抽芽孔径对照表

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锣纹预计孔径对照表

螺丝攻芽钻孔径对照表
制订依据
1. ISO 9001国际规格
2. JQA 日本品质保证
3. 本表依据2级牙制订,由于
鑚头的形状、精度及被加工材质等对鑚孔尺寸精度有很大影响，若有不当之处应视实际状况适当变更鑚头直径
制订依据1. ISO 9001国际规格2. JQA 日本品质保证
3. 本表依据2级牙制订,由于
鑚头的形状、精度及被加工材质等对鑚孔尺寸精度有很大影响，若有不当之处应视实际状况适当变更鑚头直径
螺丝攻芽钻孔径对照表
第 2 页，共 3 页
螺丝攻芽钻孔径对照表
第 3 页，共 3 页。

攻牙芽纹及底孔孔径对照表

公制粗螺纹
规格 M1.0*0.25 M1.1*0.25 M1.2*0.25 M1.4*0.3 M1.6*0.35 M1.7*0.35 M1.8*0.35 M2.0*0.4 M2.2*0.45 M2.3*0.4 M2.5*0.45 M2.6*0.45 M3.0*0.5 M3.0*0.6 M3.5*0.6 M4.0*0.7 M4.0*0.75 M4.5*0.75 M5.0*0.8 M5.0*0.9 M6.0*1.0 M7.0*1.0 M8.0*1.25 M9.0*1.25 M10*1.5 M11*1.5 M12*1.75 M14*2.0 M16*2.0 M18*2.5 M20*2.5 M22*2.5 M24*3.0 M27*3.0 M30*3.5 标准径 0.75 0.85 0.95 1.10 1.25 1.35 1.45 1.60 1.75 1.90 2.10 2.20 2.50 2.40 2.90 3.30 3.25 3.80 4.20 4.10 5.00 6.00 6.80 7.80 8.50 9.50 10.30 12.00 14.00 15.50 17.50 19.50 21.00 24.00 26.50 2级牙钻孔径最大最小 0.785 0.729 0.885 0.829 0.985 0.929 1.142 1.075 1.321 1.221 1.421 1.321 1.521 1.421 1.679 1.567 1.838 1.713 1.979 1.867 2.138 2.013 2.238 2.113 2.599 2.459 2.440 2.280 3.010 2.850 3.422 3.242 3.326 3.106 3.878 3.688 4.334 4.134 4.170 3.930 5.153 4.917 6.153 5.917 6.912 6.647 7.912 7.647 8.676 8.376 9.676 9.376 10.441 10.106 12.210 11.835 14.210 13.835 15.744 15.294 17.744 17.294 19.744 19.294 21.252 20.752 24.252 23.752 26.771 26.211 M12*1.0 M12*0.5 M14*1.5 M14*1.0 M15*1.5 M15*1.0 M16*1.5 M16*1.0 M17*1.5 M17*1.0 M18*2.0 M18*1.5 M18*1.0 M20*2.0 M20*1.5 M20*1.0 M22*2.0 M22*1.5 M22*1.0 M24*2.0 M24*1.5 M24*1.0 M25*2.0 M25*1.5 M25*1.0 M26*1.5 M27*2.0 M27*1.5 M27*1.0 M28*2.0 M28*1.5 M28*1.0 M30*3.0 M30*2.0 M30*1.5 M30*1.0 M32*2.0 M32*1.5 M33*3.0 M33*2.0 M33*1.5 M35*1.5 M36*3.0 M36*2.0 M36*1.5

超全螺纹攻牙钻孔直径和滚造直径对照表,值得收藏!

