配钻攻丝标准与螺纹标准.docx
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配钻攻丝标准与螺纹标准.docx
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配钻攻丝标准与螺纹标准
公制细螺纹
公制标准螺纹
规格
标准径
2级螺纹内径
规格
标准径
1级-2级螺纹内径
上限
下限
上限
下限
M1*0.25
0.75
0.785
0.729
M1*0.20
0.8
0.821
0.783
M1.1*0.25
0.85
0.885
0.829
M1.1*0.20
0.9
0.921
0.883
M1.2*.25
0.95
0.985
0.929
M1.2*0.20
1
1.021
0.983
M1.4*0.3
1.1
1.142
1.075
M1.4*0.20
1.2
1.221
1.183
M1.6*0.35
1.25
1.321
1.221
M1.6*0.20
1.4
1.421
1.383
M1.7*0.35
1.35
1.421
1.321
*M1.7*0.20
1.45
1.5
1.46
M1.8*0.35
1.45
1.521
1.421
M1.8*0.20
1.6
1.621
1.583
M2*0..4
1.6
1.679
1.576
M2*0.25
1.75
1.785
1.729
M2.2*0.45
1.75
1.838
1.713
M2.2*0.25
1.95
1.985
1.929
M2.3*0.4
1.9
1.979
1.867
*M2.3*0.25
2.05
2.016
2.001
M2.5*0.45
2.1
2.138
2.013
M2.5*0.35
2.121
2.221
2.121
M2.6*0.45
2.2
2.238
2.113
*M2.6*0.35
2.2
2.246
2.186
M3*0.5
2.5
2.599
2.459
M3*0.35
2.7
2.721
2.621
*M3*0.6
2.4
2.44
2.28
M3.5*0.35
3.2
3.221
3.121
M3.5*0.6
2.9
3.01
2.85
M4*0.50
3.5
3.599
3.459
M4*0.7
3.3
3.422
3.242
M4.5*0.50
4
4.099
3.959
*M4*0.75
3.25
3.326
3.106
M5*0.50
4.5
4.599
4.459
M4.5*0.75
3.8
3.878
3.688
M5.5*0.50
5
5.099
4.959
M5*0.8
4.2
4.334
4.134
M6*0.75
5.3
5.378
5.188
*M5*0.9
4.1
4.17
3.93
*M6*0.5
5.5
5.55
5.4
M6*1
5
5.153
4.917
M7*0.75
6.3
6.378
6.188
M7*1
6
6.153
5.917
*M7*0.50
6.5
6.55
6.4
M8*1.25
6.8
6.912
6.647
M8*1.0
7
7.153
6.917
M9*1.25
7.8
7.912
7.647
M8*0.75
7.3
7.378
7.188
M10*1.5
8.5
8.676
8.376
*M8*0.50
7.5
7.52
7.4
M11*1.5
9.5
9.676
9.376
M9*1.0
8
8.153
7.917
M12*1.75
10.3
10.441
10.106
M9*0.75
8.3
8.378
8.188
M14*2
12
12.21
11.835
M10*1.25
8.8
8.912
8.647
M16*2
14
14.21
13.835
等等
M18*2.5
15.5
15.744
15.249
M20*2.5
17.5
17.744
17.249
M22*2.5
19.5
19.744
19.249
M24*3
21
21.252
20.752
M27*3
24
24.252
23.752
M30*3.5
26.5
26.771
26.211
M33*3.5
29.5
29.771
29.211
M36*4
32
32.27
31.67
M39*4
35
35.27
34.67
M42*4.5
37.5
37.779
37.129
M45*4.5
40.5
40.779
40.129
M48*5
43
43.279
42.587
公制粗螺纹
公制细螺纹
规格
标准径
最大
最小
规格
标准径
最大
最小
规格
标准径
最大
最小
M1.0*0.25
0.75
0.785
0.729
M1.0*0.2
0.8
0.821
0.783
M15*1.0
14
14.353
13.917
