螺丝攻牙钻孔径和滚丝径对照表.docx
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螺丝攻牙钻孔径和滚丝径对照表.docx
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螺丝攻牙钻孔径和滚丝径对照表
螺丝攻牙钻孔径和滚丝径对照表
公制粗螺纹美制粗螺纹规格
标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径
M1.0
M1.1
M1.2
M1.4
M1.6
M1.7
M1.8
M2.0
M2.2
M2.3
M2.5
M2.6
M3.0
M3.0
M3.5
M4.0
M4.0
M4.5
M5.0
M5.0
M6.0
M7.0
最h
<取小
i0.785
0.729
NO.1-64(1.854)1.55
1.5821.425
i0.885
0.829
NO.2-56(2.184)1.80
1.8711.695
i0.985
0.985
NO.3-48(2.515)2.10
2.1461.941
1.142
1.075
NO.4-40(2.845)2.30
2.3852.157
i1.321
1.221
NO.5-40(3.175)2.60
2.6972.487
i1.421
1.321
NO.6-32(3.505)2.80
2.8952.642
i1.521
1.421
NO8-32(4.166)3.40
3.533.302
1.679
1.567
NO.10-24(4.826)3.90
3.9623.683
i1.838
1.713
NO.12-24(5.486)4.50
4.5974.344
1.979
1.867
1/4-205.105.2574.979
I2.138
2.013
5/16-186.606.7316.401
I2.238
2.113
3/8-168.008.1537.798
2.599
2.459
?
16-149.409.559.144
2.440
2.280
1/2-1310.8011.02310.592
3.010
2.850
9/16-1212.2012.44611.989
3.422
3.242
^8-1113.6012.86813.386
i3.326
3.106
^4-1016.5018.840
16.307
I3.878
3.688
778-919.5019.761
19.177
4.334
4.134
122.2022.60621.971
4.170
3.930
1-1/8-725.0025.349
24.638
5.153
4.917
1-1/4-728.2028.524
27.813
6.153
5.917
1-3/8-630.8031.115
30.353
0.250.75
0.250.85
0.250.95
0.52.50
0.62.40
0.62.90
0.73.30
0.84.20
0.94.10
1.05.00
1.06.00
0.31.10
0.351.25
0.351.35
0.351.45
0.41.60
0.451.75
0.41.90
0.452.10
0.452.20
0.753.25
0.753.80
M8.0X1.256.806.9126.6471-1/2-634.0034.29033.528
M9.0X1.257.807.9127.6471-3/4-539.5039.82738.964
M10X1.58.508.6768.3762-4-1/245.2045.59344.679
M11X1.59.509.6769.376
M12X1.7510.30
10.441
10.106
M14X2.012.00
12.210
11.835
M16X2.014.00
14.210
13.835
M18X2.515.50
15.744
15.294
M20X2.517.50
17.744
17.294
M22X2.519.50
19.744
19.294
M24X3.021.00
21.252
20.752
M27X3.024.00
24.252
23.752
M30X3.526.50
26.771
26.211
螺丝攻牙钻孔径和滚丝径对照表
公制细螺纹美制细螺纹
规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径
最大最小最大最小
M1.0X0.20.800.8210.783N0.0-80(1.524)1.251.3051.182
M1.1X0.20.900.9210.883NO.1-72(1.854)1.551.6121.474
M1.2X0.21.001.0210.983NO.2-64(2.184)1.851.9121.756
M1.4X0.21.201.2211.183NO.3-56(2.515)2.102.1972.025
M1.6X0.21.401.4211.383NO.4-48(2.845)2.402.4582.271
M1.7X0.21.451.500
1.460
NO.5-44(3.175)2.70
2.740
2.551
M1.8X0.21.601.621
1.583
N0.6-40(3.505)2.90
3.022
2.820
M2.0X0.251.751.785
1.729
NO.8-36(4.166)3.50
3.606
3.404
M2.2X0.251.951.985
1.929
NO.10-32件826)4.10
4.1653.963
M2.3X0.252.052.061
2.001
NO.12-28(5.846)4.60
4.7244.496
M2.5X0.352.202.221
2.121
1/4-285.505.5885.360
M2.6X0.352.202.246
2.186
5/16-246.907.035
6.782
M3.0X0.352.702.721
2.621
38-248.508.6368.382