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

攻牙孔径表

攻牙孔徑表公制牙粗牙無溝絲攻適用孔徑螺紋牙套適用孔徑規格最小孔徑建議孔徑最小孔徑最大孔徑最小孔徑最大孔徑M 1*0.250.730.78M1.1*0.250.830.89M1.2*0.250.930.98M1.4*0.3 1.08 1.14 1.23 1.26M1.6*0.35 1.22 1.32M1.7*0.35 1.33 1.42 1.5 1.55M1.8*0.35 1.42 1.52M 2*0.4 1.57 1.67 1.77 1.83M2.2*0.45 1.71 1.84 1.95 2.01M2.3*0.4 1.87 1.97 2.07 2.13M2.5*0.45 2.01 2.14 2.25 2.31M2.6*0.45 2.12 2.23 2.35 2.41M 3*0.5 2.46 2.6 2.64 2.72 2.79 3.12 3.2M3.5*0.6 2.85 3.01 3.05 3.16 3.24M 4*0.7 3.24 3.42 3.47 3.6 3.69 4.17 4.3M4.5*0.75 3.69 3.88 3.92 4.07 4.17M 5*0.8 4.13 4.33 4.38 4.55 4.65 5.16 5.33 M 6*1.0 4.92 5.15 5.22 5.43 5.55 6.25 6.42 M 7*1.0 5.92 6.15 6.22 6.43 6.557.257.42 M 8*1.25 6.65 6.91 6.987.297.428.318.52 M 9*1.257.657.917.988.298.42M 10*1.58.388.688.759.159.310.3710.62 M 11*1.59.389.689.7510.1510.3M 12*1.7510.1110.4410.5311.0111.1912.4312.73 M 14*2.011.8412.2112.3114.4914.83 M 16*2.013.8414.2114.3116.4916.83 M 18*2.515.2915.7415.8518.5819.04 M 20*2.517.2917.7417.8520.5821.04 M 22*2.519.2919.7419.85M 24*3.020.7521.2521.38M 27*3.023.7524.2524.38M 30*3.526.2126.7726.92M 33*3.529.2129.7729.92M 36*4.031.6732.2732.42M 39*4.034.6735.2732.42M 42*4.537.1337.837.98M 45*4.540.1340.840.98M 48*5.042.5943.343.49公制牙細牙無溝絲攻適用孔徑螺紋牙套適用孔徑規格最小孔徑建議孔徑最小尺寸最大尺寸最小孔徑最大孔徑M2.5*0.35 2.12 2.22 2.3 2.35M 3*0.35 2.62 2.72 2.8 2.85M3.5*0.35 3.12 3.22 3.3 3.35M 4*0.5 3.46 3.6 3.64 3.72 3.79M4.5*0.5 3.96 4.1 4.14 4.22 4.29M 5*0.5 4.46 4.6 4.64 4.72 4.79M5.5*0.5 4.96 5.1 5.14 5.22 5.29M 6*0.75 5.19 5.38 5.42 5.57 5.67M 7*0.75 6.19 6.38 6.42 6.57 6.67M 8*1.0 6.927.157.227.437.558.258.42 M 8*0.757.197.387.427.577.67M 9*1.07.928.158.228.438.55M 9*0.758.198.388.428.578.67M 10*1.258.658.918.989.299.4310.3110.52 M 10*1.08.929.159.229.439.5510.2510.42 M 10*0.759.199.389.429.579.67M 11*1.259.529.89.88M 11*1.09.9210.1510.2210.4310.55M 11*0.7510.1910.3810.4210.5710.67M 12*1.510.3810.6810.7511.1511.312.3712.62 M 12*1.2510.6510.9110.9811.2911.4312.3112.52 M 12*1.010.9211.1511.2211.4311.55M 14*1.512.3812.6812.7514.3714.4 M 14*1.012.9213.1513.22M 15*1.513.3813.6813.75M 15*1.013.9214.1514.22M 16*1.514.3814.6814.7516.3716.62 M 16*1.014.9215.1515.22M 17*1.515.3815.6815.75M 17*1.015.9216.1516.22M 18*2.015.8416.2116.31M 18*1.516.3816.6816.7518.3718.62 M 18*1.016.9217.1517.22M 20*2.017.8418.2118.31M 20*1.518.3818.6818.7520.3720.62 M 20*1.018.9219.1519.22M 22*2.019.8420.2120.31M 22*1.520.3820.6820.75M 22*1.020.9221.1521.22M 24*2.021.8422.2122.31M 24*1.522.3822.6822.75M 24*1.022.9223.1523.22M 25*2.022.8423.2123.31M 25*1.523.3823.6823.75M 25*1.023.9224.1524.22M 26*2.023.6324.0824.18M 26*1.524.3824.6824.75M 27*2.024.8425.2125.31M 27*1.525.3825.6825.75M 27*1.025.9226.1526.22M 28*2.025.8426.2126.31M 28*1.526.3826.6826.75M 28*1.026.9227.1527.22M 30*3.026.7527.2527.38M 30*2.027.8428.2128.31M 30*1.528.3828.6828.75M 30*1.028.9229.1529.22M 32*2.029.8430.2130.31M 32*1.530.3830.6830.75M 33*3.029.7530.2530.38M 33*2.030.8431.2131.31M 33*1.531.3831.6831.75M 35*1.533.3833.6833.75M 36*3.032.7533.2533.38M 36*2.033.8434.2134.31M 36*1.534.3834.6834.75M 38*2.035.6236.0836.18M 