Feedback
ASTM A320 Rods Specification
ASTM A320 Threaded Rods
ASTM A320M Metric Threaded Rods
D - the nominal diameter of the thread
Dimensions of ASTM A320M – Metric Threaded Rods
ISO Metric
Pitch
External Threads
Thread Designation
Tolerance
Major Dia
Pitch Dia
Minor Dia
Class
Max
Min
M1.6 x 0.35
0.35
6g
1.581
1.496
1.354
1.291
1.202
1.075
M1.6 x 0.3
0.3
1.582
1.507
1.387
1.342
1.257
1.157
M1.6 x 0.2
0.2
1.583
1.527
1.453
1.403
1.366
1.28
M1.7 x 0.35
1.681
1.596
1.454
1.391
1.302
1.175
M1.8 x 0.35
1.781
1.696
1.554
1.491
1.402
1.275
M1.8 x 0.2
1.783
1.727
1.653
1.603
1.566
1.48
M2 x 0.4
0.4
1.981
1.886
1.721
1.654
1.548
1.408
M2 x 0.25
0.25
1.982
1.915
1.82
1.764
1.711
1.61
M2.2 x 0.45
0.45
2.18
2.08
1.888
1.817
1.693
1.54
M2.2 x 0.25
2.182
2.115
2.02
1.964
1.911
1.81
M2.3 x 0.45
2.28
1.988
1.917
1.793
1.64
M2.3 x 0.4
2.281
2.186
2.021
1.954
1.848
1.708
M2.5 x 0.45
2.48
2.38
2.188
2.117
1.993
1.84
M2.5 x 0.35
2.481
2.396
2.254
2.191
2.102
1.975
M2.6 x 0.45
2.58
2.288
2.217
2.093
1.94
M3 x 0.5
0.5
2.98
2.874
2.655
2.439
2.272
M3 x 0.35
2.981
2.896
2.754
2.687
2.602
2.471
M3.5 x 0.6
0.6
3.479
3.354
3.089
3.004
2.829
2.635
M3.5 x 0.35
3.481
3.396
3.254
3.187
3.102
2.971
M4 x 0.7
0.7
3.978
3.838
3.523
3.433
3.22
3.002
M4 x 0.5
3.98
3.874
3.655
3.58
3.439
3.272
M4.5 x 0.75
0.75
4.478
4.338
3.991
3.901
3.666
M4.5 x 0.5
4.48
4.374
4.155
4.08
3.939
3.772
M5 x 0.8
0.8
4.976
4.826
4.456
4.361
4.11
3.869
M5 x 0.5
4.98
4.874
4.655
4.58
4.439
4.272
M5.5 x 0.5
5.48
5.374
5.155
5.065
4.939
4.757
M6 x 1
1
5.974
5.794
5.324
5.212
4.891
4.596
M6 x 0.8
5.976
5.826
5.456
5.376
5.11
4.884
M6 x 0.75
5.978
5.838
5.491
5.391
5.166
4.929
M6 x 0.7
5.523
5.428
5.22
4.997
M6 x 0.5
5.98
5.874
5.655
5.57
5.439
5.262
M7 x 1
6.974
6.794
6.324
6.212
5.891
5.596
M7 x 0.75
6.978
6.838
6.491
6.391
6.166
5.929
M7 x 0.5
6.98
6.874
6.655
6.57
6.439
6.262
M8 x 1.25
1.25
7.972
7.76
7.16
7.042
6.619
6.272
M8 x 1
7.974
7.794
7.324
7.212
6.891
6.596
M8 x 0.8
7.976
7.826
7.456
7.35
7.11
6.858
M8 x 0.75
7.978
7.838
7.491
7.391
7.166
6.929
M8 x 0.5
7.98
7.874
7.655
7.57
7.439
7.262
M9 x 1.25
8.972
8.76
8.16
8.042
7.619
7.272
M9 x 1
8.974
8.794
8.324
8.212
7.891
7.596
M9 x 0.75
8.978
8.838
8.491
8.391
8.166
7.929
M9 x 0.5
8.98
8.874
8.655
8.57
8.439
8.262
M10 x 1.5
1.5
9.968
9.732
8.994
8.862
8.344
7.938
M10 x 1.25
9.972
9.76
9.16
9.042
8.619
8.272
M10 x 1.12
1.12
9.973
9.783
9.246
9.128
8.761
8.438
M10 x 1
9.974
9.794
9.324
9.212
8.891
8.596
M10 x 0.75
9.978
9.838
9.491
9.391
9.166
8.929
M10 x 0.5
9.98
9.874
9.655
9.57
9.439
9.262
M11 x 1.5
10.968
10.732
9.994
9.862
9.344
8.938
M11 x 1
10.974
10.794
10.324
10.212
9.891
9.596
M11 x 0.75
10.978
10.838
10.491
10.391
10.166
9.929
M11 x 0.5
