螺紋最小徑內螺紋最大徑W1/82.62.570.783.070.088.33/163.73.678.485.870.088.31/45.15.076.983.070.588.35/166.66.574.099.570.188.43/88.07.975.080.069.588.27/169.49.373.780.069.088.81/210.710.573.881.269.088.29/1612.312.073.484.469.088.25/813.713.573.580.369.688.53/416.716.572.378.469.688.37/819.519.375.480.970.188.4122.422.073.883.671.088.211/825.024.876.981.372.088.411/428.328.074.380.772.088.413/830.530.381.685.373.888.611/233.833.579.384.873.888.615/836.035.781.185.774.888.313/439.239.080.783.874.888.317/841.841.580.684.774.788.4245.044.780.284.474.788.4螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表英制管用螺紋英制管用螺紋英制管用螺紋英制管用螺紋(單位單位單位單位：：：：mm)管用螺紋尺寸JISB0203JISB2301錐管內螺紋Rc(PT)平行內螺紋Rp(PS)錐管內螺紋計算值下孔徑計算值下孔徑計算值下孔徑1/166.2306.26.4906.5－－1/88.2358.28.4958.58.1918.21/410.94110.911.34111.410.94510.93/814.42814.414.84614.914.38814.41/217.9501818.48918.517.943183/423.3492323.9752423.30523129.4232930.1113029.3532911/437.9403838.7723937.8903811/243.8334444.5654543.72043255.4125556.4765655.4065521/270.7017172.0097270.78870383.2018384.7098583.3648331/295.5479697.1559795.747954107.834108109.855110108.3221085133.110133135.255135133.5971336158.510159160.655161158.8101587183.360183185.9541868208.560209211.3542129233.960234236.75423710259.166259262.15426212309.747310312.8753131982年由於ISO進入，JIS管用螺紋規格得到修訂，螺紋代號有了變更，因此絲攻的名稱還是延用了舊代號。JISB0202-1982JISB0203-1982總總總總類類類類舊舊舊舊記記記記號號號號新新新新記記記記號號號號耐密用斜行母螺紋耐密用斜行母螺紋耐密用斜行母螺紋耐密用斜行母螺紋PTRc耐密用平行母螺紋耐密用平行母螺紋耐密用平行母螺紋耐密用平行母螺紋PSRp機械連結用平行母螺紋機械連結用平行母螺紋機械連結用平行母螺紋機械連結用平行母螺紋PFG螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表英制平行管用螺紋英制平行管用螺紋英制平行管用螺紋英制平行管用螺紋PF(G)(單位單位單位單位：：：：mm)螺紋下孔徑內螺紋小徑(參考)尺寸大徑標準嵌合高度H系列1009590858075706560最小直徑最大直徑G1/167.7230.58086.566.626.686.746.796.856.916.977.036.8436.561G(PF)1/89.728〞8.578.628.688.748.808.868.928.979.038.8488.5661/413.1570.856011.5311.6211.7011.7911.8711.9612.0412.1311.89011.4453/816.662〞14.9515.0415.1215.2115.2915.3815.4615.5515.6415.39514.9501/220.9551.161818.818.919.019.119.219.319.419.619.17218.6315/822.911〞20.620.720.820.921.021.221.321.421.521.13020.5893/426.441〞24.224.424.524.624.724.824.925.024.65824.1177/830.201〞27.928.028.128.228.338.528.628.728.828.41827.877133.24914.78630.330.430.630.730.931.031.231.331.530.93130.29111/837.897〞35.135.235.435.535.735.835.936.535.57934.93911/441.910〞39.039.139.239.439.639.739.840.040.139.59238.95213/844.323〞41.441.541.741.842.042.142.242.442.642.00541.36511/247.803〞45.045.145.345.445.645.745.946.045.48549.02315/851.910〞49.249.349.549.649.849.950.050.249.67250.78813/453.746〞50.850.951.151.251.451.551.752.052.051.42856.656259.614〞56.857.057.157.257.457.557.857.857.296使用粗線左側數據作為攻絲前的底孔直徑，可加工符合JISB0202的A級或B級的內螺紋小徑。