38*1.536.3836.6836.75M 39*3.035.7536.2536.38M 39*2.036.8437.2137.31M 39*1.537.3837.6837.75M 40*3.036.7537.2537.38M 40*2.037.8438.2138.31M 40*1.538.3838.6838.75M 42*4.037.6738.2738.42M 42*3.038.7539.2539.38M 42*2.039.8440.2140.31M 42*1.540.3840.6840.75M 45*4.040.6741.2741.42M 45*3.041.7542.2542.38M 45*2.042.8443.2143.31M 45*1.543.3843.6843.75M 48*4.043.6744.2744.42M 48*3.044.7545.2545.38M 48*2.045.8446.2146.31M 48*1.546.3846.6846.75M 50*3.046.7547.2547.38M 50*2.047.8448.2148.31英制牙粗牙無溝絲攻適用孔徑螺紋牙套適用孔徑規格最小孔徑最大孔徑最小孔徑最大孔徑最小孔徑最大孔徑W 1/16-60 1.3W 3/32-48 1.9W 1/8 -40 2.6W 5/32-32 3.2W 3/16-24 3.8W 1/4 -205 5.1 5.63 5.77W 5/16-18 6.5 6.67.137.3W 3/8 -167.988.638.8W 7/16-149.39.410.0910.29W 1/2 -1210.510.711.611.82W 9/16 -121212.3W 5/8 -1113.513.7W 3/4 -1016.516.7W 7/8 -919.319.5W 1 -82222.4W1-1/8 -724.825W1-1/4 -72828.3W1-3/8 -630.330.5W1-1/2 -633.533.8W1-5/8 -535.736W1-3/4 -53939.2W1-7/8 -4.541.541.8W 2 -4.544.745美制牙粗牙無溝絲攻適用孔徑螺紋牙套適用孔徑規格最小孔徑最大孔徑最小孔徑最大孔徑最小孔徑最大孔徑NO. 1-64UNC 1.43 1.58 1.63 1.71NO. 2-56UNC 1.69 1.87 1.93 2.02NO. 3-48UNC 1.94 2.15 2.22 2.32NO. 4-40UNC 2.16 2.39 2.49 2.61 2.95 3.07 NO. 5-40UNC 2.49 2.7 2.82 2.92 3.25 3.38 NO. 6-32UNC 2.64 2.9 3.05 3.19 3.66 3.81 NO. 8-32UNC 3.3 3.53 3.71 3.83 4.32 4.47 NO.10-24UNC 3.68 3.96 4.23 4.37 5.05 5.21 NO.12-24UNC 4.34 4.6 4.88 5.021/4 -20UNC 4.98 5.26 5.63 5.77 6.63 6.785/16-18UNC 6.4 6.737.137.38.338.483/8 -16UNC7.88.158.638.89.9110.11 7/16-14UNC9.149.5510.0910.2911.5111.76 1/2 -13UNC10.5911.0211.611.8213.0813.34 9/16-12UNC11.9912.4514.6814.94 5/8 -11UNC13.3913.8716.5916.84 3/4 -10UNC16.3116.8419.8420.09 7/8 -9 UNC19.1819.761-8 UNC21.9722.611-1/8 -7 UNC24.6425.351-1/4 -7 UNC27.8128.521-3/8 -6 UNC30.3531.121-1/2 -6 UNC33.5334.291-3/4 -5 UNC38.9639.832- 4 1/2UNC44.6845.59美制牙細牙無溝絲攻適用孔徑螺紋牙套適用孔徑規格最小孔徑最大孔徑最小孔徑最大孔徑最小孔徑最大孔徑NO. 0-80UNF 1.18 1.31 1.34 1.41NO. 1-72UNF 1.47 1.61 1.65 1.72NO. 2-64UNF 1.76 1.91 1.96 2.04NO. 3-56UNF 2.02 2.2 2.26 2.35NO. 4-48UNF 2.27 2.46 2.55 2.64NO. 5-44UNF 2.55 2.74 2.85 2.95NO. 6-40UNF 2.82 3.02 3.15 3.24NO. 8-36UNF 3.4 3.61 3.77 3.86 4.32 4.44NO.10-32UNF 3.96 4.17 4.38 4.48 4.98 5.13NO.12-28UNF 4.5 4.72 4.97 5.081/4 -28UNF 5.36 5.59 5.83 5.95 6.53 6.715/16-24UNF 6.787.047.337.468.28.383/8 -24UNF8.388.648.939.089.789.967/16-20UNF9.7310.0310.3910.5411.4311.631/2 -20UNF11.3311.6111.9812.1213.0313.269/16-18UNF12.7513.085/8 -18UNF14.3514.6816.2616.483/4 -16UNF17.3217.6819.4319.687/8 -14UNF20.2720.671 -12UNF23.1123.571-1/8 -12UNF26.2926.751-1/4 -12UNF29.4629.921-3/8 -12UNF32.6433.11-1/2 -12UNF35.8136.27管用螺紋規格PF PS PT最小孔徑最大孔徑最小孔徑最大孔徑最小孔徑最大孔徑 1/88.578.858.58.648.118.251/411.4511.8911.3411.5510.7610.963/814.9515.414.8515.0514.2414.441/218.6319.1718.4918.7717.717.985/820.5921.133/424.1224.6623.9824.2623.123.387/827.8828.42130.2930.9330.1130.4729.129.46 1-1/834.9435.581-1/438.9539.5938.7739.1337.6237.981-1/244.8545.4944.6745.0343.5143.871-3/450.7951.43256.6657.356.4856.8455.0555.41規格NPT NPSC NPSM 1/88.48.89.0512929.830.5 1/411.111.511.85 1-1/437.738.539.2 3/814.314.915.3 1-1/24444.645.3 1/217.918.418.9525656.757.3 3/42323.824.3。