10.98
10.874
10.655
10.57
10.439
10.262
M12 x 1.75
1.75
11.966
11.701
10.829
10.679
10.072
9.601
M12 x 1.5
11.968
11.732
10.994
10.854
10.344
9.93
M12 x 1.25
11.972
11.76
11.16
11.028
10.619
10.258
M12 x 1
11.974
11.794
11.324
11.206
10.891
10.59
M12 x 0.75
11.978
11.838
11.491
11.385
11.166
10.923
M12 x 0.5
11.98
11.874
11.655
11.565
11.439
11.257
M14 x 2
2
13.962
13.682
12.663
12.503
11.797
11.271
M14 x 1.5
13.968
13.732
12.994
12.854
12.344
11.93
M14 x 1.25
13.972
13.76
13.16
13.028
12.619
12.258
M14 x 1
13.974
13.794
13.324
13.206
12.891
12.59
M14 x 0.75
13.978
13.838
13.491
13.385
13.166
12.923
M14 x 0.5
13.98
13.874
13.655
13.565
13.439
13.257
M15 x 1.5
14.968
14.732
13.994
13.854
13.344
12.93
M15 x 1
14.974
14.794
14.324
14.206
13.891
13.59
M16 x 2
15.962
15.682
14.663
14.503
13.797
13.271
M16 x 1.6
1.6
15.968
15.756
14.929
14.824
14.236
M16 x 1.5
15.732
14.994
14.854
14.344
13.93
M16 x 1.25
15.972
15.76
15.16
15.028
14.619
14.258
M16 x 1
15.974
15.794
15.324
15.206
14.891
14.59
M16 x 0.75
15.978
15.838
15.491
15.385
15.166
14.923
M16 x 0.5
15.98
15.874
15.655
15.565
15.439
15.257
M17 x 1.5
16.968
16.732
15.994
15.854
15.344
14.93
M17 x 1
16.974
16.794
16.324
16.206
15.891
15.59
M18 x 2.5
2.5
17.958
17.623
16.334
16.164
15.252
14.624
M18 x 2
17.962
17.682
16.663
16.503
15.797
15.271
M18 x 1.5
17.968
17.732
16.994
16.854
16.344
15.93
M18 x 1.25
17.972
17.76
17.16
17.028
16.619
16.258
M18 x 1
17.974
17.794
17.324
17.206
16.891
16.59
M18 x 0.75
17.978
17.838
17.491
17.385
17.166
16.923
M18 x 0.5
17.98
17.874
17.655
17.565
17.439
17.257
M20x2.5
19.958
19.623
18.334
18.164
17.252
16.624
M20x2
2.0
19.962
19.682
18.663
18.503
17.797
17.271
M20x1.5
19.968
19.732
18.994
18.854
18.344
17.930
M20x1
1.0
19.974
19.794
19.324
19.206
18.891
18.590
M20x0.75
19.978
19.838
19.491
19.385
19.166
18.923
M20x0.5
19.980
19.874
19.655
19.565
19.439
19.257
M22x3
3.0
21.952
21.577
20.003
19.818
18.704
17.970
M22x2.5
21.958
21.623
20.334
20.164
19.252
18.624
M22x2
21.962
21.682
20.663
20.503
19.797
19.271
M22x1.5
21.968
21.732
20.994
20.854
20.344
19.930
M22x1
21.974
21.794
21.324
21.206
20.891
20.590
M22x0.75
21.978
21.838
21.491
21.385
21.166
20.923
M22x0.5
21.980
21.874
21.655
21.565
21.439
21.257
M24x3
23.952
23.577
22.003
21.803
20.704
19.955
M24x2.5
23.958
23.623
22.334
22.144
21.252
20.604
M24x2
23.962
23.682
22.663
22.493
21.797
21.261
M24x1.5
23.968
23.732
22.994
22.844
22.344
21.920
M24x1
23.974
23.794
23.324
23.199
22.891
22.583
M24x0.75
23.978
23.838
23.491
23.379
23.166
22.917
M25x2
24.962
24.682
23.663
23.493
22.797
22.261
M25x1.5
24.968
24.732
23.994
23.844
23.344
22.920
M25x1
24.974
24.794
24.324
24.199
23.891
23.583
M26x1.5
25.968
25.732
24.994