美制斜行管用螺紋美制斜行管用螺紋美制斜行管用螺紋美制斜行管用螺紋(NPT‧‧‧‧NPS)(單位單位單位單位：：：：mm)管用螺紋尺寸斜行螺紋(NPT)平行螺紋(NPS)鑽頭直徑鑽頭直徑使用鉸刀場合不使用鉸刀場合1/16－0.234(5.94)0.246(6.15)1/40.250(6.35)1/821/640.328(8.33)－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(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)221/322.656(67.46)上述鑽頭直徑來源於美制管用螺紋ANSI／ASMEB1.20.1—1983PipeThreads,GeneralPurpose(Inch)標準。螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表美制管用耐密斜行螺紋美制管用耐密斜行螺紋美制管用耐密斜行螺紋美制管用耐密斜行螺紋(NPTF‧‧‧‧NPSF)(單位單位單位單位：：：：mm)管用螺紋尺寸斜行螺紋(NPTF)平行螺紋(NPSF)鑽頭直徑鑽頭直徑使用鉸刀場合不使用鉸刀場合1/16－0.234(5.94)0.246(6.25)1/40.250(6.35)1/821/640.328(8.33)－0.339(8.61)11/320.344(8.74)1/427/640.422(10.72)7/160.438(11.13)－0.444(11.28)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)－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)－－11/2145/641.703(43.26)147/641.734(44.04)－－223/162.188(55.58)27/322.219(56.36)－－21/2219/322.594(65.89)241/642.641(67.08)－－上述鑽頭直徑來源於美制管用耐密斜行螺紋ANSIB1.20.3—1957DrysealPipeThreads(Inch)標準。螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表(無屑絲攻用無屑絲攻用無屑絲攻用無屑絲攻用)公制螺紋公制螺紋公制螺紋公制螺紋(NRT)(單位單位單位單位：：：：mm)螺紋尺寸1級螺紋用下孔徑2級螺紋用下孔徑RH精度最小～最大(嵌合率％)RH精度最小～最大(嵌合率％)M1×0.2520.87~0.89(100~85)40.90~0.92(100~80)1.1×0.2520.97~0.99(100~85)41.00~1.02(100~80)1.2×0.2521.07~1.09(100~85)41.10~1.12(100~80)1.4×0.321.244~1.263(100~85)41.270~1.294(100~80)1.7×0.3521.51~1.54(100~80)41.54~1.58(100~75)2×0.421.78~1.82(100~80)41.81~1.85(100~75)2.3×0.422.08~2.12(100~80)42.11~2.15(100~75)2.5×0.4522.25~2.29(100~80)42.28~2.33(100~75)2.6×0.4522.35~2.39(100~80)42.38~2.43(100~75)3×0.532.74~2.78(100~80)52.76~2.81(100~75)3.5×0.633.18~3.21(100~85)53.20~3.26(100~75)4×0.743.63~3.67(100~85)63.65~3.70(100~85)5×0.844.57~4.62(100~85)64.59~4.66(100~80)6×145.45~5.51(100~85)75.48~5.57(100~80)7×146.45~6.51(100~85)76.48~6.57(100~80)8×1.2557.31~7.38(100~85)77.34~7.41(100~85)8×147.45~7.51(100~85)77.48~7.57(100~80)10×1.559.16~9.22(100~90)79.18~9.28(100~85)10×1.2559.31~9.38(100~85)79.34~9.41(100~85)10×159.46~9.52(100~85)79.48~9.57(100~80)12×1.75511.01~11.08(100~90)811.05~11.15(100~85)12×1.5511.16~11.22(100~90)711.18~11.28(100~85)12×1.25511.31~11.38(100~85)711.34~11.41(100~85)12×1511.46~11.52(100~85)711.48~11.57(100~80)14×2612.83~12.95(100~90)1012.92~13.04(100~85)14×1.5513.16~13.22(100~90)913.21~13.30(100~85)16×2614.87~14.95(100~90)1014.92~15.04(100~85)16×1.5515.16~15.22(100~90)915.21~15.30(100~80)18×2.5616.57~16.67(100~90)1116.63~16.78(100~85)18×1.5617.17~17.23(100~90)1017