丝攻下孔径对照表

0.783 0.883 0.983 1.183 1.383 1.460 1.583 1.729 1.929 2.001 2.121 2.186 2.621 3.121 3.459 3.959 4.459 4.959 5.188 5.400 6.188 6.400 6.917 7.188 7.400 7.917 8.188 8.647 8.917 9.188 9.400 8.917 10.188 10.376 10.647
1.182 1.474 1.756 2.025 2.271 2.551 2.820 3.404 3.963 4.496 5.360 6.782 8.382 9.729 11.329 12.751 14.351 17.323 20.270 23.114 26.289 29.464 32.639 35.814
0.821 0.921 1.021 1.221 1.421 1.500 1.621 1.785 1.985 2.610 2.221 2.246 2.721 3.221 3.599 4.099 4.599 5.099 5.378 5.550 6.378 6.550 7.153 7.378 7.520 8.153 8.378 8.912 9.153 9.378 9.520 10.153 10.378 10.676 10.912
1.25 1.55 1.85 2.10 2.40 2.70 2.90 3.50 4.10 4.60 5.50 6.90 8.50 9.90 11.50 12.90 14.50 17.50 20.50 23.20 26.50 29.50 32.80 36.00
1.305 1.612 1.912 2.197 2.458 2.740 3.022 3.606 4.165 4.724 5.588 7.035 8.636 10.033 11.607 13.081 14.681 17.678 20.575 23.571 26.746 29.921 33.096 36.271

5.13 5.86 6 7.38 7.53 8.89 9.1 10.4 10.62 11.92 12.2
5.03 5.73 5.91 7.23 7.42 8.72 8.99 10.02 10.48 11.70 12.06
推薦 推薦下孔徑(mm) 尺寸 精度 Max Min G4 0.92 0.89 M14 X1 G4 1.11 1.09 M16 X2 G4 1.3 1.26 M16 X1.5 G4 1.47 1.43 M16 X1 G4 1.57 1.52 M18 X2.5 G4 1.67 1.62 M18 X1.5 G4 1.84 1.79 M20 X2.5 G4 1.91 1.89 M20 X1.5 G5 2.04 1.98 No. 0-80UNF G4 2.14 2.09 No. 1-64UNC G5 2.34 2.27 No. 1-72UNF G5 2.38 2.34 No. 2-56UNC G5 2.44 2.37 No. 2-64UNF G5 2.82 2.75 No. 3-48UNC G5 2.87 2.82 No. 3-56UNF G5 3.27 3.19 No. 4-40UNC G5 3.37 3.32 No. 4-48UNF G6 3.72 3.65 No. 5-40UNC G6 3.83 3.76 No. 5-44UNF G6 4.67 4.59 No. 6-32UNC G6 4.83 4.76 No. 6-40UNF G7 5.59 5.49 No. 8-32UNC G6 5.69 5.61 No. 8-36UNF G7 6.59 6.48 No.10-24UNC G7 6.7 6.62 No.10-32UNF G7 7.49 7.36 No.12-24UNC G7 7.59 7.48 No.12-28UNF G7 7.7 7.62 1/4 -20UNC G7 9.34 9.22 1/4 -28UNF G7 9.49 9.35 5/16-18UNC G7 9.59 9.48 5/16-24UNF G8 11.23 11.09 3/8 -16UNC G8 11.34 11.22 3/8 -24UNF G9 11.5 11.36 7/16-14UNC G7 11.58 11.47 7/16-20UNF G10 13.14 12.98 1/2 -13UNC 推薦 推薦下孔徑(mm) 精度 Max Min G8 13.59 13.48 G10 15.14 14.97 G9 15.34 15.22 G8 15.59 15.48 G11 16.93 16.73 G10 17.35 17.35 G11 18.92 18.72 G10 19.35 19.22 G5 1.45 1.39 G5 1.76 1.68 G5 1.77 1.70 G4 2.04 1.96 G4 2.06 1.98 G4 2.35 2.25 G4 2.37 2.29 G5 2.64 2.54 G5 2.68 2.59 G5 2.97 2.87 G5 2.99 2.90 G5 3.22 3.11 G5 3.29 3.19 G6 3.89 3.78 G5 3.91 3.81 G6 4.44 4.30 G6 4.53 4.44 G6 5.07 4.96 G6 5.13 5.03 G7 5.86 5.73 G7 6 5.91 G7 7.38 7.23 G7 7.53 7.42 G7 8.89 8.72 G7 9.1 8.99 G8 10.4 10.02 G8 10.62 10.48 G8 11.92 11.70