M3.5X0.353.203.221
3.121
7716-209.9010.033
9.729
M4.0X0.53.503.599
3.459
1/2-2011.5011.607
11.329
M4.5X0.54.004.099
3.959
9/16-1812.9013.081
12.751
M5.0X0.54.504.599
4.459
^8-1814.5014.681
14.351
M5.5X0.55.005.099
4.959
34-1617.5017.678
17.323
M6.0X0.755.305.378
5.188
778-1420.5020.675
20.270
M6.0X0.55.505.550
5.400
1-1223.2023.57123.114
M7.0X0.756.306.378
6.188
1-1/8-1226.5026.74626.289
M7.0X0.56.506.550
6.400
1-1/4-1229.5029.921
29.464
M8.0X1.07.007.153
6.9171-3/8-1232.8033.09632.639
M8.0X0.757.307.378
7.1881-1/2-1236.0036.27135.814
M8.0X0.57.507.520
7.400
M9.0X1.08.008.153
7.917
M9.0X0.758.308.378
8.188
M10X1.258.808.912
8.647
M10X1.09.009.1538.917
M10X0.759.309.3789.188
M10X0.59.509.5209.400
M11X1.010.0010.1539.917
M11X0.7510.3010.37810.188
M12X1.510.5010.67610.376
M12X1.2510.8010.91210.647
M12X1.011.00
11.153
10.917
M12X0.511.50
11.520
11.400
M14X1.512.50
12.676
12.376
M14X1.013.00
13.153
12.917
M15X1.513.50
13.676
13.376
M15X1.014.00
14.153
13.917
M16X1.514.50
14.676
14.376
M16X1.015.00
15.153
14.917
M17X1.515.50
15.676
15.376
M17X1.016.00
16.153
15.917
M18X2.016.00
16.210
15.835
M18X1.516.50
16.676
16.376
M18X1.017.00
17.153
16.917
M20X2.018.00
18.210
17.835
M20X1.518.50
18.676
18.376
M20X1.019.00
19.153
18.917
M22X2.020.00
20.210
19.835
M22X1.520.50
20.676
20.376
M22X1.021.00
21.153
20.917
M24X2.022.00
22.210
21.835
M24X1.522.50
22.676
22.376
M24X1.023.00
23.153
22.917
M25X2.023.00
23.210
22.835
M25X1.523.50
23.676
23.376
M25X1.024.00
24.153
23.917
M26X1.524.50
24.676
24.376
M27X2.025.00
25.210
24.835
M27X1.525.50
25.676
25.376
M27X1.026.00
26.153
25.917
M28X2.026.00
26.210
25.835
M28X1.526.50
26.676
26.376
M28X1.027.00
27.15326.917
M30X3.027.00
27.25226.752
M30X2.028.00
28.210
27.835
M30X1.528.50
28.676
28.376
M30X1.029.00
29.153
28.917
M32X2.030.00
30.210
29.835
M32X1.530.50
30.676
30.376
M33X3.030.00
30.252
29.752
M33X2.031.00
31.210
30.835
M33X1.531.50
31.676
31.376
M35X1.533.50
33.676
33.376
M36X3.033.00
33.252
32.752
M36X2.034.00
34.210
33.835
M36X1.534.50
34.676
34.376
螺丝攻牙钻孔径和滚丝径对照表
公制挤压丝攻钻孔径美制挤压丝攻钻孔径规格精度等级规格(UNC)精度等级
G4-G6G7-G8G9G4-G6G7-G8G9
M1.0X0.250.860.88—NO.2-56UNC1.94
M1.1X0.250.960.98—NO.3-482.23—
M1.2
M1.4
M1.6
M1.7
M1.8
M2.0
M2.2
M2.3
M2.5
M2.6
M3.0
M3.5
M4.0
M5.0
M6.0
M7.0
M8.0
M10
M10
M12
M12
0.251.061.08
—NO.4-402.50——
0.31.241.25
—NO.5-402.83——
0.351.411.43
—NO.6-323.07——
0.351.511.53
—NO.8-323.733.77—
0.351.611.63
—NO.10-244.244.3—
0.41.781.80
—NO.12-244.904.96—
0.451.951.98
—1/4-20—5.72—
0.42.082.10
—5^16-18—7.24—
0.452.252.28
—^8-16—8.748.81
0.452.352.38
—7716-14—10.2010.30