.22~17.31(100~85)20×2.5618.57~18.67(100~90)1118.63~18.78(100~85)20×1.5619.17~19.23(100~90)1019.22~19.31(100~85)螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表((((無屑絲攻用無屑絲攻用無屑絲攻用無屑絲攻用))))美制粗牙螺紋美制粗牙螺紋美制粗牙螺紋美制粗牙螺紋(NRT)(單位單位單位單位：：：：mm)螺紋尺寸2B級螺紋用下孔徑3B級螺紋用下孔徑RH精度最小～最大(嵌合率％)RH精度最小～最大(嵌合率％)NO.2-56UNC41.96~2.02(100~65)31.95~2.01(100~65)3-4842.25~2.32(100~65)32.23~2.31(100~65)4-4052.52~2.60(100~70)32.50~2.58(100~70)5-4052.86~2.93(100~70)32.83~2.91(100~70)6-3253.09~3.17(100~75)33.06~3.14(100~75)8-3263.75~3.83(100~75)43.74~3.82(100~75)10-2464.26~4.35(100~80)44.24~4.32(100~80)12-2464.92~5.01(100~80)44.90~4.96(100~85)1/4-2065.66~5.76(100~80)45.64~5.74(100~80)5/16-1877.18~7.29(100~80)57.15~7.24(100~85)3/8-1678.66~8.78(100~80)58.63~8.73(100~85)7/16-14710.11~10.25(100~80)510.08~10.19(100~85)1/2-13810.62~11.78(100~80)611.60~11.68(100~90)9/16-121013.14~13.27(100~85)813.11~13.24(100~85)5/8-111114.62~14.76(100~85)814.58~14.67(100~90)3/4-101217.67~17.88(100~80)917.63~17.74(100~90)7/8-91220.68~20.85(100~85)920.64~20.75(100~90)1-81323.65~23.84(100~85)1023.61~23.74(100~90)螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表((((無屑絲攻用無屑絲攻用無屑絲攻用無屑絲攻用))))美制細牙螺紋美制細牙螺紋美制細牙螺紋美制細牙螺紋(NRT)(單位單位單位單位：：：：mm)螺紋尺寸2B級螺紋用下孔徑3B級螺紋用下孔徑RH精度最小～最大(嵌合率％)RH精度最小～最大(嵌合率％)NO.2-64UNF31.98~2.04(100~65)21.97~2.03(100~65)3-5642.29~2.35(100~65)32.28~2.34(100~65)4-4842.57~2.64(100~70)32.56~2.63(100~70)5-4442.88~2.95(100~70)32.87~2.94(100~70)6-4053.19~3.26(100~70)33.16~3.22(100~75)8-3653.80~3.88(100~75)43.79~3.86(100~75)10-3254.41~4.48(100~80)44.40~4.46(100~80)12-2855.00~5.08(100~80)44.99~5.06(100~80)1/4-2855.86~5.93(100~80)45.85~5.92(100~80)5/16-2467.38~7.46(100~80)57.36~7.43(100~85)3/8-2468.96~9.05(100~80)58.95~9.02(100~85)7/16-20710.44~10.54(100~80)510.41~10.49(100~85)1/2-20712.02~12.12(100~80)512.00~12.05(100~90)9/16-18913.55~13.66(100~80)713.53~13.58(100~90)5/8-18915.14~15.25(100~80)715.11~15.17(100~90)3/4-161018.22~18.32(100~85)718.18~18.25(100~90)7/8-141121.27~21.38(100~85)821.23~21.27(100~95)1-121224.28~24.41(100~85)924.24~24.32(100~90)英制管用平行螺紋英制管用平行螺紋英制管用平行螺紋英制管用平行螺紋(NRT)(單位單位單位單位：：：：mm)螺紋尺寸RH精度最小～最大(嵌合率％)PF1/869.24~9.35(100~80)1/4712.41~12.62(100~75)3/8715.92~16.12(100~75)1/2819.93~20.15(100~80)3/4825.41~25.64(100~80)螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表((((無屑絲攻用無屑絲攻用無屑絲攻用無屑絲攻用))))公制螺紋公制螺紋公制螺紋公制螺紋(HRT)(單位單位單位單位：：：：mm)螺紋尺寸1級螺紋用下孔徑2級螺紋用下孔徑RH精度最小～最大(嵌合率％)RH精度最小～最大(嵌合率％)M1×0.2520.858~0.879(100~85)40.858~0.887(100~80)1.2×0.2521.058~1.079(100~85)41.058~1.087(100~80)1.4×0.321.23~1.26(100~85)41.23~1.26(100~