切削丝攻公制粗牙(M)（通用）公制细牙(MF)1/2规格下孔径下孔径(%)规格下孔径下孔径(%) 60%100%60%100%M1.0 X0.250.750.840.73M1 X0.20.80.870.78 M1.1 X0.250.850.940.83M1.1 X0.20.90.970.88 M1.2 X0.250.95 1.040.93M1.2 X0.21 1.070.98 M1.4 X0.3 1.1 1.21 1.08M1.4 X0.2 1.2 1.27 1.18 M1.6 X0.35 1.25 1.37 1.22M1.6 X0.2 1.4 1.47 1.38 M1.7 X0.35 1.35 1.47 1.32M1.8 X0.2 1.6 1.67 1.58 M1.8 X0.35 1.45 1.57 1.42M2 X0.25 1.75 1.84 1.73 M2 X0.4 1.6 1.74 1.57M2.2 X0.25 1.95 2.07 1.93 M2.2 X0.45 1.75 1.01 1.71M2.5 X0.35 2.15 2.27 2.12 M2.3 X0.4 1.9 2.04 1.87M3 X0.35 2.65 2.77 2.62 M2.5 X0.45 2.05 2.21 2.01M3.5 X0.35 3.15 3.27 3.12 M2.6 X0.45 2.15 2.31 2.11M4 X0.5 3.5 3.68 3.46 M3 X0.5 2.5 2.68 2.46M4.5 X0.54 4.18 3.96 M3 X0.6 2.4 2.61 2.35M5 X0.5 4.5 4.68 4.46 M3.5 X0.6 2.9 3.11 2.85M5.5 X0.55 5.18 4.96 M4 X0.7 3.3 3.55 3.24M6 X0.5 5.5 5.68 5.46 M4 X0.75 3.25 3.51 3.19M6 X0.75 5.25 5.51 5.19 M4.5 X.75 3.75 4.01 3.69M7 X0.75 6.25 6.51 6.19 M5 X0.8 4.2 4.48 4.13M8 X0.757.257.517.19 M5 X0.9 4.1 4.7 4.03M8 X1.077.35 6.92 M6 X0.105 5.35 4.92M9 X1.088.357.92 M7 X0.106 6.35 5.92M10 X0.759.259.519.19 M8 X1.25 6.87.19 6.65M10 X1.099.358.92 M9 X1.257.88.197.65M10 X1.258.759.198.65 M10 X1.58.59.038.38M11 X1.01010.359.92 M11 X1.59.510.039.38M12 X0.7511.2511.5111.19 M12 X1.7510.210.8610.11M12 X1.01111.3510.92 M14 X2.01212.711.83M12 X1.2510.7511.1910.65 M16 X2.01414.713.83M12 X1.510.511.0310.38 M18 X2.515.516.3815.29M14 X1.01313.3512.92 M20 X2.517.518.3817.29M14 X1.2512.7513.1912.65 M22 X2.519.520.3819.29M14 X1.512.513.0312.38 M24 X3.02122.0520.75M15 X1.01414.3513.92 M27 X3.02425.0523.75M15 X1.2513.7514.1913.65 M30 X3.526.527.7326.21M15 X1.513.514.0313.38 M33 X3.529.530.7329.21M16 X1.01515.3514.92 M36 X4.03233.431.67M16 X1.2514.7515.1914.65 M39 X4.03536.434.67M16 X1.514.515.0314.38 M42 X4.537.539.0837.13M18 X1.01717.3516.92 M45 X4.540.542.0840.13M18 X1.2516.7517.1916.65 M48 X5.04344.7542.59M18 X1.516.517.0316.38 M52 X5.04748.7546.59M18 X2.01616.715.83 M56 X5.550.552.4350.05M20 X1.01919.3518.92 M60 X5.554.556.4354.05M20 