攻絲底孔參數(shù)

攻絲底孔的使用參數(shù)表一、螺^下孔彳英表、1、公制粗牙螺^JISB0209-1982(罩位：mm)螺紋尺寸鉆頭直徑螺紋下孔彳英內(nèi)螺^小彳堡最小直徑最大直徑M1X0.250.750.78(80%)0.7290.7851.1X0.250.850.88(80%)0.8290.8851.2X0.250.950.98(80%)0.9290.9851.4X0.31.11.14(80%)1.0751.1421.6X0.351.251.32(75%)1.2211.3211.8X0.351.451.52(75%)1.4211.5212X0.41.61.65(80%)1.5671.6792.2X0.451.751.83(75%)1.7131.8382.5X0.452.12.13(75%)2.0132.1383X0.52.52.59(75%)2.4592.5993.5X0.62.93.01(75%)2.8503.0104X0.73.33.39(80%)3.2423.4224.5X0.753.83.85(80%)3.6883.8785X0.84.24.31(80%)4.1344.3346X155.13(80%)4.9175.1537X166.13(80%)5.9176.1538X1.256.86.85(85%)6.6476.9129X1.257.87.85(85%)7.6477.91210X1.58.58.62(85%)8.3768.67611X1.59.59.62(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%)15.29415.74420X2.517.517.7(85%)17.29417.74422X2.519.519.2(85%)19.29419.74424X32121.2(85%)20.75221.25227X32424.2(85%)23.75224.25230X3.526.526.6(90%)26.21126.77133X3.529.529.6(90%)29.21129.77136X43232.1(90%)31.67032.27039X43535.1(90%)34.67035.27042X4.537.537.6(90%)37.12937.79945X4.540.540.6(90%)40.12940.79948X54343.1(90%)42.58743.297三主(1)M1.4以下等級(jí)：5H、M1.6以上等級(jí)：6H(2)基於JISB0209-1982檄型螺紋尺寸鉆頭直徑螺紋下孔彳英內(nèi)螺^小彳堡最小直徑最大直徑M2.5X0.352.22.22(75%)2.1212.2213X0.352.72.72(75%)2.6212.7213.5X0.353.23.22(75%)3.1213.2212、公制太田牙螺^-01JISB0211-1982(罩位：mm)

4X0.53.53.59(75%)3.4593.5994.5X0.544.09(75%)3.9594.0995X0.54.54.59(75%)4.4594.5995.5X0.555.09(75%)4.9595.0996X0.755.35.35(80%)5.1885.3787X0.756.36.35(80%)6.1886.3788X177.13(80%)6.9177.1538X0.757.37.35(80%)7.1887.3789X188.13(80%)7.9178.1539X0.758.38.35(80%)8.1888.37810X1.258.88.85(85%)8.6478.91210X199.13(80%)8.9179.15310X0.759.39.35(80%)9.1889.37811X11010.13(80%)9.91710.15311X0.7510.310.35(80%)10.18810.37812X1.510.510.62(85%)10.37610.67612X1.2510.810.85(85%)10.64710.91212X11111.13(80%)10.91711.15314X1.512.512.62(85%)12.37612.67614X11313.13(80%)12.91713.15315X1.513.513.62(85%)13.37613.67615X11414.13(80%)13.91714.15316X1.514.514.62(85%)14.37614.67616X11515.13(80%)14.91715.15317X1.515.515.62(85%)15.37615.67617X11616.13(80%)15.91716.15318X21616.2(85%)15.83516.21018X1.516.516.62(85%)16.37616.67618X11717.13(80%)16.91717.15320X21818.2(85%)17.83518.21020X1.518.518.62(85%)18.37618.67620X11919.13(80%)18.91719.15322X22020.2(85%)19.83520.21022X1.520.520.62(85%)20.37620.67622X12121.13(80%)20.91721.15324X22222.2(85%)21.83522.21024X1.522.522.62(85%)22.37622.67624X12323.13(80%)22.91723.15325X22323.2(85%)22.83523.21025X1.523.523.62(85%)23.37623.67625X12424.13(80%)23.91724.153M26X1.524.524.62(85%)24.37624.67627X22525.2(85%)24.83525.21027X1.525.525.62(85%)25.37625.67627X12626.13(80%)25.91726.15328X22626.2(85%)25.83526.21028X1.526.526.62(85%)26.37626.67628X12727.13(80%)26.91727.15330X32727.2(85%)26.75227.25230X22828.2(85%)27.83528.210

