《攻絲底孔參數(shù)》由會(huì)員分享，可在線閱讀，更多相關(guān)《攻絲底孔參數(shù)（11頁(yè)珍藏版）》請(qǐng)?jiān)谘b配圖網(wǎng)上搜索。

1、攻絲底孔的使用參數(shù)表一、螺紋下孔徑表1、公制粗牙螺紋 JIS B 0209-1982(單位：mm)螺紋尺寸鉆頭直徑螺紋下孔徑內(nèi)螺紋小徑最小直徑最大直徑M 1 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 0.4

2、51.751.83 (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%)7.6

3、477.91210 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%)23.75

4、224.25230 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(jí)：5H、M1.6以上等級(jí)：6H (2)基於JIS B 0209-1982標(biāo)準(zhǔn)2、公制細(xì)牙螺紋-01 JIS B 0211-1982(單位

5、：mm)螺紋尺寸鉆頭直徑螺紋下孔徑內(nèi)螺紋小徑最小直徑最大直徑M 2.5 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 177.1

6、3 (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%

7、)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

8、 (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

9、.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%)23.91724.153M 26 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 1.52

10、6.526.62 (85%)26.37626.67628 12727.13 (80%)26.91727.15330 3 2727.2 (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.

11、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 2

12、3838.2 (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.

13、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(jí)：6H(2)基於JIS B 0211-1982標(biāo)準(zhǔn)3、美制粗牙螺紋 (單位：mm)螺紋尺寸鉆頭直徑2B級(jí)螺紋下孔徑內(nèi)螺紋小徑最小直徑最大直徑NO.1 -64UNC1.551.57 (65%)1

14、.4251.582 2 -561.81.86 (65%)1.6951.8713 -482.12.14 (65%)1.9412.1464 -402.32.36 (70%)2.1572.385 5 -402.62.69 (70%)2.4872.697 6 -322.82.86 (75%)2.6422.895 8 -323.43.52 (75%)3.3023.530 10 -243.93.91 (80%)3.6833.962 12 -244.54.57 (80%)4.3444.5971/4 -205.15.25 (80%)4.9795.2575/16 -186.66.72 (80%)6.4016.7

15、31 3/8 -1688.15 (80%)7.7988.1537/16 -149.49.50 (80%)9.1449.550 1/2 -1310.811.0 (80%)10.59211.023 9/16 -1212.212.3 (85%)11.98912.446 5/8 -1113.613.8 (85%)13.38613.868 3/4 -1016.516.8 (80%)16.30716.840 7/8 - 919.519.6 (85%)19.17719.7611 - 822.222.5 (85%)21.97122.606 1 1/8 - 72525.2 (85%)24.63825.349 1

16、 1/4 - 728.228.4 (85%)27.81328.524 1 3/8 - 630.831.0 (85%)30.35331.115 1 1/2 - 63434.2 (85%)33.52834.290 1 3/4 - 539.539.8 (85%)38.96439.827 2 - 4 45.245.3 (90%)44.67945.593 4、美制細(xì)牙螺紋 (單位：mm)螺紋尺寸鉆頭直徑2B級(jí)螺紋下孔徑內(nèi)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 (6

17、5%)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%)8.3828.6

18、367/16 -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%)23.11423.5711 1/8 -1226.526.7 (80%)26.28926.7461 1/4 -1229.529.9 (80%)29.464

19、29.9211 3/8 -1232.833.0 (85%)32.63933.0961 1/2 -123636.2 (85%)35.81436.271 5、英制粗牙螺紋 (單位：mm) 螺紋尺寸下 孔 徑嵌 合 率A列(硬材質(zhì))B列(軟材質(zhì))A列直徑B列直徑內(nèi)螺紋最小徑內(nèi)螺紋最大徑W 1/82.62.570.783.070.088.33/163.73.678.485.870.088.31/45.15.076.983.070.588.35/166.66.574.099.570.188.43/88.07.975.080.069.588.27/169.49.373.780.069.088.81/210

20、.710.573.881.269.088.29/1612.312.073.484.469.088.25/813.713.573.580.369.688.53/416.716.572.378.469.688.37/819.519.375.480.970.188.4122.422.073.883.671.088.21 1/825.024.876.981.372.088.41 1/428.328.074.380.772.088.41 3/830.530.381.685.373.888.61 1/233.833.579.384.873.888.61 5/836.035.781.185.774.888.

