螺丝攻牙钻孔径和滚造径对照表.docx
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螺丝攻牙钻孔径和滚造径对照表.docx
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螺丝攻牙钻孔径和滚造径对照表
螺丝攻牙钻孔径和滚造径对照表
公制细螺纹
规格
标准率
2级牙钻孔径
最大
最小
M1.0*0.2
0.80
0.821
0.783
M1.1*0.2
0.90
0.921
0.883
M1.2*0.2
1.00
1.021
0.983
M1.4*0.2
1.20
1.221
1.183
M1.6*0.2
1.40
1.421
1.383
M1.7*0.2
1.45
1.500
1.460
M1.8*0.2
1.60
1.621
1.583
M2.0*0.25
1.75
1.785
1.729
M2.2*0.25
1.95
1.985
1.929
M2.3*0.25
2.05
2.610
2.001
M2.5*0.35
2.20
2.221
2.121
M2.6*0.35
2.20
2.246
2.186
M3.0*0.35
2.70
2.721
2.621
M3.5*0.35
3.20
3.221
3.121
M4.0*0.5
3.50
3.599
3.459
M4.5*0.5
4.00
4.099
3.959
M5.0*0.5
4.50
4.599
4.459
M5.5*0.5
5.00
5.099
4.959
M6.0*0.75
5.30
5.378
5.188
M6.0*0.5
5.50
5.550
5.400
M7.0*0.75
6.30
6.378
6.188
M7.0*0.5
6.50
6.550
6.400
M8.0*1.0
7.00
7.153
6.917
M8.0*0.75
7.30
7.378
7.188
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
8.917
M11*0.75
10.30
10.378
10.188
M12*1.50
10.50
10.676
10.376
M12*1.25
10.80
10.912
10.647
公制细螺纹
规格
标准径
2级牙钻孔径
最大
最小
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
16.976
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
27.152
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*1.0
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
公制粗螺纹
规格
标准径
2级牙钻孔径
最大
最小
M1.0*0.25
0.75
0.785
0.729
M1.1*0.25
0.85
0.885
0.829
M1.2*0.25
0.95
0.985
0.929
M1.4*0.30
1.00
1.142
1.075
M1.6*0.35
1.25
1.321
1.221
M1.7*0.35
1.35
1.421
1.321
M1.8*0.35
1.45
1.521
1.421
M2.0*0.40
1.60
1.679
1.567
M2.2*0.45
1.75
1.838
1.713
M2.3*0.40
1.90
1.979
1.867
M2.5*0.45
2.10
2.138
2.013
M2.6*0.45
2.20
2.238
2.113
M3.0*0.50
2.50
2.599
2.459
M3.0*0.60
2.40
2.440
2.280
M3.5*0.60
2.90
3.010
2.850
M4.0*0.70
3.30
3.422
3.242
M4.0*0.75
3.25
3.326
3.106
M4.5*0.75
3.80
3.878
3.688
M5.0*0.80
4.20
4.334
4.134
M5.0*0.90
4.10
4.170
3.930
M6.0*1.00
5.00
5.153
4.917
M7.0*1.00
6.00
6.153
5.917
M8.0*1.25
6.80
6.912
6.647
M9.0*1.25
7.80
7.912
7.647
M10*1.50
8.50
8.676
8.376
M11*1.50
9.50
9.676
9.376
M12*1.75
10.30
10.441
10.160
M14*2.00
12.00
12.210
11.835
M16*2.00
14.00
14.210
13.835
M18*2.50
15.50
15.744
15.294
M20*2.50
17.50
17.744
17.294
M22*2.50
19.50
19.744
19.294
M24*3.00
21.00
21.252
20.752
M27*3.00
24.00
24.252
23.752
M30*3.50
26.50
26.771
26.211
美制细螺纹
规格(UNF)
标准径
2级牙钻孔径
最大
最小
No0-80(1.524)
1.25
1.305
1.182
No1-72(1.854)
1.55
1.612
1.474
No2-64(2.184)
1.85
1.912
1.756
No3-58(2.515)
2.10
2.197
2.025
No4-48(2.845)
2.40
2.458
2.271
No5-44(3.175)
2.70
2.740
2.551
No6-40(3.506)
2.90
3.022
2.820
No8-36(4.166)
3.50
3.606
3.404
No10-32(4.826)
4.10
4.165
3.963
No12-28(5.846)
4.60
4.724
4.496
1/4-28
5.50
5.588
5.360
5/16-24
6.90
7.035
6.782
3/8-24
8.50
8.636
8.382
7/16-20
9.90