30X1.528.528.62(85%)28.37628.67630X12929.13(80%)28.91729.15332X23030.2(85%)29.83530.21032X1.530.530.62(85%)30.37630.67633X33030.2(85%)29.75230.25233X23131.2(85%)30.83531.21033X1.531.531.62(85%)31.37631.67635X1.533.533.62(85%)33.37633.67636X33333.2(85%)32.75233.25236X23434.2(85%)33.83534.21036X1.534.534.62(85%)34.37634.67638X1.536.536.62(85%)36.37636.67639X33636.2(85%)35.75236.25239X23737.2(85%)36.83537.21039X1.537.537.62(85%)37.37637.67640X33737.2(85%)36.75237.25240X23838.2(85%)37.83538.21040X1.538.538.62(85%)38.37638.67642X43838.1(90%)37.67038.27042X33939.2(85%)38.75239.25242X24040.2(85%)39.83540.21042X1.540.540.62(85%)40.37640.67645X44141.1(90%)40.67041.27045X34242.2(85%)41.75242.25245X24343.2(85%)42.83543.21045X1.543.543.62(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%)48.37648.676注(1)等級(jí)：6H(2)基於JISB0211-1982檄型3、美制粗牙螺^（罩位：mm）螺紋尺寸鉆頭直徑2B級(jí)螺紋下孔彳英內(nèi)螺^小彳堡最小直徑最大直徑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%)7.7988.153

7/16-149.49.50(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%)44.67945.5934、美制太田牙螺^（罩位：mm）螺紋尺寸鉆頭直徑2B級(jí)螺紋下孔彳英內(nèi)螺^小彳堡最小直徑最大直徑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%)35.81436.2715、英制粗牙螺^即位：mm）螺^尺寸下孑L彳堡嵌合率A列（硬材W）B列（軟材勤A列直彳第B列直彳第內(nèi)螺^最小彳英內(nèi)螺^最大彳英W1/82.62.570.783.070.088.33/163.73.678.485.870.088.31/45.15.076.983.070.588.35/166.66.574.099.570.188.43/88.07.975.080.069.588.27/169.49.373.780.069.088.81/210.710.573.881.269.088.29/1612.312.073.484.469.088.25/813.713.573.580.369.688.53/416.716.572.378.469.688.37/819.519.375.480.970.188.4122.422.073.883.671.088.211/825.024.876.981.372.088.411/428.328.074.380.772.088.413/830.530.381.685.373.888.611/233.833.579.384.873.888.615/836.035.781.185.774.888.313/439.239.080.783.874.888.317/841.841.580.684.774.788.4245.044.780.284.474.788.46、英制管用螺^(聆立：mm)管用螺^尺JISB0203JISB2301寸金隹管內(nèi)螺^Rc(PT)平行內(nèi)螺^Rp(PS)金隹管內(nèi)螺^言十算值下孔彳英言十算值下孔彳英言十算值下孔彳英1/166.2306.26.4906.51/88.2358.28.4958.58.1918.21/410.94110.911.34111.410.94510.93/814.42814.414.84614.914.38814.41/217.9501818.48918.517.943183/423.3492323.9752423.30523129.4232930.1113029.3532911/437.9403838.7723937.8903811/243.8334444.5654543.72043255.4125556.4765655.4065521/270.7017172.0097270.78870383.2018384.7098583.3648331/295.5479697.1559795.747954107.834108109.855110108.3221085133.110133135.255135133.5971336158.510159160.655161158.8101587183.360183185.9541868208.560209211.3542129233.960234236.75423710259.166259262747310312.8753137、美制管用耐密斜行螺^(NPTRNPSF)(罩位：mm)管用螺^尺寸斜行螺,^(NPTF)平行螺,^(NPSF)謝^直彳生蹈真直彳生使用金交刀埸合不使用金交刀埸合1/160.234(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^豆^直彳第來(lái)源於美制管用耐密斜行螺^ANSIB1.20.3—1957DrysealPipeThreads（Inch）檄型8、公制螺^（NRT）（罩位：mm）螺^尺寸1級(jí)螺^用下孔彳2級(jí)螺^用下孔彳RH最小?最大RH最小?最大精度（嵌合率%）精度（嵌合率%）M1X0.2520.87~0.89(100~85)40.90~0.92(100~80)1.1X0.2520.97~0.99(100~85)41.00~1.02(100~80)1.2X0.2521.07~1.09(100~85)41.10~1.12(100~80)1.4X0.321.244~1.263(100~85)41.270~1.294(100~80)1.7X0.3521.51~1.54(100~80)41.54~1.58(100~75)2X0.421.78~1.82(100~80)41.81~1.85(100~75)2.3X0.422.08~2.12(100~80)42.11~2.15(100~75)2.5X0.4522.25~2.29(100~80)42.28~2.33(100~75)2.6X0.4522.35~2.39(100~80)42.38~2.43(100~75)3X0.532.74~2.78(100~80)52.76~2.81(100~75)3.5X0.633.18~3.21(100~85)53.20~3.26(100~75)4X0.743.63~3.67(100~85)63.65~3.70(100~85)5X0.844.57~4.62(100~85)64.59~4.66(100~80)6X145.45~5.51(100~85)75.48~5.57(100~80)7X146.45~6.51(100~85)76.48~6.57(100~80)8X1.2557.31~7.38(100~85)77.34~7.41(100~85)8X147.45~7.51(100~85)77.48~7.57(100~80)10X1.559.16~9.22(100~90)79.18~9.28(100~85)10X1.2559.31~9.38(100~85)79.34~9.41(100~85)10X159.46~9.52(100~85)79.48~9.57(100~80)12X1.75511.01~11.08(100~90)811.05~11.15(100~85)12X1.5511.16~11.22(100~90)711.18~11.28(100~85)12X1.25511.31~11.38(100~85)711.34~11.41(100~85)12X1511.46~11.52(100~85)711.48~11.57(100~80)14X2612.83~12.95(100~90)1012.92~13.04(100~85)14X1.5513.16~13.22(100~90)913.21~13.30(100~85)16X2614.87~14.95(100~90)1014.92~15.04(100~85)16X1.5515.16~15.22(100~90)915.21~15.30(100~80)18X2.5616.57~16.67(100~90)1116.63~16.78(100~85)18X1.5617.17~17.23(100~90)1017.22~17.31(100~85)20X2.5618.57~18.67(100~90)1118.63~18.78(100~85)20X1.5619.17~19.23(100~90)1019.22~19.31(100~85)9、美制粗牙螺^（NRT）（罩位：mm）螺^尺寸2B級(jí)螺^用下孔彳3B級(jí)螺^用下孔彳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)二、螺^下孔彳英表（輾屑女系攻用）1、美制細(xì)牙螺，^（NRT）（罩位：mm）螺^尺寸2B級(jí)螺^用下孔彳英3B級(jí)螺^用下孔彳英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)2、英制管用平行螺,^（NRT）（罩位：mm）螺^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)3、公制螺,^（HRT）（罩位：mm）螺^尺寸1級(jí)螺^用下孔彳英2級(jí)螺^用下孔彳英RH精度最小?最大（嵌合率%）RH精度最小?最大（嵌合率%）M1X0.2520.858~0.879(100~85)40.858~0.887(100~80)1.2X0.2521.058~1.079(100~85)41.058~1.087(100~80)1.4X0.321.23~1.26(100~85)41.23~1.26(100~80)1.6X0.3521.40~1.44(100~80)41.40~1.45(100~75)1.7X0.351.50~1.54(100~80)41.50~1.55(100~75)