M1.1*0.25
0.85
0.885
0.829
M1.1*0.2
0.9
0.921
0.883
M16*1.5
14.5
14.676
14.376
M1.2*0.25
0.95
0.985
0.929
M1.2*0.2
1
1.021
0.983
M16*1.0
15
15.153
14.917
M1.4*0.3
1.1
1.142
1.075
M1.4*0.2
1.2
1.221
1.183
M17*1.5
15.5
15.676
15.376
M1.6*0.35
1.25
1.321
1.221
M1.6*0.2
1.4
1.421
1.383
M17*1.0
16
16.153
15.917
M1.7*0.35
1.35
1.421
1.321
M1.7*0.2
1.45
1.5
1.46
M18*2.0
16
16.21
15.835
M1.8*0.35
1.45
1.521
1.421
M1.8*0.2
1.6
1.621
1.583
M18*1.5
16.5
16.676
16.376
M2.0*0.4
1.6
1.679
1.567
M2.0*0.25
1.75
1.785
1.729
M18*1.0
17
17.153
16.917
M2.2*0.45
1.75
1.888
1.713
M2.2*0.25
1.95
1.985
1.929
M20*2.0
18
18.21
17.835
M2.3*0.4
1.9
1.979
1.867
M2.3*0.25
2.05
2.061
2.001
M20*1.5
18.5
18.676
18.376
M2.5*0.45
2.1
2.138
2.013
M2.5*0.35
2.2
2.221
2.121
M20*1.0
19
19.153
18.917
M2.6*0.45
2.2
2.238
2.113
M2.5*0.35
2.2
2.246
2.186
M22*2.0
20
20.21
19.835
M3.0*0.5
2.5
2.599
2.459
M3.0*0.35
2.7
2.721
2.621
M22*1.5
20.5
20.676
20.376
M3.0*0.6
2.4
2.44
2.28
M3.5*0.35
3.2
3.221
3.121
22*1.0
21
21.153
20.917
M3.5*0.6
2.9
3.01
2.85
M4.0*0.5
3.5
3.599
3.459
M24*2.0
22
22.21
21.835
M4.0*0.7
3.8
3.422
3.242
M4.5*0.5
4
4.099
3.959
M24*1.5
22.5
22.676
22.376
M4.0*0.75
3.25
3.326
3.106
M5.0*0.5
4.5
4.599
4.459
M24*1.0
23
23.153
22.917
M4.5*0.7
3.8
3.878
3.688
M5.5*0.5
5
5.099
4.959
M25*2.0
23
23.21
22.835
M5*0.8
4.2
4.334
4.134
M6.0*0.75
5.3
5.378
5.188
M25*1.5
23.5
23.676
23.376
M5*0.9
4.1
4.17
3.98
M6.0*0.5
5.5
5.55
5.4
M25*1.0
24
24.153
23.917
M6*1.0
5
5.153
4.917
M7.0*0.75
6.3
6.378
6.188
M26*1.5
24.5
24.676
24.876
M7*1.0
6
6.153
5.917
M7.0*0.5
6.5
6.55
6.4
M27*2.0
25
25.21
24.735
M8*1.25
6.8
6.912
6.647
M8.0*1
7
7.153
6.917
M27*1.5
25.5
25.676
25.376
M9*1.25
7.8
7.912
7.647
M8.0*0.75
7.3
7.378
7.188
M27*1.0
26
26.153
25.735
M10*1.5
8.5
8.676
8.376
M8.0*0.5
7.5
7.52
7.4
M28*2.0
26
26.21
25.835
M11*1.5
9.5
9.676
9.376
M9.0*1
8
8.153
7.917
M28*1.5
26
26.676
26.376
M12*1.75
10.3
10.24
10.11
M9.0*0.75
8.3
8.378
8.188
M28*1.0
27
27.153
26.917
M14*2.0
12
12.21
11.84
M10*1.25
8.8
8.912
8.647
M30*3.0
27
27.252
26.752
M16*2.0
14
14.21