24.844
24.344
23.920
M27x3
26.952
26.577
25.003
24.803
23.704
22.955
M27x2
26.962
26.682
25.663
25.493
24.797
24.261
M27x1.5
26.968
26.732
25.994
25.844
25.344
24.920
M27x1
26.974
26.794
26.324
26.199
25.891
25.583
M27x0.75
26.978
26.838
26.491
26.379
26.166
25.917
M28x2
27.962
27.682
26.663
26.493
25.797
25.261
M28x1.5
27.968
27.732
26.994
26.844
26.344
25.920
M28x1
27.974
27.794
27.324
27.199
26.891
26.583
M30x3.5
3.5
29.947
29.522
27.674
27.462
26.158
25.306
M30x3
29.952
29.577
28.003
27.803
26.704
25.955
M30x2.5
29.958
29.623
28.334
28.144
27.252
26.604
M30x2
29.962
29.682
28.663
28.493
27.797
27.261
M30x1.5
29.968
29.732
28.994
28.844
28.344
27.920
M30x1
29.974
29.794
29.324
29.199
28.891
28.583
M30x0.75
29.978
29.838
29.491
29.379
29.166
28.917
M32x2
31.962
31.682
30.663
30.493
29.797
29.261
M32x1.5
31.968
31.732
30.994
30.844
30.344
29.920
M33x3.5
32.968
32.543
30.695
30.483
29.179
28.327
M33x3
32.952
32.577
31.003
30.803
29.704
28.955
M33x2
32.962
32.682
31.663
31.493
30.797
30.261
M33x1.5
32.732
31.994
31.844
31.344
30.920
M33x1
32.974
32.794
32.324
32.199
31.891
31.583
M33x0.75
32.978
32.838
32.491
32.379
32.166
31.917
M35x1.5
34.968
34.732
33.994
33.844
33.344
33.920
M36x4
4.0
35.940
35.465
33.342
33.118
31.610
30.654
M36x3
35.952
35.577
34.003
33.803
32.704
31.955
M36x2
35.962
35.682
34.663
34.493
33.797
33.261
M36x1.5
35.968
35.732
34.994
34.844
34.344
M36x1
35.974
35.794
35.324
35.199
34.891
34.583
M38x1.5
37.968
37.732
36.994
36.844
36.344
35.920
M39x4
38.940
38.465
36.342
36.118
34.610
33.654
M39x3
38.952
38.577
37.003
36.803
35.704
34.955
M39x2
38.962
38.682
37.663
37.493
36.797
36.261
M39x1.5
38.968
38.732
37.994
37.844
37.344
36.920
M39x1
38.974
38.794
38.324
38.199
37.891
37.583
M40x3
39.952
39.577
38.003
37.803
36.704
35.955
M40x2.5
39.958
39.623
38.334
38.144
37.252
36.604
M40x2
39.962
39.682
38.663
38.493
37.797
37.261
M40x1.5
39.968
39.732
38.994
38.844
38.344
37.920
M42x4.5
4.5
41.937
41.437
39.014
38.778
37.066
36.006
M42x4
41.940
41.465
39.342
39.118
37.610
36.654
M42x3
41.952
41.577
40.003
39.803
38.704
37.955
M42x2
41.962
41.682
40.663
40.493
39.797
39.261
M42x1.5
41.968
41.732
40.994
40.844
40.344
39.920
M42x1
41.974
41.794
41.324
41.199
40.891
40.583
M45x4.5
44.937
44.437
42.014
41.778
40.066
39.006
M45x4
44.940
44.465
42.342
42.118
40.610
39.654
M45x3
44.952
44.577
43.003
42.803
41.704
40.955
M45x2
44.962
44.682
43.663
43.493
42.797
42.261
M45x1.5
44.968
44.732
43.994
43.844
43.344
42.920
M45x1
44.974
44.794
44.324
44.199
43.891
43.583
M48x5
5.0
47.929
47.399
44.681
44.431
42.516
41.351
M48x4
47.940
47.465
45.342
45.106
43.610
42.642
M48x3
47.952
47.577
46.003
45.791
44.704
43.943
M48x2
47.962
47.682
46.663