1.8X0.3521.60~1.64(100~80)41.60~1.65(100~75)2X0.421.77~1.82(100~80)41.77~1.82(100~80)2X0.2521.858~1.887(100~80)1.858~1.887(100~80)2.3X0.42.07~2.12(100~80)42.07~2.13(100~75)2.5X0.4532.24~2.30(100~80)52.24~2.31(100~75)2.6X0.452.34~2.40(100~80)52.34~2.41(100~75)3X0.632.72~2.73(100~90)52.66~2.73(100~90)3X0.552.72~2.77(100~80)62.72~2.78(100~75)3X0.3532.80~2.84(100~80)52.80~2.85(100~75)3.5X0.633.16~3.21(100~85)53.16~3.25(100~75)4X0.7533.57~3.64(100~85)63.57~3.64(100~85)4X0.763.60~3.66(100~85)73.60~3.66(100~85)4X0.533.71~3.77(100~80)63.71~3.79(100~75)5X0.934.49~4.59(100~85)74.49~4.59(100~85)5X0.834.55~4.62(100~85)84.55~4.64(100~80)5X0.532.72~4.77(100~80)64.72~4.79(100~75)6X145.43~5.52(100~85)75.43~5.55(100~80)6X0.7535.57~5.64(100~85)75.57~5.66(100~80)4、公制粗牙螺^HL-NRT（罩位：mm）螺^尺寸RH精度最小?最大（嵌合率%）M3X0.533.39~3.43(100~80)4X0.744.54~4.58(100~85)5X0.845.61~5.66(100~85)6X146.75~6.81(100~85)8X1.2558.93~9.01(100~85)10X1.5511.11~11.17(100~90)10X1.25510.93~11.01(100~85)12X1.75513.28~13.17(100~90)12X1.5513.11~13.17(100~90)12X1.25512.93~13.01(100~85)三、螺^下孔彳英表（^套螺^用）1、公制粗牙螺^（罩位：mm）螺^尺寸下孑L彳堡^^直彳堡最小直彳第最大直彳至M2.5X0.452.602.652.62.6X0.452.702.752.73X0.53.123.203.14X0.74.174.304.25X0.85.165.335.26X16.256.426.38X1.258.318.528.410X1.510.3710.6210.512X1.7512.4312.7312.514X214.4914.8314.516X216.4916.8316.518X2.518.5819.0419.020X2.520.5821.0421.022X2.522.5823.0423.0

24X2.524.7025.2525.02、公制細(xì)牙螺^（罩位：mm）螺^尺寸下孔彳英^^直彳堡最小直彳第最大直彳至M10X110.2510.4210.310X1.2510.3110.5210.412X1.2512.3112.5212.512X1.512.3712.6212.514X1.514.3714.6214.516X1.516.3716.6216.518X1.518.3718.6218.520X1.520.3720.6220.520X220.4720.8320.522X1.522.3722.6222.524X1.524.3724.6224.524X224.4724.8324.530X1.530.3730.6230.53、美制粗牙螺^（罩位：mm）螺取尺寸下:孔彳英^^直彳堡最小直彳第最大直彳至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.