13.84
M10*1.0
9
9.153
8.917
M30*2.0
28
28.21
27.835
M18*2.5
15
15.144
15.29
M10*0.75
9.3
9.378
9.188
M30*1.0
28
28.676
28.376
M20*2.5
17
17.744
17.29
M10*0.5
9.5
9.52
9.4
M32*2.0
30
29.153
28.917
M22*2.5
19
19.744
19.29
M11*1.0
10
10.153
9.917
M32*1.5
30
30.21
29.835
M24*3.0
21
21.252
20.75
M11*0.75
10.3
10.378
10.19
M33*3.0
30
30.676
30.376
M27*3.0
24
24.252
23.75
M12*1.5
10.5
10.676
10.38
M33*2.0
31
30.252
29.752
M30*3.5
26.5
26.771
26.21
M12*1.25
10.8
10.912
10.65
M33*1.5
31.5
31.21
30.835
M12*1
11
11.153
10.92
M35*1.5
33.5
33.676
31.376
M12*0.5
11.5
11.523
11.4
M36*3.0
33
33.252
32.752
M14*0.5
12.5
12.676
12.38
M36*2.0
34
34.21
33.835
M14*1.0
13
13.153
12.92
M36*1.5
34
34.676
34.376
M15*1.50
13.5
13.676
13.38
美制迫牙丝攻钻孔径
英制螺纹
规格
精度等级
规格
钻孔径
G4-G6
G7-G8
G9
硬材
软材
NO.2-56UNC
1.94
W1\8-40
2.65
2.5
NO.3-48
2.23
W5\32-32
3.25
3.2
NO.4-40
2.5
W3\16-24
3.75
3.7
NO.6-32
2.83
W1\4-20
5.1
5
NO.8-32
3.07
3.75
W5\16-16
6.6
6.5
NO.10-24
3.78
4.3
W3\8-18
8
7.9
NO.12-24
4.24
4.56
W7\16-14
9.4
9.3
1\4-20
4.9
5.72
W1\2-12
10.7
10.5
5\16-18
7.24
W9\16-12
12.3
12
3\8-16
8.74
8.81
W5\8-11
13.7
13.5
7\16-14
10.2
10.3
W3\4-10
16.7
16.5
1\2-13
11.27
11.82
W7\8-9
19.5
19.3
NO.2-64UNF
1.97
W1\8-8
22.4
22
NO.3-56
2.27
W1-1\8-7
25
24.8
NO.4-48
2.56
W1-1\4-7
28.3
28
NO.5-44
2.86
NO.6-40
3.16
针车用螺纹
NO.8-36
3.78
规格
滚造径
NO.10-32
4.39
4.43
SW1\8-40
2.735--2.688
NO.12-28
4.99
5.04
SM1\8-44
2.769--2.722
1\4-28
5.85
5.9
5\16-24
7.36
7.41
3\8-24
9
7\16-20
10.48
10.54
1\2-20
12.07
12.13
美制特制螺纹
针车螺纹
规格(UNEF)
标准径
2级牙钻孔径
规格
滚造径
最大
最小
SM1\8-40
2.735-2.668
NO.12-32
4.7
4.826
4.623
SM1\8-44
2.769-2.722
SM9\64-40
3.128-3.083
1\4-32
5.6
5.69
5.486
SM11\64
3.855-3.805
5\16-32
7.1
7.264
7.087
SM3\16-32
4.205-4.155
3\8-32
8.7
8.865
8.661
SM3\16-28
4.143-4.093
7\16-28
10.2
10.338
10.135
SM7\32-32
5.003-4.955
1\2-28
11.6
13.386
11.709
SM15\64-28
5.325-5.570
9\16-24
13.2
14.986
13.132
SM1\4-40
5.890-54.735
5\8-24
14.8
14.986
14.732
SM1\4-28
5.721-5.368
3\4-20
17.8
17.958
17.678
SM9\32-28
6.508-6.648
7\8-20
21
21.133
20.859
SM11\31-28
8.092-8.432