80)1.6×0.3521.40~1.44(100~80)41.40~1.45(100~75)1.7×0.35－1.50~1.54(100~80)41.50~1.55(100~75)1.8×0.3521.60~1.64(100~80)41.60~1.65(100~75)2×0.421.77~1.82(100~80)41.77~1.82(100~80)2×0.2521.858~1.887(100~80)－1.858~1.887(100~80)2.3×0.4－2.07~2.12(100~80)42.07~2.13(100~75)2.5×0.4532.24~2.30(100~80)52.24~2.31(100~75)2.6×0.45－2.34~2.40(100~80)52.34~2.41(100~75)3×0.632.72~2.73(100~90)52.66~2.73(100~90)3×0.552.72~2.77(100~80)62.72~2.78(100~75)3×0.3532.80~2.84(100~80)52.80~2.85(100~75)3.5×0.633.16~3.21(100~85)53.16~3.25(100~75)4×0.7533.57~3.64(100~85)63.57~3.64(100~85)4×0.763.60~3.66(100~85)73.60~3.66(100~85)4×0.533.71~3.77(100~80)63.71~3.79(100~75)5×0.934.49~4.59(100~85)74.49~4.59(100~85)5×0.834.55~4.62(100~85)84.55~4.64(100~80)5×0.532.72~4.77(100~80)64.72~4.79(100~75)6×145.43~5.52(100~85)75.43~5.55(100~80)6×0.7535.57~5.64(100~85)75.57~5.66(100~80)螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表((((護套螺紋用護套螺紋用護套螺紋用護套螺紋用))))公制粗牙螺紋公制粗牙螺紋公制粗牙螺紋公制粗牙螺紋HL-NRT(單位單位單位單位：：：：mm)螺紋尺寸RH精度最小～最大(嵌合率％)M3×0.533.39~3.43(100~80)4×0.744.54~4.58(100~85)5×0.845.61~5.66(100~85)6×146.75~6.81(100~85)8×1.2558.93~9.01(100~85)10×1.5511.11~11.17(100~90)10×1.25510.93~11.01(100~85)12×1.75513.28~13.17(100~90)12×1.5513.11~13.17(100~90)12×1.25512.93~13.01(100~85)螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表((((護套螺紋用護套螺紋用護套螺紋用護套螺紋用))))公制粗牙螺紋公制粗牙螺紋公制粗牙螺紋公制粗牙螺紋(單位單位單位單位：：：：mm)螺紋尺寸下孔徑鑽頭直徑最小直徑最大直徑M2.5×0.452.602.652.62.6×0.452.702.752.73×0.53.123.203.14×0.74.174.304.25×0.85.165.335.26×16.256.426.38×1.258.318.528.410×1.510.3710.6210.512×1.7512.4312.7312.514×214.4914.8314.516×216.4916.8316.518×2.518.5819.0419.020×2.520.5821.0421.022×2.522.5823.0423.024×2.524.7025.2525.0公制細牙螺紋公制細牙螺紋公制細牙螺紋公制細牙螺紋(單位單位單位單位：：：：mm)螺紋尺寸下孔徑鑽頭直徑最小直徑最大直徑M10×110.2510.4210.310×1.2510.3110.5210.412×1.2512.3112.5212.512×1.512.3712.6212.514×1.514.3714.6214.516×1.516.3716.6216.518×1.518.3718.6218.520×1.520.3720.6220.520×220.4720.8320.522×1.522.3722.6222.524×1.524.3724.6224.524×224.4724.8324.530×1.530.3730.6230.5螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表((((護套螺紋用護套螺紋用護套螺紋用護套螺紋用))))美制粗牙螺紋美制粗牙螺紋美制粗牙螺紋美制粗牙螺紋(單位單位單位單位：：：：mm)螺紋尺寸下孔徑鑽頭直徑最小直徑最大直徑NO.2–56UNC2.292.392.33–482.642.742.74–402.953.073.05–403.253.383.36–323.663.813.78–324.324.474.410–245.055.215.112–245.615.775.71/4–206.636.786.75/16–88.338.488.43/8–169.9110.1110.07/16–1411.5111.7611.51/2–1313.0813.3413.19/16–1214.6814.9414.7美制細牙螺紋美制細牙螺紋美制細牙螺紋美制細牙螺紋(單位單位單位單位：：：：mm)螺紋尺寸下孔徑鑽頭直徑最小直徑最大直徑NO.4–48UNF2.973.053.06–403.663.783.78–364.324.444.410–324.985.135.01/4–286.536.716.65/16–248.208.388.23/