21、31 3/439.239.080.783.874.888.31 7/841.841.580.684.774.788.4245.044.780.284.474.788.46、英制管用螺紋 (單位：mm) 管用螺紋尺寸JIS B 0203JIS B 2301錐管內(nèi)螺紋Rc(PT)平行內(nèi)螺紋Rp(PS)錐管內(nèi)螺紋計(jì) 算 值下 孔 徑計(jì) 算 值下 孔 徑計(jì) 算 值下 孔 徑1/166.2306.26.4906.51/88.2358.28.4958.58.1918.21/410.94110.911.34111.410.94510.93/814.42814.414.84614.914.38814.41/2

22、17.9501818.48918.517.943183/423.3492323.9752423.30523129.4232930.1113029.353291 1/437.9403838.7723937.890381 1/243.8334444.5654543.72043255.4125556.4765655.406552 1/270.7017172.0097270.78870383.2018384.7098583.364833 1/295.5479697.1559795.747954107.834108109.855110108.3221085133.110133135.255135133.

23、5971336158.510159160.655161158.8101587183.360183185.9541868208.560209211.3542129233.960234236.75423710259.166259262.15426212309.747310312.8753137、美制管用耐密斜行螺紋(NPTFNPSF) (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(chǎng)合不使用鉸刀場(chǎng)合1/160.234 ( 5.94) 0.246 ( 6.25)1/40.250 ( 6.35)1/821/640.328 ( 8.33) 0.339 (

24、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)11 1/81.125 (28.58)1 5/321.156 (29.36)1 5/321.156 (29.36)1 1

25、/41 15/321.469 (37.31)1 1/21.500 (38.10)1 1/21 45/641.703 (43.26)1 47/641.734 (44.04)22 3/162.188 (55.58)2 7/322.219 (56.36)2 1/22 19/322.594 (65.89)2 41/642.641 (67.08)上述鑽頭直徑來(lái)源於美制管用耐密斜行螺紋ANSI B1.20.31957 Dryseal Pipe Threads (Inch)標(biāo)準(zhǔn)8、公制螺紋(NRT) (單位：mm)螺紋尺寸1級(jí)螺紋用下孔徑2級(jí)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)M

26、 1 0.2520.87 0.89 (10085)40.90 0.92 (10080)1.10.2520.97 0.99 (10085)41.00 1.02 (10080)1.20.2521.07 1.09 (10085)41.10 1.12 (10080)1.40.321.244 1.263 (10085)41.270 1.294 (10080)1.70.3521.51 1.54 (10080)41.54 1.58 (10075)2 0.421.78 1.82 (10080)41.81 1.85 (10075)2.30.422.08 2.12 (10080)42.11 2.15 (10075

27、)2.50.4522.25 2.29 (10080)42.28 2.33 (10075)2.60.4522.35 2.39 (10080)42.38 2.43 (10075)3 0.532.74 2.78 (10080)52.76 2.81 (10075)3.50.633.18 3.21 (10085)53.20 3.26 (10075)4 0.743.63 3.67 (10085)63.65 3.70 (10085)5 0.844.57 4.62 (10085)64.59 4.66 (10080)6 145.45 5.51 (10085)75.48 5.57 (10080)7 146.45

28、6.51 (10085)76.48 6.57 (10080)8 1.2557.31 7.38 (10085)77.34 7.41 (10085)8 147.45 7.51 (10085)77.48 7.57 (10080)10 1.559.16 9.22 (10090)79.18 9.28 (10085)10 1.2559.31 9.38 (10085)79.34 9.41 (10085)10 159.46 9.52 (10085)79.48 9.57 (10080)12 1.75511.01 11.08 (10090)811.05 11.15 (10085)12 1.5511.16 11.2