X1.2518.7519.1918.65 M64 X65860.157.5M20 X1.518.519.0318.38 M68 X66264.161.5M20 X2.01818.717.83 M72 X66668.165.5M22 X1.02121.3520.92 M76 X67072.169.5M22 X1.2520.7521.1920.65M22 X1.520.521.0320.38公制细牙公制细牙(MF)2/2(MF)2/2挤压丝攻公制粗牙(M)M22 X2.02020.0719.83规格下孔径下孔径(%)M24 X1.02323.3522.92 60%100%M24 X1.2522.7523.1922.65M1 X0.250.90.920.86M24 X1.522.523.0322.38M1.1 X0.251 1.020.96M24 X2.02222.721.83M1.2 X0.25 1.1 1.12 1.06M25 X1.02424.1923.92M1.4 X0.3 1.25 1.3 1.24M25 X1.523.524.0323.38M1.6 X0.35 1.45 1.49 1.41M25 X2.02323.722.83M1.7 X0.35 1.55 1.59 1.51M26 X1.524.525.0324.38M1.8 X0.35 1.65 1.69 1.61M27 X1.02626.3525.92M2 X0.4 1.8 1.87 1.78M27 X1.525.526.0325.38M2.2 X0.452 2.05 1.96M27 X2.02525.724.83M2.3 X0.4 2.1 2.17 2.08M28 X1.526.527.0326.38M2.5 X0.45 2.3 2.35 2.26M28 X2.02626.725.83M2.6 X0.45 2.4 2.45 2.36M30 X1.02929.3528.92M3 X0.5 2.75 2.84 2.73M30 X1.528.529.0328.38M3.5 X0.6 3.2 3.31 3.18M30 X2.02828.727.83M4 X0.7 3.65 3.77 3.62M32 X1.530.531.0330.38M4.5 X0.75 4.15 4.26 4.09M33 X1.531.532.0331.38M5 X0.8 4.6 4.74 4.57M33 X2.03131.730.83 1 1 M6 X1.0 5.5 5.68 5.46M33 X3.03031.529.75 1 1 M7 X1.0 6.5 6.68 6.46M35 X1.533.534.0333.38M8 X1.257.357.597.32M36 X1.534.535.0334.38M9 X1.258.48.598.32M36 X2.03434.733.83M10 X1.59.259.519.19M36 X3.03334.0532.75M12 X1.7511.111.4311.05M38 X1.536.537.0336.38M39 X1.537.538.0337.38护套丝攻(M)M39 X2.03737.736.83规格下孔径下孔径(%)M39 X3.03637.0535.75最小最大M40 X1.538.539.0338.38M3 X0.5 3.1 3.11 3.22M40 X2.03838.737.83 M4 X0.7 4.2 4.15 4.29M40 X3.03738.0536.75 M5 X0.8 5.2 5.17 5.33M42 X1.540.541.0340.38 M6 X1.0 6.3 6.22 6.41M42 X2.04040.739.83 M8 X1.258.48.278.48M42 X3.03940.538.75 M10 X1.510.410.3210.56M42 X4.03840.737.66 M12 X1.7512.512.3812.64M45 X1.543.544.0343.38 M14 X2.014.514.4314.73M45 X2.04343.742.83 M16 X2.016.516.4316.73M45 X3.04243.0541.75 M18 X2.518.718.5418.9M45 X4.04142.440.67 M20 X2.520.720.5420.9M48 X2.04646.745.83M48 X3.04546.0544.75M48 X4.04445.443.67M50 X1.548.549.0348.38M50 X2.04848.747.83M50 X3.04748.0546.75M52 X1.550.551.0350.38M52 X2.05050.749.83M52 X3.04950.0548.75英制粗牙(W)美制粗牙(UNC)规格下孔径下孔径(%)规格下孔径下孔径(%) 60%100%60%100%W1/16 -60 1.2 1.26 1.05Nr.1 -64 1.5 1.6 1.42 W3/32 -48 1.8 1.97 1.7Nr.2 -56 1.8 1.89 1.69 W1/8 -40 