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螺纹孔径对照表

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60%100%

60%100%60%100%60%100%60%100%

M1×0.250.750.840.73M1×0.20.800.870.78W1/16-601.201.261.05Nr.1-641.501.601.42Nr.0-801.301.321.18

M1.1×0.250.850.940.83M1.1×0.20.900.970.88W3/32-481.801.971.70Nr.2-561.801.891.69Nr.1-721.601.621.47

M1.2×0.250.951.040.93M1.2×0.21.001.070.98W1/8-402.602.692.36Nr.3-482.102.171.94Nr.2-641.901.931.75

M1.4×0.31.101.211.08M1.4×0.21.201.271.18W5/32-323.103.362.95Nr.4-402.302.432.16Nr.3-562.102.222.02

M1.6×0.351.251.371.22M1.6×0.21.401.471.38W3/16-243.603.953.41Nr.5-402.602.762.49Nr.4-482.402.502.27

M1.7×0.351.351.471.32M1.8×0.21.601.671.58W7/32-244.504.744.20Nr.6-322.752.992.65Nr.5-442.702.802.55

M1.8×0.351.451.571.42M2×0.251.751.841.73W1/4-205.105.374.72Nr.8-323.503.653.31Nr.6-403.003.092.82

M2×0.41.601.741.57M2.2×0.251.952.071.93W5/16-186.506.856.13Nr.10-243.804.143.68Nr.8-363.503.713.40

M2.2×0.451.751.911.71M2.5×0.352.152.272.12W3/8-167.908.317.49Nr.12-244.504.804.34Nr.10-324.104.313.97

M2.3×0.41.902.041.87M3×0.352.652.772.62W7/16-149.309.728.791/4-205.105.534.98Nr.12-284.704.904.50

M2.5×0.452.052.212.01M3.5×0.353.153.273.12W1/2-1210.5011.079.995/16-186.507.026.411/4-285.505.765.37

M2.6×0.452.152.312.11M4×0.53.503.683.46W9/16-1212.0012.6611.583/8-167.908.497.815/16-246.907.256.79

M3×0.52.502.682.46M4.5×0.54.004.183.96W5/8-1113.5014.1012.927/16-149.309.939.153/8-248.508.848.38

M3×0.62.402.612.35M5×0.54.504.684.46W3/4-1016.5017.1015.801/2-1310.8011.4310.587/16-209.9010.299.74

M3.5×0.62.903.112.85M5.5×0.55.005.184.96W7/8-919.2520.0618.619/16-1212.2012.9112.001/2-2011.5011.8811.33

M4×0.73.303.553.24M6×0.55.505.685.46W1-822.0022.9621.335/8-1113.5014.3813.389/16-1812.9013.3712.76

M4×0.753.253.513.19M6×0.755.255.515.19W11/8-724.7525.7923.933/4-1016.5017.4016.305/8-1814.5014.9614.35M4.5×0.753.754.013.69M7×0.756.256.516.19W11/4-727.7528.9627.107/8-919.5020.3919.173/4-1617.5018.0217.33M5×0.84.204.484.13M8×0.757.257.517.19W13/8-630.2031.6729.501-822.2523.3421.967/8-1420.2521.0520.26

M5×0.94.104.704.66M8×1.07.007.356.92W11/2-633.5034.8532.6811/4-728.0029.3927.821-1223.2524.0323.11

M6×1.05.005.354.92M9×1.08.008.357.92W15/8-535.5037.3734.7713/8-631.0032.1830.3411/8-1226.5027.2026.28

M7×1.06.006.355.92M10×0.759.259.519.19W13/4-538.5040.5537.9411/2-634.5035.3533.5211/4-1229.5030.3829.46

M8×1.256.807.196.65M10×1.09.009.358.92W17/8-4.541.5043.2940.4013/4-539.0041.1538.9513/8-1232.5033.3532.63

M9×1.257.808.197.65M10×1.258.759.198.65W2-4.544.5046.4643.572-4.545.0047.1344.6911/2-1236.0036.7335.81

M10×1.58.509.038.38M11×1.010.0010.359.92

M11×1.59.5010.039.38M12×0.7511.2511.5111.19

M12×1.7510.2010.8610.11M12×1.011.0011.3510.92

M14×2.012.0012.7011.83M12×1.2510.7511.1910.65

M16×2.014.0014.7013.83M12×1.510.5011.0310.38

M18×2.515.5016.3815.29M14×1.013.0013.3512.9260%100%60%100%60%100%

M20×2.517.5018.3817.29M14×1.2512.7513.1912.65W1/16-601.401.421.32Nr.1-641.701.731.64Nr.0-801.401.421.35