8–249.789.969.87/16–2011.4311.6311.51/2–2013.0313.2613.19/16–1814.6614.8814.75/8–1816.2616.4816.33/4–1619.4319.6819.57/8–1422.6122.8622.71–1225.7626.0426.0各種換算表各種換算表各種換算表各種換算表山數節距換算表山數節距換算表山數節距換算表山數節距換算表山數(每25.4mm)節距mm1000.2540800.3175720.3528640.3969600.4233560.4536480.5292440.5773400.6350360.7056320.7938280.9071241.0583201.2700181.4111161.5875141.8143131.9538122.1167112.3091102.540092.822283.175073.628664.233355.080041/25.644446.350031/27.257131/47.815438.466727/88.834823/49.236425/89.676221/210.1600切削速度與切削液切削速度與切削液切削速度與切削液切削速度與切削液加工材料切削速度（m/min）切削液直槽絲攻螺旋絲攻先端絲攻鎢鋼絲攻無屑絲攻高速同步絲攻管用絲攻油性水溶性(乳化液)半乾式乾式低碳素鋼C0.25％以下8~138~1315~25－8~1327~323~6◎○△△中碳素鋼C0.25～0.45％7~127~1210~15－7~1027~323~6◎○△△高碳素鋼C0.45％以上6~96~98~13－5~822~272~5◎○△△合金鋼SCM7~127~1210~15－5~822~272~5◎△△△調質鋼25～45HRC3~5(4~8)3~5(4~8)4~6(6~10)－－－2~5◎△－－不銹鋼SUS4~75~88~13－5~10－3~6◎○－－不銹鋼SUS630SUS6313~53~54~6－－－2~5◎－－－工具鋼SKD6~96~97~10－－－2~5◎－－－鑄鋼SC6~116~1110~15－－17~222~5◎○－－鑄鐵FC10~15－－10~20－－2~5◎○○○球鑄鐵FCD7~127~1210~2010~20－－4~8◎○○－銅Cu6~96~117~1210~207~1227~322~5○○－－黃銅‧黃銅鑄件Bs‧BsC10~1510~2015~2515~257~1227~325~10○○○○青銅‧青銅鑄件PB‧PBC6~116~1110~2010~207~12－6~11○○－－變形鋁合金AL10~2010~2010~25－10~20100~3005~10◎○△－鋁合金鑄件AC‧ADC10~1510~1515~2010~2010~1580~30010~15◎○△－鎂合金MC7~127~1210~1510~20－－10~15◎○○－鋅鑄件ZDC7~127~1210~1510~207~1227~10010~15◎○△－熱硬塑料ThermoSettingPlastic10~20－－15~25－－5~10－○○○熱可塑性塑料ThermoPlastic10~2010~1510~2010~20－27~325~10－○○○◎最適○適用△可使用－不可使用螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表螺紋下孔徑表公制粗牙螺紋公制粗牙螺紋公制粗牙螺紋公制粗牙螺紋JISB0209-1982(單位單位單位單位：：：：mm)螺紋尺寸鑽頭直徑崁合度區分：中(注1)2級(注2)下孔徑崁合度區分：中(註1)2級(註2)內螺紋小徑最小直徑最大直徑M1×0.250.750.78(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%)1.4211.5212×0.41.61.65(80%)1.5671.6792.2×0.451.751.83(75%)1.7131.8382.5×0.452.12.13(75%)2.0132.1383×0.52.52.59(75%)2.4592.5993.5×0.62.93.01(75%)2.8503.0104×0.73.33.39(80%)3.2423.4224.5×0.753.83.85(80%)3.6883.8785×0.84.24.31(80%)4.1344.3346×155.13(80%)4.9175.1537×166.13(80%)5.9176.1538×1.256.86.85(85%)6.6476.9129×1.257.87.85(85%)7.6477.91210×1.58.58.62(85%)8.3768.67611×1.59.59.62(85%)9.3769.67612×1.7510.310.40(85%)10.10610.44114×21212.2(85%)11.83512.21016×21414.2(85%)13.83514.21018×2.515.515.7(85%)15.29415.74420×2.517.517.7(85%)17.29417.74422×2.519.519.2(85%)19.29419.74424×32121.2(85%)20.75221.25227×32424.2(85%)23.75224.25230×3.526.526.6(90%)26.21126.77133×3.529.529.6(90%)29.21129.77136×43232.1(90%)31.67032.27039×43535.1(90%)34.67035.27042×4.537.537.6(90%)37.12937.79945×4.540.540.6(90%)40.12940.79948×54343.1(90%)42.58743.297註(1)M1.4以下等級：5H、M1.6以上等級：6H(2)基於JISB0209-1982標準