常用管螺紋底孔及深度對(duì)照表

1、錐錐管管螺螺紋紋鉆鉆底底孔孔直直徑徑及及檢檢驗(yàn)驗(yàn)方方法法RC螺紋深度檢驗(yàn)用具螺紋深度檢驗(yàn)用具鉆孔直徑1/87管接頭12堵頭8.21/410管接頭14堵頭113/811管接頭15堵頭14.51/214管接頭18堵頭183/415管接頭20堵頭23118管接頭25堵頭291+1/420管接頭30堵頭381+1/222管接頭32堵頭44225管接頭35堵頭55錐錐管管螺螺紋紋鉆鉆底底孔孔直直徑徑及及檢檢驗(yàn)驗(yàn)方方法法NPT螺紋深度檢驗(yàn)用具螺紋深度檢驗(yàn)用具鉆孔直徑1/87管接頭12堵頭8.51/410管接頭14堵頭113/811管接頭15堵頭14.51/214管接頭18堵頭183/415管接頭20堵頭2

2、3118管接頭25堵頭291+1/420管接頭30堵頭381+1/222管接頭32堵頭44225管接頭35堵頭56要要求求：堵堵頭頭孔孔要要求求堵堵頭頭擰擰緊緊后后端端面面低低于于外外平平面面1mm1mm左左右右；管管接接頭頭孔孔要要求求管管接接頭頭擰擰緊緊后后有有2-32-3牙牙路路在在外外面面；螺螺絲絲攻攻牙牙鉆鉆孔孔徑徑和和滾滾造造徑徑對(duì)對(duì)照照表表公制迫牙絲攻鉆孔徑美制迫牙絲攻鉆孔徑規(guī)格精度等級(jí)規(guī)格精度等級(jí)G4-G6G7-G8G9G4-G6G7-G8G9M1.00.250.860.88NO.2-56UNC1.94M1.10.250.960.98NO.3-482.23M1.20.251.0

3、61.08NO.4-402.50M1.40.31.241.25NO.5-402.83M1.60.351.411.43NO.6-323.07M1.70.351.511.53NO.8-323.733.77M1.80.351.611.63NO.10-244.244.3M2.00.41.781.80NO.12-244.904.96M2.20.451.951.981/4-205.72M2.30.42.082.105/16-187.24M2.50.452.252.283/8-168.748.81M2.60.452.352.387/16-1410.2010.30M3.00.52.732.751/2-1311

4、.2711.82M3.50.63.173.20NO.2-64UNF1.97M4.00.73.623.653.69NO.3-562.27M5.00.84.564.604.64NO.4-482.56M6.01.05.455.505.55NO.5-442.86M7.01.06.456.506.55NO.6-403.16M8.01.257.317.387.44NO.8-363.78M101.59.189.259.32NO.10-324.394.43M101.259.319.389.44NO.12-284.995.04M121.7511.0411.1211.211/4-285.855.90M121.25

5、11.3111.3811.445/16-247.367.413/8-249.007/16-2010.4810.541/2-2012.0712.13美制特細(xì)螺紋英制電器螺紋規(guī)格(UNEF)標(biāo)準(zhǔn)徑2級(jí)牙鉆孔徑規(guī)格鉆孔徑最大最小NO.12-324.704.8264.6232BA4.0-4.21/4 -325.605.6905.4863BA5/16 -327.107.2647.0874BA3.0-3.23/8 -328.708.8658.6615BA2.7-2.87/16 -2810.2010.33810.1356BA2.4-2.51/2 -2811.8011.93811.7099/16 -2413.

6、2013.38613.1325/8 -2414.8014.98614.7323/4 -2017.8017.95817.6787/8 -2021.0021.13320.8531 -2024.0024.30824.028螺螺絲絲攻攻牙牙鉆鉆孔孔徑徑和和滾滾造造徑徑對(duì)對(duì)照照表表英制管螺紋英制管螺紋美制管螺紋規(guī)格G標(biāo)準(zhǔn)徑鉆孔徑規(guī)格Rc ZG標(biāo)準(zhǔn)徑有交牙部之長(zhǎng)度（最?。┲兄懵菅纼?nèi)徑標(biāo)準(zhǔn)長(zhǎng)度（最?。┲兄懵菅纼?nèi)徑規(guī)格鉆孔徑最大最小使用紋刀時(shí)不用紋刀時(shí)NPT ZNPS使用絞刀時(shí)不用絞刀時(shí)PS 1/16 - 286.506.6326.490PT 1/16 - 286.106.206.2446.3841/16

7、 - 276.106.256.35PS 1/8 - 288.508.6378.495PT 1/8 - 288.108.208.2498.3881/8 - 278.338.438.74PS 1/4 - 1911.4011.54911.341PT 1/4 - 1910.7011.0010.96211.1741/4 - 1810.7211.1311.13PS 3/8 - 1915.0015.05414.846PT 3/8 - 1914.2014.5014.44814.6583/8 - 1814.2714.2714.68PS 1/2 - 1418.5018.77318.489PT 1/2 - 1417

8、.6018.0017.97918.2631/2 - 1417.4817.8618.26PS 3/4 -1424.0024.25923.975PT 3/4 - 1423.0023.5023.37823.6633/4 - 1422.6323.0123.42PS 1 - 1130.2030.47130.111PT 1- 1129.0029.5029.45929.8221 - 11-1/228.5828.9829.36PS 1-1/4 - 1138.8039.13238.772PT 1-1/4 - 1137.5038.0037.97638.3391-1/4-11-1/237.3137.6938.10P

9、S 1-1/2 - 1144.8045.02544.665PT 1-1/2 - 1143.4044.0043.86944.2321-1/2-11-1/243.6644.0444.45PS 2 - 1156.5056.83656.476PT 2 - 1154.9055.5055.41255.8442 - 11 - 1/255.5855.9656.36螺螺絲絲攻攻牙牙鉆鉆孔孔徑徑和和滾滾造造徑徑對(duì)對(duì)照照表表英制螺紋公制螺紋針車(chē)用螺紋規(guī)格(UNEF)鉆孔徑規(guī)格滾造徑規(guī)格滾造徑硬材軟材W 1/8 - 402.652.60M30.52.63-2.60SM1/8-402.735-2.688W 5/32 -

10、 323.253.20M3.00.62.56-2.53SM1/8-442.769-2.722W 3/16 - 243.753.70M3.50.63.06-3.03SM9/64-403.128-3.083W 1/4 - 205.105.00M4.00.73.49-3.45SM11/64-403.855-3.805W 5/16 - 186.606.50M4.00.753.45-3.41SM3/16-324.205-4.155W 3/8 - 168.007.90M4.50.753.96-3.92SM3/16-284.143-4.093W 7/16 - 149.409.30M5.00.84.43-4.38SM7/32-325.003-4.955W 1/2 - 1210.7010.50M5.00.94.36-4.31SM15/64-285.325-5.570W 9/16 - 1212.3012.00M6.01.05.30-5.25SM1/4-405.890-5.735W 5/8 - 1113.7013.50M7.01.06.30-6.25SM1/4-285.721-5.366W 3/4 - 1016.7016.50M8.01.07.28-7.23SM9/32-286.508-6.648W 7/8 - 919.5019.30M8.01.257.12-7.07SM11/32-288.0