公制及美制螺纹钻孔及滚丝径查询.docx
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公制及美制螺纹钻孔及滚丝径查询.docx
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公制及美制螺纹钻孔及滚丝径查询
公制及美制螺纹钻孔及滚丝径查询
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
最大
最小
最大
最小
M1.0×0.25
0.75
0.785
0.729
NO.1-64(1.854)
1.55
1.582
1.425
M1.1×0.25
0.85
0.885
0.829
NO.2-56(2.184)
1.80
1.871
1.695
M1.2×0.25
0.95
0.985
0.985
NO.3-48(2.515)
2.10
2.146
1.941
M1.4×0.3
1.10
1.142
1.075
NO.4-40(2.845)
2.30
2.385
2.157
M1.6×0.35
1.25
1.321
1.221
NO.5-40(3.175)
2.60
2.697
2.487
M1.7×0.35
1.35
1.421
1.321
NO.6-32(3.505)
2.80
2.895
2.642
M1.8×0.35
1.45
1.521
1.421
NO8-32(4.166)
3.40
3.53
3.302
M2.0×0.4
1.60
1.679
1.567
NO.10-24(4.826)
3.90
3.962
3.683
M2.2×0.45
1.75
1.838
1.713
NO.12-24(5.486)
4.50
4.597
4.344
M2.3×0.4
1.90
1.979
1.867
1/4-20
5.10
5.257
4.979
M2.5×0.45
2.10
2.138
2.013
5/16-18
6.60
6.731
6.401
M2.6×0.45
2.20
2.238
2.113
3/8-16
8.00
8.153
7.798
M3.0×0.5
2.50
2.599
2.459
7/16-14
9.40
9.55
9.144
M3.0×0.6
2.40
2.440
2.280
1/2-13
10.80
11.023
10.592
M3.5×0.6
2.90
3.010
2.850
9/16-12
12.20
12.446
11.989
M4.0×0.7
3.30
3.422
3.242
5/8-11
13.60
12.868
13.386
M4.0×0.75
3.25
3.326
3.106
3/4-10
16.50
18.840
16.307
M4.5×0.75
3.80
3.878
3.688
7/8-9
19.50
19.761
19.177
M5.0×0.8
4.20
4.334
4.134
1
22.20
22.606
21.971
M5.0×0.9
4.10
4.170
3.930
1-1/8-7
25.00
25.349
24.638
M6.0×1.0
5.00
5.153
4.917
1-1/4-7
28.20
28.524
27.813
M7.0×1.0
6.00
6.153
5.917
1-3/8-6
30.80
31.115
30.353
M8.0×1.25
6.80
6.912
6.647
1-1/2-6
34.00
34.290
33.528
M9.0×1.25
7.80
7.912
7.647
1-3/4-5
39.50
39.827
38.964
M10×1.5
8.50
8.676
8.376
2-4-1/2
45.20
45.593
44.679
M11×1.5
9.50
9.676
9.376
M12×1.75
10.30
10.441
10.106
M14×2.0
12.00
12.210
11.835
M16×2.0
14.00
14.210
13.835
M18×2.5
15.50
15.744
15.294
M20×2.5
17.50
17.744
17.294
M22×2.5
19.50
19.744
19.294
M24×3.0
21.00
21.252
20.752
M27×3.0
24.00
24.252
23.752
M30×3.5
26.50
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
M1.0×0.2
0.80
0.821
0.783
NO.0-80(1.524)
1.25
1.305
1.182
M1.1×0.2
0.90
0.921
0.883
NO.1-72(1.854)
1.55
1.612
1.474
M1.2×0.2
1.00
1.021
0.983
NO.2-64(2.184)
1.85
1.912
1.756
M1.4×0.2
1.20
1.221
1.183
NO.3-56(2.515)
2.10
2.197
2.025
M1.6×0.2
1.40
1.421
1.383
NO.4-48(2.845)
2.40
2.458
2.271
M1.7×0.2
1.45
1.500
1.460
NO.5-44(3.175)
2.70
2.740
2.551
M1.8×0.2
1.60
1.621
1.583
NO.6-40(3.505)
2.90
3.022
2.820
M2.0×0.25
1.75
1.785
1.729
NO.8-36(4.166)
3.50
3.606
3.404
M2.2×0.25
1.95
1.985
1.929