M22×2.519.5020.3819.29M14×1.512.5013.0312.38W3/32-482.102.182.04Nr.2-562.002.041.94Nr.1-721.701.741.66

M24×3.021.0022.0520.75M15×1.014.0014.3513.92W1/8-402.852.932.77Nr.3-482.252.342.23Nr.2-642.002.061.97

M27×3.024.0025.0523.75M15×1.2513.7514.1913.65W5/32-323.553.663.46Nr.4-402.552.642.50Nr.3-562.302.372.27

M30×3.526.5027.7326.21M15×1.513.5014.0313.38W3/16-244.254.364.08Nr.5-402.902.972.83Nr.4-482.602.672.56

M33×3.529.5030.7329.21M16×1.015.0015.3514.92W7/32-245.055.154.88Nr.6-323.153.253.08Nr.5-442.902.992.86

M36×4.032.0033.4031.67M16×1.2514.7515.1914.65W1/4-205.755.865.54Nr.8-323.803.913.74Nr.6-403.203.303.16

M39×4.035.0036.4034.67M16×1.514.5015.0314.38W5/16-187.307.407.03Nr.10-244.354.484.25Nr.8-363.853.943.78

M42×4.537.5039.0837.13M18×1.017.0017.3516.92W3/8-168.808.928.51Nr.12-245.005.144.91Nr.10-324.454.574.40

M45×4.540.5042.0840.13M18×1.2516.7517.1916.65W7/16-1410.3010.429.951/4-205.755.945.66Nr.12-285.055.194.99

M48×5.043.0044.7542.59M18×1.516.5017.0316.38W1/2-1211.7511.8911.345/16-187.307.487.171/4-285.956.065.86

M52×5.047.0048.7546×59M18×2.016.0016.7015.833/8-168.809.018.675/16-247.407.597.36

M56×5.550.5052.4350.05M20×1.019.0019.3518.927/16-1410.3010.5210.133/8-249.009.188.95

M60×5.554.5056.4354.05M20×1.2518.7519.1918.651/2-1311.8012.0711.641/2-2012.1012.2912.01

M64×658.0060.1057.50M20×1.518.5019.0318.38

M68×662.0064.1061.50M20×2.018.0018.7017.83PT(Rc)PS(Rp)PF(G)

M72×666.0068.1065.50M22×1.021.0021.3520.92下孔径下孔径下孔径

M76×670.0072.1069.50M22×1.2520.7521.1920.651/16-286.306.506.70螺丝攻下孔径对照表

下孔径下孔径(%)下孔径下孔径(%)下孔径下孔径(%)美制粗牙(UNC)

下孔径下孔径(%)美制细牙(UNF)

下孔径下孔径(%)规格规格

英制管牙无屑丝攻美制粗牙(UNC)

针车牙(SM)英制粗牙(W)

下孔径下孔径(%)规格公制粗牙(M)

下孔径(%)下孔径规格公制细牙(M)

下孔径下孔径(%)

无屑丝攻英制粗牙(W)规格

英时/公 对照表无屑丝攻美制细牙(UNF)

规格

规格规格规格

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螺纹规格对照表word

螺纹规格对照表word

1 螺纹规格对照表

注(1)M1.4以下等级：5H、M1.6以上等级：6H(2)基于JISB0209-1982标准螺纹尺寸钻头直径崁合度区分：中(注。2级(注2)

下孔径崁合度区内螺纹蔦”2级*注2，

最小直径最大直径M1X0.250.750.78(80%)0.7290.7851.1>0.250.850.88(80%)0.8290.8851.2X.250.950.98(80%)0.9290.9851.4X.31.11.14(80%)1.0751.1421.6X.351.251.32(75%)1.2211.3211.8X.351.451.52(75%)1.4211.5212X0.41.61.65(80%)1.5671.6792.2X.451.751.83(75%)1.7131.8382.5X.452.12.13(75%)2.0132.1383X0.52.52.59(75%)2.4592.5993.5X.62.93.01(75%)2.8503.0104X0.73.33.39(80%)3.2423.4224.5X.753.83.85(80%)d3.6883.878「5X0.84.24.31(80%)4.1344.3346X155.13(80%)14.9175.15317X166.13(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%)15.29415.744—20X2.517.517.7(85%)17.29417.74422X2.519.519.2(85%)亍 2 19.29419.744:24X32121.2(85%)20.75221.25227X32424.2(85%)123.75224.25230X3.526.526.6(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螺纹底孔径公制粗牙螺纹JISB0209-1982(单位：mm)