46.483
45.797
45.251
M48x1.5
47.968
47.732
46.994
46.834
46.344
45.910
M50x4
49.940
49.465
47.342
47.106
45.610
44.642
M50x3
49.952
49.577
48.003
47.791
46.704
45.943
M50x2
49.962
49.682
48.663
48.483
47.797
47.251
M50x1.5
49.968
49.732
48.994
48.834
48.344
47.910
M52x5
51.929
51.399
48.681
48.445
46.516
45.365
M52x4
51.940
51.465
49.342
49.106
47.610
46.642
M52x3
51.952
51.577
50.003
49.791
48.704
47.943
M52x2
51.962
51.682
50.663
50.483
49.797
49.251
M52x1.5
51.968
51.732
50.994
50.834
50.344
49.910
M55x4
54.940
54.465
52.342
52.106
50.610
49.642
M55x3
54.952
54.577
53.003
52.791
51.704
50.943
M55x2
54.962
54.682
53.663
53.483
52.797
52.251
M55x1.5
54.968
54.732
53.994
53.834
53.344
52.910
M56x6.5
6.5
55.915
55.285
51.693
51.393
48.879
47.389
M56x5.5
5.5
55.925
55.365
52.353
52.088
49.971
48.700
M56x4
55.940
55.465
53.342
53.106
51.610
50.642
M56x3
55.952
55.577
54.003
53.791
52.704
51.943
M56x2
55.962
55.682
54.663
54.483
53.797
53.251
M56x1.5
55.968
55.732
54.994
54.834
54.344
53.910
M56x1
55.974
55.794
55.324
55.184
54.891
54.568
M58x4
57.940
57.465
55.342
55.106
53.610
52.642
M58x3
57.952
57.577
56.003
55.791
54.704
53.943
M58x2
57.962
57.682
56.663
56.483
55.797
55.251
M58x1.5
57.968
57.732
56.994
56.834
56.344
55.910
M60x5.5
59.925
59.365
56.353
56.088
53.971
52.700
M60x4
59.940
59.465
57.342
57.106
55.610
54.642
M60x3
59.952
59.577
58.003
57.791
56.704
55.943
M60x2
59.962
59.682
58.663
58.483
57.797
57.251
M60x1.5
59.968
59.732
58.994
58.834
58.344
57.910
M60x1
59.974
59.794
59.324
59.184
58.891
58.568
M62x4
61.940
61.465
59.342
59.106
57.610
56.642
M62x3
61.952
61.577
60.003
59.791
58.704
57.943
M62x2
61.962
61.682
60.663
60.483
59.797
59.251
M62x1.5
61.968
61.732
60.994
60.834
60.344
59.910
M63x1.5
62.968
62.732
61.994
61.834
61.344
60.910
M64x6
6.0
63.920
63.320
60.023
59.743
57.425
56.047
M64x5.5
63.925
63.365
60.353
60.088
57.971
56.700
M64x4
63.940
63.465
61.342
61.106
59.610
58.642
M64x3
63.952
63.577
62.003
61.791
60.704
59.943
M64x2
63.962
63.682
62.663
62.483
61.797
61.251
M64x1.5
63.968
63.732
62.994
62.834
62.344
61.910
M64x1
63.974
63.794
63.324
63.184
62.891
62.568
M65x4
64.940
64.465
62.342
62.106
60.610
59.642
M65x3
64.952
64.577
63.003
62.791
61.704
60.943
M65x2
64.962
64.682
63.663
63.483
62.797
62.251
M65x1.5
64.968
64.732
63.994
63.834
63.344
62.910
M68x6
67.920
67.320
64.023
63.743
61.425
60.047
M68x4
67.940
67.465
65.342
65.106
63.610
62.642
M68x3
67.952
67.577
66.003
65.791
64.704
63.943
M68x2
67.962
67.682
66.663
66.483
65.797
65.251
M68x1.5
67.968
67.732
66.994
66.834
66.344
65.910
M68x1
67.974
67.794
67.324
67.184
66.891
66.568
M70x6
69.920
69.320
66.023
65.743
63.425
62.047
M70x4
69.940
69.465
67.342
67.106