螺丝攻芽钻孔径对照表

公制细螺纹
最小值 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
制订依据 1. ISO 9001国际规格 2. JQA 日本品质保证 3. 本表依据2级牙制订,由于
鑚头的形状、精度及被加工材质等对鑚孔尺寸精度有很大影响，若有不当之处应视实际状况适当变更鑚头直径
第 1 页，共 3 页
螺丝攻芽钻孔径对照表
美制细螺纹规格
(UNF)
(螺丝牙外径)
美制粗螺纹规格
规格精度最大 M1.0× 0.25 G4 0.92 M1.2× 0.25 G4 1.11 M1.4× 0.30 G4 1.30 M1.6× 0.35 G4 1.47 M1.7× 0.35 G4 1.57 M1.8× 0.35 G4 1.67 M2.0× 0.40 G4 1.84 M2.2× 0.45 G5 2.04 M2.3× 0.40 G4 2.14 M2.5× 0.45 G5 2.34 M2.6× 0.45 G5 2.44 M3.0× 0.50 M3.5× 0.60 M4.0× 0.70 M5.0× 0.80 M6.0× 1.0 M7.0× 1.0 M8.0× 1.25 M10× 1.50 M10× 1.25 M12× 1.75 M12× 1.25 G5 G5 G6 G6 G7 G7 G7 G7 G7 G8 G9 2.82 3.27 3.72 4.67 5.59 6.59 7.49 9.34 9.49 最小 0.89 1.09 1.26 1.43 1.52 1.62 1.79 1.98 2.09 2.27 2.37 2.75 3.19 3.65 4.59 5.49 6.48 7.36 9.22 9.35

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