NO.10-32(4.826)
4.10
4.165
3.963
M2.3×0.25
2.05
2.061
2.001
NO.12-28(5.846)
4.60
4.724
4.496
M2.5×0.35
2.20
2.221
2.121
1/4-28
5.50
5.588
5.360
M2.6×0.35
2.20
2.246
2.186
5/16-24
6.90
7.035
6.782
M3.0×0.35
2.70
2.721
2.621
3/8-24
8.50
8.636
8.382
M3.5×0.35
3.20
3.221
3.121
7/16-20
9.90
10.033
9.729
M4.0×0.5
3.50
3.599
3.459
1/2-20
11.50
11.607
11.329
M4.5×0.5
4.00
4.099
3.959
9/16-18
12.90
13.081
12.751
M5.0×0.5
4.50
4.599
4.459
5/8-18
14.50
14.681
14.351
M5.5×0.5
5.00
5.099
4.959
3/4-16
17.50
17.678
17.323
M6.0×0.75
5.30
5.378
5.188
7/8-14
20.50
20.675
20.270
M6.0×0.5
5.50
5.550
5.400
1-12
23.20
23.571
23.114
M7.0×0.75
6.30
6.378
6.188
1-1/8-12
26.50
26.746
26.289
M7.0×0.5
6.50
6.550
6.400
1-1/4-12
29.50
29.921
29.464
M8.0×1.0
7.00
7.153
6.917
1-3/8-12
32.80
33.096
32.639
M8.0×0.75
7.30
7.378
7.188
1-1/2-12
36.00
36.271
35.814
M8.0×0.5
7.50
7.520
7.400
M9.0×1.0
8.00
8.153
7.917
M9.0×0.75
8.30
8.378
8.188
M10×1.25
8.80
8.912
8.647
M10×1.0
9.00
9.153
8.917
M10×0.75
9.30
9.378
9.188
M10×0.5
9.50
9.520
9.400
M11×1.0
10.00
10.153
9.917
M11×0.75
10.30
10.378
10.188
M12×1.5
10.50
10.676
10.376
M12×1.25
10.80
10.912
10.647
M12×1.0
11.00
11.153
10.917
M12×0.5
11.50
11.520
11.400
M14×1.5
12.50
12.676
12.376
M14×1.0
13.00
13.153
12.917
M15×1.5
13.50
13.676
13.376
M15×1.0
14.00
14.153
13.917
M16×1.5
14.50
14.676
14.376
M16×1.0
15.00
15.153
14.917
M17×1.5
15.50
15.676
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
16.676
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
M20×1.0
19.00
19.153
18.917
M22×2.0
20.00
20.210
19.835
M22×1.5
20.50
20.676
20.376
M22×1.0
21.00
21.153
20.917
M24×2.0
22.00
22.210
21.835
M24×1.5
22.50
22.676
22.376
M24×1.0
23.00
23.153
22.917
M25×2.0
23.00
23.210
22.835
M25×1.5
23.50
23.676
23.376
M25×1.0
24.00
24.153
23.917
M26×1.5
24.50
24.676
24.376
M27×2.0
25.00
25.210
24.835
M27×1.5
25.50
25.676
25.376
M27×1.0
26.00
26.153
25.917
M28×2.0
26.00
26.210
25.835
M28×1.5
26.50
26.676
26.376
M28×1.0
27.00
27.153
26.917
M30×3.0
27.00
27.252
26.752
M30×2.0
28.00
28.210
27.835
M30×1.5
28.50
28.676
28.376
M30×1.0
29.00
29.153
28.917
M32×2.0
30.00
30.210
29.835
M32×1.5
30.50
30.676
30.376
M33×3.0
30.00
30.252
29.752
M33×2.0
31.00
31.210
30.835
M33×1.5
31.50
31.676
31.376
M35×1.5
33.50
33.676
33.376
M36×3.0
33.00
33.252
32.752
M36×2.0
34.00
34.210
33.835
M36×1.5
34.50
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-G6
G7-G8
G9
G4-G6
G7-G8
G9
M1.0×0.25
0.86
0.88
-
NO.2-56UNC
1.94