65.610
64.642
M70x3
69.952
69.577
68.003
67.791
66.704
65.943
M70x2
69.962
69.682
68.663
68.483
67.797
67.251
M70x1.5
69.968
69.732
68.994
68.834
68.344
67.910
M72x6
71.920
71.320
68.023
67.743
65.425
64.047
M72x4
71.940
71.465
69.342
69.106
67.610
66.642
M72x3
71.952
71.577
70.003
69.791
68.704
67.943
M72x2
71.962
71.682
70.663
70.483
69.797
69.251
M72x1.5
71.968
71.732
70.994
70.834
70.344
69.910
M72x1
71.974
71.794
71.324
71.184
70.891
70.568
M75x6
74.920
74.320
71.023
70.743
68.425
67.047
M75x4
74.940
74.465
72.342
72.106
70.610
69.642
M75x3
74.952
74.577
73.003
72.791
71.704
70.943
M75x2
74.962
74.682
73.663
73.483
72.797
72.251
M75x1.5
74.968
74.732
73.994
73.834
73.344
72.910
M76x6
75.920
75.320
72.023
71.743
69.425
68.047
M76x4
75.940
75.465
73.342
73.106
71.610
70.642
M76x3
75.952
75.577
74.003
73.791
72.704
71.943
M76x2
75.962
75.682
74.663
74.483
73.797
73.251
M76x1.5
75.968
75.732
74.994
74.834
74.344
73.910
M76x1
75.974
75.794
75.324
75.184
74.891
74.568
M78x2
77.962
77.682
76.663
76.483
75.797
75.251
M80x6
79.920
79.320
76.023
75.743
73.425
72.047
M80x4
79.940
79.340
77.342
77.106
75.610
74.642
M80x3
79.952
79.577
78.003
77.791
76.704
75.943
M80x2
79.962
79.682
78.663
78.483
77.797
77.251
M80x1.5
79.968
79.732
78.994
78.834
78.344
77.910
M80x1
79.974
79.794
79.324
79.184
78.891
78.568
M82x2
81.962
81.682
80.663
80.483
79.797
79.251
M85x6
84.920
84.320
81.023
80.743
78.425
77.047
M85x4
84.940
84.465
82.342
82.106
80.610
79.642
M85x3
84.952
84.577
83.003
82.791
81.704
80.943
M85x2
84.962
84.682
83.663
83.483
82.797
82.251
M85x1.5
84.968
84.732
83.994
83.834
83.344
82.910
M90x6
89.920
89.320
86.023
85.743
83.425
82.047
M90x4
89.940
89.465
87.342
87.106
85.610
84.642
M90x3
89.952
89.577
88.003
87.791
86.704
85.943
M90x2
89.962
89.682
88.663
88.483
87.797
87.251
M90x1.5
89.968
89.732
88.994
88.834
88.344
87.910
M95x6
94.920
94.320
91.023
90.723
88.425
87.027
M95x4
94.940
94.465
92.342
92.092
90.610
89.628
M95x3
94.952
94.577
93.003
92.779
91.704
90.931
M95x2
94.962
94.682
93.663
93.473
92.797
92.241
M95x1.5
94.968
94.732
93.994
93.814
93.344
92.890
M100x6
99.920
99.320
96.023
95.723
93.425
92.027
M100x4
99.940
99.465
97.342
97.092
95.610
94.628
M100x3
99.952
99.577
98.003
97.779
96.704
95.931
M100x2
99.962
99.682
98.663
98.473
97.797
97.241
M100x1.5
99.968
99.732
98.994
98.814
98.344
97.890
QR Code
Bolts Nuts Threaded Studs Washers
Bolts
Nuts
Threaded Studs
Washers
NINGBO STEEL BOLT CO., LTD
Address:Panjiashan, Xiepu Town,
Zhenhai, Ningbo, China
TEL: 86-574-86231358
FAX: 86-574-86231338
EMAIL: bolt@ningbo-bolt.com
About us Product News Knowledge Contact Us Feedback Sitemap
Copyright © Ningbo Steel Bolt Co., Ltd All Rights Reserved