2.6 2.69 2.36Nr.3 -48 2.1 2.17 1.94 W5/32 -32 3.1 3.36 2.95Nr.4 -40 2.3 2.43 2.16 W3/16 -24 3.6 3.95 3.41Nr.5 -40 2.6 2.76 2.49 W7/32 -24 4.5 4.74 4.2Nr.6 -32 2.75 2.99 2.65 W1/4 -20 5.1 5.37 4.72Nr.8 -32 3.5 3.65 3.31 W5/16 -18 6.5 6.85 6.13Nr.10 -24 3.8 4.14 3.68 W3/8 -167.98.317.49Nr.12 -24 4.5 4.8 4.34 W7/16 -149.39.728.791/4 -20 5.1 5.53 4.98 W1/2 -1210.511.079.995/16 -18 6.57.02 6.41 W9/16 -121212.6611.583/8 -167.98.497.81 W5/8 -1113.514.112.927/16 -149.39.939.15 W3/4 -1016.517.115.81/2 -1310.811.4310.58 W7/8 -919.2520.0618.619/16 -1212.212.9112 W12222.9621.335/8 -1113.514.3813.38 W 1 1/824.7525.7923.933/4 -1016.517.416.3 W 1 1/427.7528.9627.17/8 -919.520.3919.17 W 1 3/830.231.6729.5 1 -822.2523.3421.96 W 1 1/233.534.8532.68 1 1/4 -72829.3927.82 W 1 5/835.537.3734.77 1 3/8 -63132.1830.34 W 1 3/438.540.5537.94 1 1/2 -634.535.3533.52 W 1 7/841.543.2940.4 1 3/4 -53941.1538.95 W 244.546.4643.57 2 -4.54547.1344.69无屑丝攻英制粗牙(W)无屑丝攻美制粗牙(UNC)规格下孔径下孔径(%)规格下孔径下孔径(%) 60%100%60%100%W1/16 -60 1.4 1.42 1.32Nr.1 -64 1.7 1.73 1.64 W3/32 -48 2.1 2.18 2.04Nr.2 -562 2.04 1.94 W1/8 -40 2.85 2.93 2.77Nr.3 -48 2.25 2.34 2.23 W5/32 -32 3.55 3.66 3.46Nr.4 -40 2.55 2.64 2.5 W3/16 -24 4.25 4.36 4.08Nr.5 -40 2.9 2.97 2.83 W 7/32 -24 5.05 5.15 4.88Nr.6 -32 3.15 3.25 3.08 W1/4 -20 5.75 5.86 5.54Nr.8 -32 3.8 3.91 3.7 W5/16 -187.37.47.03Nr.10 -24 4.35 4.48 4.25 W3/8 -168.88.928.51Nr.12 -245 5.14 4.91 W7/16 -1410.310.429.951/4 -20 5.75 5.94 5.66 W1/2 -1211.7511.8911.345/16 -187.37.487.173/8 -168.89.018.67英制管牙7/16 -1410.310.5210.13规格PT(Rc)PS(Pp)PF(G)1/2 -1311.812.0711.64下孔径下孔径下孔径1/16 -28 6.3 6.5 6.7护套丝攻(UNC)1/8 -28 8.38.68.7规格下孔径下孔径(%)1/4 -191111.511.7最小最大3/8 -1914.51515.25Nr.4 -40 3.1 2.98 3.18 1/2 -1418.118.519Nr.6 -32 3.8 3.68 3.885/8 -1421Nr.8 -32 4.4 4.34 4.52 3/4 -1423.52424.5Nr.10 -24 5.2 5.05 5.28 7/8 -14281/4 -20 6.7 6.63 6.87 1 -1129.630.2530.55/16 -188.48.248.49 1 1/8 -1135.53/8 -16109.8710.13 1 1/4 -1138.13939.57/16 -1411.611.5111.78 1 1/2 -114444.9451/2 -1313.213.1213.391 3/4 -11519/16 -1214.914.7515.032 -1155.656.6575/8 -1116.516.3816.673/4 -1019.819.619.91美制管牙规格NPT NPS钢管牙(Pg)下孔径下孔径规格下孔径下孔径(%)1/16 -27 6.2 6.3560%100% 1/8 -278.58.75Pg7 -2011.411.7711.29 1/4 -181111.15Pg9 -181414.3913.85 3/8 -1814.514.7Pg11 -1817.417.7917.25 1/2 -141818.15Pg13.5 -1819.119.5919.05 3/4 -142323.4Pg16 -1821.321.6921.15 1 -11 1/22929.4Pg21 -1626.927.3926.79 1 1/4 -11 1/23838.1Pg29 -1635.636.0935.491 1/2 -11 1/24444.45Pg36 -1645.646.0945.492 -11 1/25656.4Pg42 -1652.653.0952.49美制细牙(UNF)规格下孔径下孔径(%) 60%100%Nr.0 -80 1.3 1.32 1.18 Nr.1 -72 1.6 1.62 1.47 Nr.2 -64 1.9 1.93 1.75 Nr.3 -56 2.1 2.22 2.02 Nr.4 -48 2.4 2.5 2.27 Nr.5 -44 2.7 2.8 2.55 Nr.6 -403 3.09 2.82 Nr.8 -36 3.5 3.71 3.4 Nr.10 -32 4.1 4.31 3.97 Nr.12 -28 4.7 4.9 4.5 1/4 -28 5.5 5.76 5.37 5/16 -24 6.97.25 6.79 3/8 -248.58.848.38 7/16 -209.910.299.74 1/2 -2011.511.8811.33 9/16 -1812.913.3712.76 5/8 -1814.514.9614.35 3/ 4 -1617.518.0217.33 7/8 -1420.2521.0520.26 1 -1223.2524.0323.11 1 1/8 -1226.527.226.28 1 1/4 -1229.530.3829.46 1 3/8 -123333.3532.63 1 1/2 -123636.7335.81无屑丝攻美制细牙(UNF)规格下孔径下孔径(%) 60%100%Nr.0 -80 1.4 1.42 1.35 Nr.1 -72 1.7 1.74 1.66 Nr.2 -642 2.06 1.97 Nr.3 -56 2.3 2.37 2.27 Nr.4 -48 2.6 2.67 2.56 Nr.5 -44 2.7 2.8 2.55 Nr.6 -40 3.2 3.3 3.16 Nr.8 -36 3.85 3.94 3.78 Nr.10 -32 4.45 4.57 4.4 Nr.12 -28 5.05 5.19 4.98 1/4 -28 5.95 6.06 5.86 5/16 -247.47.597.36 3/8 -2499.188.95 1/2 -2012.112.2912.01套丝攻(UNF)规格下孔径下孔径(%)最小最大Nr.4 -483 2.96 3.12 Nr.6 -40 3.7 3.64 3.82Nr.8 -36 4.4 4.32 4.5 Nr.10 -32 5.15 5.18 1/4 -28 6.6 6.55 6.72 5/16 -248.28.178.35 3/8 -249.89.759.93 7/16 -2011.511.3911.59 1/2 -2013.112.9813.18 9/16 -1814.714.5914.8 5/8 -1816.316.1816.39 3/4 -1619.519.3919.61美制号数牙之外径换算番数英寸公尺NR.00.06 1.524NR.10.073 1.854NR.20.086 2.184NR.30.099 2.515NR.40.112 2.845NR.50.125 3.175NR.60.138 3.505NR.80.164 4.166NR.100.19 4.826NR.120.216 5.486。

15.376
M17×1.0
16.00
16.153
15.917
M18×2.0
16.00
16.210
15.835
M18×1.5
16.50
16.670
16.376
M18×1.0
17.00
17.153
16.917
M20×2.0
18.00
18.210
17.835
M20×1.5
18.50
18.676
18.376
39.50
39.827
38.964
2 -4-1/2
45.20
45.593
44.679
英制螺纹
规格
钻孔径
硬材
软材
W1/8 - 40
2.65
2.60
W5/32 - 32
3.25
3.20
W3/16 - 24
3.75
3.70
W1/4 - 20
11.938
11.709
9/16 -28
13.20
13.386
13.132
5/8 -24
14.80
14.986
14.732
3/4 -20
17.80
17.958
17.678
7/8 -20
21.00
21.133
20.853
1 -20
24.00
24.308
24.028
美 制 粗 螺 纹
规格(UNC)
标准径
1.40
1.421
1.383
M1.7×0.2
1.45
1.500
1.460
M1.8×0.2
1.60