0.52.732.75
—1/2-13—11.2711.82
0.63.173.20
—NO.2-64UNF1.97——
0.73.623.65
3.69NO.3-562.27——
0.84.564.60
4.64NO.4-482.56——
1.05.455.50
5.55NO.5-442.86——
1.06.456.50
6.55NO.6-403.16——
1.257.317.38
7.44NO.8-363.78——
1.59.189.25
9.32NO.10-324.394.43—
1.259.319.38
9.44NO.12-284.995.04—
5.90
1.7511.0411.1211.211/4-285.85
1.2511.3111.3811.445/16-247.36
7.41
38-24
9.00
力6-20
10.4810.54
1/2-20
12.0712.13
美制特细螺纹英制电器螺纹
规格标准径2级牙钻孔径规格钻孔径最大最小
NO.12-324.704.8264.6232BA4.0-4.2
1/4-325.605.6905.4863BA
06-327.107.2647.0874BA3.0-3.2
38-328.708.8658.6615BA27-2.8
7716
-2810.20
10.338
10.1356BA2.4-2.5
1/2
-2811.80
11.938
11.709
9/16
-2413.20
13.386
13.132
38
-2414.80
14.986
14.732
34
-2017.80
17.958
17.678
778
-2021.00
21.133
20.853
1
-2024.00
24.308
24.028
螺丝攻牙钻孔径和滚丝径对照表
英制螺纹公制螺纹针车用螺纹
规格(UNEF)钻孔径规格滚丝径规格滚丝径
硬材软材
W1/8-402.652.60M3X0.52.63-2.60SM78-402.735-2.688
W®32-323.253.20M3.0X0.62.56-2.53SM&442.769-2.722
W3/16-243.753.70M3.5X0.63.06-3.03SM904-4O3.128-3.083
W1/4-205.105.00M4.0X0.73.49-3.45SM1/B4-403.855-3.805
W^16-186.606.50M4.0X0.753.45-3.41SIVK36-324.205-4.155
W3/8-168.007.90M4.5X0.753.96-3.92SM36-284.143-4.093
W7716-149.409.30M5.0X0.84.43-4.38SIWB2-325.003-4.955
W1/2-1210.7010.50M5.0X0.94.36-4.31SM1/54-285.325-5.570
W9/16-1212.3012.00M6.0X1.05.30-5.25SM/4-405.890-5.735
W5/8-1113.7013.50
M7.0X1.06.30-6.25SM/14-285.721-5.366
W3/4-1016.7016.50
M8.0X1.07.28-7.23SM93/2-286.508-6.648
W7/8-919.50
19.30M8.0X1.257.12-7.07SM1/132-288.092-8.432
W1-822.4022.00
SM3/8-288.880-8.015
W1-1/8-725.0024.80
W1-1/4-728.3028.00
SM7/16-2810.466-10.401
SM7/16-1610.037-9.967
SM1/2-2011.819-11.749
SM9/26-2013.400-13.425
英制管螺纹英制管螺纹美制管螺纹
规格标准径钻孔径规格标准径有交牙部之长度(最小)中之毋螺牙内径标准长度(最小)中之毋螺牙内径规格钻孔径最大最小使用绞刀时不用绞刀时NPTNPS
使用绞刀时不用绞刀时
PS1/16-286.506.6326.490PT1/16-286.106.206.2446.3841/16-276.106.256.35
PS1/8-288.508.6378.495PT1/8-288.108.208.2498.3881/8-278.338.438.74
PS1/4-
1911.40
11.54911.341
PT1/4
-1910.70
11.00
10.96211.1741/4
-1810.72
11.13
11.13
PS3/8-
1915.00
15.05414.846
PT3/8
-1914.20
14.50
14.44814.6583/8
-1814.27
14.27
14.68
PS1/2-
1418.50
18.77318.489
PT1/2
-1417.60
18.00
17.97918.2631/2
-1417.48
17.86
18.26
PS3/4-1424.00
24.25923.975
PT3/4-
1423.00
23.50
23.37823.6633/4-
1422.63
23.01
23.42
PS1-1130.2030.47130.111PT1-1129.0029.5029.45929.8221-11-1/228.5828.9829.36
PS1-1/4-1138.8039.13238.772PT1-1/4-1137.5038.0037.97638.3391-1/4-11-1/237.3137.6938.10
PS1-1/2-1144.8045.02544.665PT1-1/2-1143.4044.0043.86944.2321-1/2-11-1/243.6644.0444.45
PS2-1156.5056.83656.476PT2-1154.9055.5055.41255.8442-11-1/255.5855.9656.36
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