10.033
9.729
1/2-20
11.50
11.607
11.329
9/16-18
12.90
13.081
12.751
5/8-18
14.50
14.681
14.351
3/4-16
17.50
17.678
17.323
7/8-14
20.50
20.575
20.270
1-12
23.20
23.571
23.114
1-1/8-12
26.50
26.746
26.289
1-1/4-12
29.50
29.921
29.464
1-3/8-12
32.80
33.096
32.639
1-1/2-12
36.00
36.271
35.814
美制特细螺纹
规格(UNC)
标准径
2级牙钻孔径
最大
最小
No12-32
4.700
4.826
4.623
1/4-32
5.600
5.690
5.486
5/16-32
7.100
7.264
7.087
3/8-32
8.700
8.865
8.661
7/16-28
10.200
10.338
10.135
1/2-28
11.800
11.938
11.709
9/16-24
13.200
13.386
13.132
5/8-24
14.800
14.986
14.732
3/4-20
17.800
17.958
17.678
7/8-20
21.000
21.133
20.853
1-20
24.000
24.308
24.028
美制粗螺纹
规格(UNC)
标准径
2级牙钻孔径
最大
最小
No1-64(1.854)
1.55
1.582
1.425
No2-56(2.184)
1.80
1.871
1.695
No3-48(2.515)
2.10
2.146
1.941
No4-40(2.845)
2.30
2.385
2.157
No5-40(3.175)
2.60
2.697
2.487
No6-32(3.505)
2.80
2.895
2.642
No8-32(4.166)
3.40
3.530
3.302
No10-24(4.826)
3.90
3.962
3.683
No12-24(5.486)
4.50
4.597
4.344
1/4-20
5.10
5.257
4.979
5/16-18
6.60
6.731
6.401
3/8-16
8.00
8.153
7.798
7/16-14
9.40
9.550
9.144
1/2-13
10.80
11.023
10.592
9/16-12
12.20
12.446
11.989
5/8-11
13.60
12.868
13.386
3/4-10
16.50
18.840
16.307
7/8-9
19.50
19.761
19.177
1-8
22.20
22.606
21.971
1-1/8-7
25.00
25.349
24.638
1-1/4-7
28.20
28.524
27.813
1-3/8-6
30.80
31.115
30.353
1-1/2-6
34.00
34.290
33.528
1-3/4-5
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
5.10
5.00
W5/16-18
6.60
6.50
W3/8-16
8.00
7.90
W7/16-14
9.40
9.30
W1/2-12
10.70
10.50
W9/16-12
12.30
12.00
W5/8-11
13.70
12.50
W3/4-10
16.70
13.50
W7/8-9
19.50
16.50
W1-8
22.40
19.30
W1-1/8-7
25.00
24.80
W1-1/4-7
28.30
28.00
英制管螺纹
规格
标准径
钻孔径
最大
最小
PS1/16-28
6.50
6.632
6.490
PS1/8-28
8.50
8.637
8.495
PS1/4-19
11.40
11.549
11.341
PS3/8-19
15.00
15.054
14.846
PS1/2-14
18.50
18.773
18.489
PS3/4-14
24.00
24.259
23.975
PS1-11
30.20
30.471
30.111
PS1-1/4-11
38.80
39.132
38.772
PS1-1/2-11
44.80
45.025
44.665
PS2-11
56.50
56.836
56.476
英制管螺纹
规格
标准径
有效牙部之长度(最小)中之毋螺牙内径
标准长度(最小)中之毋螺牙内径
使用绞刀时
不使用绞刀时
PT1/16-28
6.10
6.20
6.244
6.384
PT1/8-28
8.10
8.20
8.249
8.388
PT1/4-19
10.70
11.00
10.962
11.174
PT3/8-19
14.20
14.50
14.448
14.658
PT1/2-14
17.60
18.00
17.979
18.263
PT3/4-14
23.00
23.50
23.378
23.663
PT1-11
29.00
29.50
29.459
29.822
PT1-1/4-11
37.50
38.00
37.976
38.339
PT1-1/211
43.40
44.00
43.869
44.232
PT2-11
54.90
55.50
55.412
55.844
英制管螺纹
规格
钻孔径
NPT
NPS
使用绞刀时
不使用绞刀时
1/16-27
6.10
6.25
6.35
1/8-27
8.33
8.43
8.74
1/4-18
10.72
11.13
11.13
3/8-18
14.27
14.27
14.68
1/2-14
17.48
17.86
18.26
3/4-14
22.63
23.01
23.42
1-11-1/2
28.58
28.98
29.36
1-1/4-11-1/2
37.31
37.69
38.10
1-1/2-11-1/2
43.66
44.04
44.45
2-11-1/2
55.58
55.96
56.36
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- 螺丝 牙钻 孔径 滚造径 对照