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ISO Metric Screw Threads (Coarse Pitch Series) - Dimension Chart

*** All dimensions are given in millimeters.

Nominal Size
Pitch
Major Diameter
-
Male Thread
-
Female Thread
Pitch Diameter
Minor Diameter
Thread Height
Pitch Diameter
Minor Diameter
Thread Height
-
Secondary sizes
Min.
Max.
Min.
Max.
H1=0.61344P
Min.
Max.
Min.
Max.
h1=0.54127P
M1
 -
0.25
1.000
-
0.804
0.838
0.641
0.693
0.1534
-
0.8380
0.8940
0.729
0.785
0.1353
 -
M1.1
0.25
1.100
-
0.904
0.938
0.741
0.793
0.1534
-
0.9380
0.9940
0.829
0.885
0.1353
M1.2
 -
0.25
1.200
-
1.004
1.038
0.841
0.893
0.1534
-
1.0380
1.0940
0.929
0.985
0.1353
  -
M1.4
0.3
1.400
-
1.169
1.205
0.974
1.032
0.1840
-
1.2050
1.2650
1.075
1.142
0.1624
M1.6
 -
0.35
1.600
-
1.333
1.373
1.105
1.170
0.2147
-
1.3730
1.4400
1.221
1.301
0.1894
  -
M1.8
0.35
1.800
-
1.533
1.573
1.305
1.370
0.2147
-
1.5730
1.6400
1.421
1.501
0.1894
M2
 -
0.4
2.000
-
1.698
1.740
1.438
1.509
0.2454
-
1.7400
1.8110
1.567
1.657
0.2165
  -
M2.2
0.45
2.200
-
1.863
1.908
1.571
1.648
0.2760
-
1.9080
1.9830
1.713
1.813
0.2436
M2.5
 -
0.45
2.500
-
2.163
2.208
1.871
1.948
0.2760
-
2.2080
2.2830
2.013
2.113
0.2436
M3
 -
0.5
3.000
-
2.627
2.675
2.303
2.387
0.3067
-
2.6750
2.7550
2.459
2.571
0.2706
  -
M3.5
0.6
3.500
-
3.047
3.110
2.668
2.764
0.3681
-
3.1100
3.2000
2.850
2.975
0.3248
M4
 -
0.7
4.000
-
3.489
3.545
3.035
3.141
0.4294
-
3.5450
3.6400
3.242
3.382
0.3789
  -
M4.5
0.75
4.500
-
3.953
4.013
3.470
3.580
0.4601
-
4.0130
4.1080
3.688
3.838
0.4060
M5
 -
0.8
5.000
-
4.420
4.480
3.901
4.019
0.4908
-
4.4800
4.5800
4.134
4.294
0.4330
M6
 -
1
6.000
-
5.279
5.350
4.630
4.773
0.6134
-
5.3500
5.4680
4.917
5.107
0.5413
  -
M7
1
7.000
-
6.279
6.350
5.630
5.773
0.6134
-
6.3500
6.4680
5.917
6.107
0.5413
M8
 -
1.25
8.000
-
7.113
7.188
6.301
6.466
0.7668
-
7.1880
7.3130
6.647
6.859
0.6766
  -
M9
1.25
9.000
-
8.113
8.188
7.301
7.466
0.7668
-
8.1880
8.3130
7.647
7.859
0.6766
M10
 -
1.5
10.000
-
8.941
9.026
7.967
8.160
0.9202
-
9.0260
9.1660
8.376
8.612
0.8119
  -
M11
1.5
11.000
-
9.941
10.026
8.967
9.160
0.9202
-
10.0260
10.1660
9.376
9.612
0.8119
M12
 -
1.75
12.000
-
10.768
10.863
9.632
9.853
1.0735
-
10.8630
11.0230
10.106
10.371
0.9472
  -
M14
2
14.000
-
12.601
12.701
11.302
11.546
1.2269
-
12.7010
12.8710
11.835
12.135
1.0825
M16
 -
2
16.000
-
14.601
14.701
13.302
13.546
1.2269
-
14.7010
14.8710
13.835
14.135
1.0825
  -
M18
2.5
18.000
-
16.270
16.376
14.647
14.933
1.5336
-
16.3760
16.5560
15.294
15.649
1.3532
M20
 -
2.5
20.000
-
18.270
18.376
16.647
16.933
1.5336
-
18.3760
18.5560
17.294
17.649
1.3532
  -
M22
2.5
22.000
-
20.270
20.376
18.647
18.933
1.5336
-
20.3760
20.5560
19.294
19.644
1.3532
M24
 -
3
24.000
-
21.926
22.051
19.978
20.319
1.8403
-
22.0510
22.2630
20.752
21.152
1.6238
  -
M27
3
27.000
-
24.926
25.051
22.978
23.319
1.8403
-
25.0510
25.2630
23.752
24.152
1.6238
M30
 -
3.5
30.000
-
27.595
27.727
25.322
25.706
2.1470
-
27.7270
27.9510
26.211
26.661
1.8944
  -
M33
3.5
33.000
-
30.595
30.727
28.322
28.706
2.1470
-
30.7270
30.9510
29.211
29.661
1.8944
M36
 -
4
36.000
-
33.262
33.402
30.665
31.093
2.4538
-
33.4020
33.6380
31.670
32.145
2.1651
  -
M39
4
39.000
-
36.262
36.402
33.665
34.093
2.4538
-
36.4020
36.6380
34.670
35.145
2.1651
M42
 -
4.5
42.000
-
38.927
39.077
36.004
36.479
2.7605
-
39.0770
39.3270
37.129
37.659
2.4357
  -
M45
4.5
45.000
-
41.927
42.077
39.004
39.479
2.7605
-
42.0770
42.3270
40.129
40.659
2.4357
M48
 -
5
48.000
-
44.592
44.752
41.345
41.866
3.0672
-
44.7520
45.0170
42.857
43.147
2.7064
  -
M52
5
52.000
-
48.592
48.752
45.345
45.866
3.0672
-
48.7520
49.0170
46.587
47.147
2.7064
M56
 -
5.5
56.000
-
52.258
52.428
48.685
49.252
3.3739
-
52.4280
52.7080
50.046
50.646
2.9770
  -
M60
5.5
60.000
-
56.258
56.428
52.685
53.252
3.3739
-
56.4280
56.7080
54.046
54.646
2.9770
M64
 -
6
64.000
-
59.923
60.103
56.026
56.639
3.6806
-
60.1030
60.4030
57.505
58.135
3.2476
  -
M68
6
68.000
-
63.923
64.103
60.026
60.639
3.6806
-
64.1030
64.4030
61.505
62.135
3.2476

 

***** The above data sheet can be used for information purpose only. No responsibility can be accepted for errors or omissions by whatever cause.

 

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Precision Custom Fasteners