-
-
M1.1×0.25
0.96
0.98
-
NO.3-48
2.23
-
-
M1.2×0.25
1.06
1.08
-
NO.4-40
2.50
-
-
M1.4×0.3
1.24
1.25
-
NO.5-40
2.83
-
-
M1.6×0.35
1.41
1.43
-
NO.6-32
3.07
-
-
M1.7×0.35
1.51
1.53
-
NO.8-32
3.73
3.77
-
M1.8×0.35
1.61
1.63
-
NO.10-24
4.24
4.3
-
M2.0×0.4
1.78
1.80
-
NO.12-24
4.90
4.96
-
M2.2×0.45
1.95
1.98
-
1/4-20
-
5.72
-
M2.3×0.4
2.08
2.10
-
5/16-18
-
7.24
-
M2.5×0.45
2.25
2.28
-
3/8-16
-
8.74
8.81
M2.6×0.45
2.35
2.38
-
7/16-14
-
10.20
10.30
M3.0×0.5
2.73
2.75
-
1/2-13
-
11.27
11.82
M3.5×0.6
3.17
3.20
-
NO.2-64UNF
1.97
-
-
M4.0×0.7
3.62
3.65
3.69
NO.3-56
2.27
-
-
M5.0×0.8
4.56
4.60
4.64
NO.4-48
2.56
-
-
M6.0×1.0
5.45
5.50
5.55
NO.5-44
2.86
-
-
M7.0×1.0
6.45
6.50
6.55
NO.6-40
3.16
-
-
M8.0×1.25
7.31
7.38
7.44
NO.8-36
3.78
-
-
M10×1.5
9.18
9.25
9.32
NO.10-32
4.39
4.43
-
M10×1.25
9.31
9.38
9.44
NO.12-28
4.99
5.04
-
M12×1.75
11.04
11.12
11.21
1/4-28
5.85
5.90
-
M12×1.25
11.31
11.38
11.44
5/16-24
7.36
7.41
-
3/8-24
-
9.00
-
7/16-20
-
10.48
10.54
1/2-20
-
12.07
12.13
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.12-32
4.70
4.826
4.623
2BA
4.0-4.2
1/4-32
5.60
5.690
5.486
3BA
5/16-32
7.10
7.264
7.087
4BA
3.0-3.2
3/8-32
8.70
8.865
8.661
5BA
2.7-2.8
7/16-28
10.20
10.338
10.135
6BA
2.4-2.5
1/2-28
11.80
11.938
11.709
9/16-24
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
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
W1/8-40
2.65
2.60
M3×0.5
2.63-2.60
SM1/8-40
2.735-2.688
W5/32-32
3.25
3.20
M3.0×0.6
2.56-2.53
SM1/8-44
2.769-2.722
W3/16-24
3.75
3.70
M3.5×0.6
3.06-3.03
SM9/64-40
3.128-3.083
W1/4-20
5.10
5.00
M4.0×0.7
3.49-3.45
SM11/64-40
3.855-3.805
W5/16-18
6.60
6.50
M4.0×0.75
3.45-3.41
SM3/16-32
4.205-4.155
W3/8-16
8.00
7.90
M4.5×0.75
3.96-3.92
SM3/16-28
4.143-4.093
W7/16-14
9.40
9.30
M5.0×0.8
4.43-4.38
SM7/32-32
5.003-4.955
W1/2-12
10.70
10.50
M5.0×0.9
4.36-4.31
SM15/64-28
5.325-5.570
W9/16-12
12.30
12.00
M6.0×1.0
5.30-5.25
SM1/4-40
5.890-5.735
W5/8-11
13.70
13.50
M7.0×1.0
6.30-6.25
SM1/4-28
5.721-5.366
W3/4-10
16.70
16.50
M8.0×1.0
7.28-7.23
SM9/32-28
6.508-6.648
W7/8-9
19.50
19.30
M8.0×1.25
7.12-7.07
SM11/32-28
8.092-8.432
W1-8
22.40
22.00
SM3/8-28
8.880-8.015
W1-1/8-7
25.00
24.80
SM7/16-28
10.466-10.401
W1-1/4-7
28.30
28.00
SM7/16-16
10.037-9.967
SM1/2-20
11.819-11.749
SM9/26-20
13.400-13.425
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
NPT
NPS
使用绞刀时
不用绞刀时
PS1/16-28
6.50
6.632
6.490
PT1/16-28
6.10
6.20
6.244
6.384
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