29、2 (10090)711.18 11.28 (10085)12 1.25511.31 11.38 (10085)711.34 11.41 (10085)12 1511.46 11.52 (10085)711.48 11.57 (10080)14 2612.83 12.95 (10090)1012.92 13.04 (10085)14 1.5513.16 13.22 (10090)913.21 13.30 (10085)16 2614.87 14.95 (10090)1014.92 15.04 (10085)16 1.5515.16 15.22 (10090)915.21 15.30 (1008

30、0)18 2.5616.57 16.67 (10090)1116.63 16.78 (10085)18 1.5617.17 17.23 (10090)1017.22 17.31 (10085)20 2.5618.57 18.67 (10090)1118.63 18.78 (10085)20 1.5619.17 19.23 (10090)1019.22 19.31 (10085) 9、美制粗牙螺紋(NRT) (單位：mm)螺紋尺寸2B級(jí)螺紋用下孔徑3B級(jí)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 (10065)31.95 2.0

31、1 (10065)3-4842.25 2.32 (10065)32.23 2.31 (10065)4-4052.52 2.60 (10070)32.50 2.58 (10070)5-4052.86 2.93 (10070)32.83 2.91 (10070)6-3253.09 3.17 (10075)33.06 3.14 (10075)8-3263.75 3.83 (10075)43.74 3.82 (10075)10-2464.26 4.35 (10080)44.24 4.32 (10080)12-2464.92 5.01 (10080)44.90 4.96 (10085)1/4 -2065

32、.66 5.76 (10080)45.64 5.74 (10080)5/16 -1877.18 7.29 (10080)57.15 7.24 (10085)3/8 -1678.66 8.78 (10080)58.63 8.73 (10085)7/16 -14710.11 10.25 (10080)510.08 10.19 (10085)1/2 -13810.62 11.78 (10080)611.60 11.68 (10090)9/16 -121013.14 13.27 (10085)813.11 13.24 (10085)5/8 -111114.62 14.76 (10085)814.58

33、14.67 (10090)3/4 -101217.67 17.88 (10080)917.63 17.74 (10090)7/8 - 91220.68 20.85 (10085)920.64 20.75 (10090)1 - 81323.65 23.84 (10085)1023.61 23.74 (10090) 二、螺紋下孔徑表(無(wú)屑絲攻用) 1、美制細(xì)牙螺紋(NRT) (單位：mm)螺紋尺寸2B級(jí)螺紋用下孔徑3B級(jí)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 (10065)21.97 2.03 (10065)3-5642.29

34、 2.35 (10065)32.28 2.34 (10065)4-4842.57 2.64 (10070)32.56 2.63 (10070)5-4442.88 2.95 (10070)32.87 2.94 (10070)6-4053.19 3.26 (10070)33.16 3.22 (10075)8-3653.80 3.88 (10075)43.79 3.86 (10075)10-3254.41 4.48 (10080)44.40 4.46 (10080)12-2855.00 5.08 (10080)44.99 5.06 (10080)1/4 -2855.86 5.93 (10080)45

35、.85 5.92 (10080)5/16-2467.38 7.46 (10080)57.36 7.43 (10085)3/8 -2468.96 9.05 (10080)58.95 9.02 (10085)7/16-20710.44 10.54 (10080)510.41 10.49 (10085)1/2 -20712.02 12.12 (10080)512.00 12.05 (10090)9/16-18913.55 13.66 (10080)713.53 13.58 (10090)5/8 -18915.14 15.25 (10080)715.11 15.17 (10090)3/4 -16101

36、8.22 18.32 (10085)718.18 18.25 (10090)7/8 -141121.27 21.38 (10085)821.23 21.27 (10095)1 - 121224.28 24.41 (10085)924.24 24.32 (10090) 2、英制管用平行螺紋(NRT) (單位：mm)螺紋尺寸RH精 度最小最大(嵌合率)PF 1/869.24 9.35 (10080)1/4712.4112.62 (10075)3/8715.9216.12 (10075)1/2819.9320.15 (10080)3/4825.4125.64 (10080) 3、公制螺紋(HRT)