标准螺纹下孔孔径表

标准螺纹下孔孔径表

标准螺纹下孔孔径表

公制牙粗螺纹（60°） 公制牙细螺纹（60°）

称呼 标准径 铜、铁 不锈钢、铝 称呼 标准径 铜、铁 不锈钢、铝

D1-上限 D1-下限 D1-上限 D1-下限 D1-上限 D1-下限 D1-上限 D1-下限

M1x0.25 0.75 0.8 0.76 0.83 0.79 M1x0.2 0.8 0.84 0.8 0.86 0.82

M1.1x0.25 0.85 0.9 0.86 0.93 0.89 M1.1x0.2 0.9 0.94 0.9 0.96 0.92

M1.2x0.25 0.95 1 0.96 1.03 0.99 M1.2x0.2 1 1.04 1 1.06 1.02

M1.4x0.3 1.1 1.16 1.11 1.19 1.14 M1.4x0.2 1.2 1.24 1.2 1.26 1.22

M1.6x0.35 1.25 1.34 1.29 1.37 1.32 M1.6x0.2 1.4 1.44 1.4 1.46 1.42

M1.7x0.35 1.35 1.44 1.39 1.47 1.42 *M1.7x0.2 1.45 1.52 1.48 1.54 1.5

M1.8x0.35 1.45 1.54 1.49 1.57 1.52 M1.8x0.2 1.6 1.64 1.6 1.66 1.62

M2x0.4 1.6 1.7 1.65 1.73 1.68 M2x0.25 1.75 1.81 1.77 1.83 1.79

M2.2x0.45 1.75 1.86 1.81 1.89 1.84 M2.2x0.25 1.95 2.01 1.97 2.03 1.99

M2.3x0.4 1.9 2 1.95 2.03 1.98 *M2.3x0.25 2.05 2.08 2.04 2.1 2.06

M2.5x0.45 2.1 2.16 2.11 2.19 2.14 M2.5x0.35 2.2 2.25 2.2 2.27 2.22

标准螺纹、锥螺纹、管螺纹对照表

标准螺纹、锥螺纹、管螺纹对照表

规格孔径规格孔径规格孔径规格孔径M43.3M18*1.516.5ZG1/166.5G1/166.56M54.2M2017.5ZG1/88.5G1/88.56M65M20*1.518.5ZG1/411.5G1/411.45M86.7M22*1.520.5ZG3/814.95G3/814.95M108.5M2421ZG1/218.6G1/218.6M1210.2M27*1.525.5ZG3/424.1G3/424.1M1412M27*225ZG130.3G130.3M14*1.512.5M30*1.528.5ZG11/438.95G11/438.95M1614M30*228ZG11/244.8G11/244.8M16*1.514.5M33*231ZG256.65G256.65M1815.5M42*40403/4-1617.57/8-1420.4标准螺纹底孔锥螺纹底孔管螺纹底纹

0820插孔螺纹1020插孔螺纹

最常用螺纹底孔对照表

最常用螺纹底孔对照表

.

'. 55°圆柱内螺纹（RP） 55°圆锥内螺纹（RC）

规格 钻孔直径 规格 钻孔直径

标准直径 最大 最小 标准直径 最大 最小

1/16 -28 6.5 6.632 6.49 1/16 -28 6.3 6.384 6.244

1/8 -28 8.5 8.637 8.495 1/8 -28 8.3 8.388 8.249

1/4 -19 11.4 11.549 11.341 1/4 -19 11 11.174 10.962

3/8 -19 14.9 15.045 14.846 3/8 -19 14.5 14.658 14.448

1/2 -14 18.6 18.773 18.489 1/2 -14 18.1 18.263 17.979

3/4 -14 24 24.259 23.975 3/4 -14 23.5 23.663 23.378

1 -11 30.2 30.472 30.11 1 -11 29.6 29.822 29.459

1 1/4 -11 38.8 39.133 38.771 1 1/4 -11 38.2 38.339 37.976

1 1/2 -11 44.7 45.026 44.664 1 1/2 -11 44 44.232 43.869

2 -11 56.5 56.837 56.475 2 -11 55.6 55.844 55.412

公制螺纹(M) 55°非密封圆柱内螺纹（G）

规格 钻孔直径 规格 钻孔直径

标准直径 最大 最小 标准直径 最大 最小

M1 0.75 0.785 0.729 1/16 -28 6.7 6.843 6.561

M2 1.6 1.679 1.567 1/8 -28 8.7 8.848 8.566