1--20
24
24.308
24.028
SM3\8-28
8.880-8.015
SM7\16-28
10.466-10.401
美制管螺纹
SM7\16-16
10.037-9.967
规格
钻孔径
SM1\2-20
11.819-11.749
NPT
NPS
SM9\16-20
13.4-13.425
最大
最小
公制螺纹
1\16-27
6.1
6.25
6.35
规格
滚造径
1\8-27
8.38
8.43
8.74
M3*0.5
2.63-2.5
1\4-18
10.72
11.13
11.13
M3*0.6
2.53-2.5
3\8-18
14.27
14.27
14.68
M3.5*0.6
3.06-3.03
1\2-14
17.48
17.86
18.26
M4*0.7
3.49-3.15
3\4-14
22.63
23.01
23.42
M4*0.75
3.45-3.41
1-11-1\2
28.58
28.98
29.36
M4.5*0.75
3.96-3.92
1-1\4-11-1\2
37.31
37.69
38.1
M5*0.8
4.43-4.38
1-1\2-11-1\2
43.66
44.04
44.45
M5*0.9
4.36-4.31
2-11-1\2
55.58
55.96
56.36
M6*1.0
5.3-5.25
英制电器螺纹
M7*1.0
6.3-6.25
M8*1.0
7.28-7.23
规格
钻孔径
M8*1.25
7.12-7.07
2BA
4-4.2
3BA
4BA
3-3.2
5BA
2.7-2.8
6BA
2.4-2.5
美制粗螺纹
英制管螺纹
规格UNC外径
2级牙钻孔径
规格
标准径
钻孔径
标准径
最大
最小
最大
最小
NO.1-64(1.854)
1.55
1.582
1.452
PS1\16-28
6.5
6.632
6.49
NO.2-56(2.184)
1.8
1.871
1.695
PS1\8-28
8.5
8.687
8.495
NO.3-48(2.515)
2.1
2.146
1.941
Ps1\4-19
11.4
11.549
11.341
NO.4-40(2.845)
2.3
2.385
2.157
PS3\8-19
15
15.054
14.846
NO.5-40(3.173)
2.6
2.679
2.487
PS1\2-14
18.5
18.733
18.489
NO.6-32(3.505)
2.8
2.895
2.642
PS3\4-14
24
24.259
23.975
NO.8-32(4.166)
3.4
3.53
3.302
PS1\4-11
30.2
30.471
30.111
NO.10-24(4.826)
3.9
3.962
3.683
PS1-1\4-11
38.8
39.132
38.772
NO.12-24(5.486)
4.5
4.597
4.344
PS1-1\2-11
44.8
45.025
44.665
1\4-20
5.1
5.257
4.979
PS2-1\2-11
56.5
56.836
56.476
5\16-18
6.6
6.731
6.401
3\8-16
8
8.153
7.793
英制管螺纹
7\16-14
9.4
9.55
9.144
规格
标准径
有效牙部之长
标准长度之
1\2-13
10.8
11.023
10.592
使用铰刀时
不用铰刀时
度中螺牙内径
螺牙内径
9\16-12
12.2
12.446
11.989
PT1\16-28
6.1
6.2
6.384
5\8-11
13.6
12.868
13.386
PT1\8-28
8.1
8
8.388
3\4-10
16.5
18.84
16.307
PT1\4-19
10.7
11
11.174
7\8-9
19.5
19.761
19.507
PT3\8-19
14.2
14.5
14.685
1\8-8
22.2
22.606
21.971
PT1\2-14
17.6
13
18.263
1-1\8-7
25
25.349
24.6398
PT3\4-14
23
23.5
23.663
1-1\4-7
28.2
28.524
27.813
PT1\4-11
29
29.5
29.822
1-3\8-6
30.8
31.115
30.353
PT1-1\4-11
37.5
38
38.339
1-1\2-6
34
34.29
33.528
PT1-1\2-11
43.4
44
44.232
1-3\4-5
39.5
39.827
38.964
PT2-2-11
54.9
55.5
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