37、(單位：mm)螺紋尺寸1級(jí)螺紋用下孔徑2級(jí)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)M 1 0.2520.8580.879 (10085)40.8580.887 (10080)1.20.2521.0581.079 (10085)41.0581.087 (10080)1.40.321.23 1.26 (10085)41.23 1.26 (10080)1.60.3521.40 1.44 (10080)41.40 1.45 (10075)1.70.351.50 1.54 (10080)41.50 1.55 (10075)1.80.3521.60 1.64 (10080)41

38、.60 1.65 (10075)2 0.421.77 1.82 (10080)41.77 1.82 (10080)2 0.2521.8581.887 (10080)1.8581.887 (10080)2.30.42.07 2.12 (10080)42.07 2.13 (10075)2.50.4532.24 2.30 (10080)52.24 2.31 (10075)2.60.452.34 2.40 (10080)52.34 2.41 (10075)3 0.632.72 2.73 (10090)52.66 2.73 (10090)3 0.552.72 2.77 (10080)62.72 2.78

39、 (10075)3 0.3532.80 2.84 (10080)52.80 2.85 (10075)3.50.633.16 3.21 (10085)53.16 3.25 (10075)4 0.7533.57 3.64 (10085)63.57 3.64 (10085)4 0.763.60 3.66 (10085)73.60 3.66 (10085)4 0.533.71 3.77 (10080)63.71 3.79 (10075)5 0.934.49 4.59 (10085)74.49 4.59 (10085)5 0.834.55 4.62 (10085)84.55 4.64 (10080)5

40、0.532.72 4.77 (10080)64.72 4.79 (10075)6 145.43 5.52 (10085)75.43 5.55 (10080)6 0.7535.57 5.64 (10085)75.57 5.66 (10080) 4、公制粗牙螺紋 HL-NRT (單位：mm)螺 紋 尺 寸RH精 度最小最大(嵌合率)M 3 0.533.393.43 (10080)4 0.744.544.58 (10085)5 0.845.615.66 (10085)6 146.756.81 (10085)8 1.2558.939.01 (10085)10 1.5511.1111.17 (10090

41、)10 1.25510.9311.01 (10085)12 1.75513.2813.17 (10090)12 1.5513.1113.17 (10090)12 1.25512.9313.01 (10085) 三、螺紋下孔徑表(護(hù)套螺紋用)1、公制粗牙螺紋 (單位：mm)螺 紋 尺 寸下 孔 徑鑽 頭 直 徑最小直徑最大直徑M 2.5 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

42、.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 2、公制細(xì)牙螺紋 (單位：mm)螺 紋 尺 寸下 孔 徑鑽 頭 直 徑最小直徑最大直徑M 10 110.2510.4210.310 1.2510.3110.5210.412 1.2512.3112.5212.512 1.512.3712.6212.514 1.514.3714.6214.516 1.516.3716.6

43、216.518 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 3、美制粗牙螺紋 (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

44、 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 1214.6814.9414.74、美制細(xì)牙螺紋 (單位：mm)螺 紋 尺 寸下 孔 徑鉆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 2011.4

45、311.6311.51/2 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 表管用螺絲基準(zhǔn)寸法(mm)規(guī) 格英制JIS(PT)美式ASA(NPT)山 數(shù)外 徑有效徑山 數(shù)外 徑有效徑1/167.723277.777.1421/8289.7289.1472710.1169.4891/41913.15712.3011813.42712.4873/81916.66215.8061816.86615.9261/21420.95519.7931420.98019.7723/41426.44125.2791426.32625.11711133.24931.770111/233.93231.46111/41141.91040.431111/241.68940.21811/21147.80346.324111/247.68946.28721159.61458.135111/259.79658.32521/21175.18473.705872.27370.15931187.88486.405888.18286.06831/211100.33098