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| EN14399-4 High-Strength Structural Bolts-NINGBO BOLT |
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EN 14399-4 System HV Bolting Assemblies
Dimensional Standard of Bolts per EN 14399-4
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Size. |
Pitch (p) |
Width across corner (e) |
Width across Flat (s) |
Thickness of head (k) |
Thread Length (b) |
da |
dw |
Shank diameter (ds) |
Radius under head ( r ) |
Washer height (c) |
Major Diameter (D) |
Pitch Diameter (D1) |
Minor Diameter (D2) |
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Dia. |
MM |
Min |
Min |
Max |
Min |
Max |
Min |
Max |
Max |
Min |
Min |
Max |
Min |
Min |
Max |
MM |
Min |
Min |
Max |
Min |
|
M16 |
2.0 |
29.56 |
26.16 |
27.00 |
9.25 |
10.75 |
28.00 |
30.00 |
19.20 |
24.90 |
15.30 |
16.70 |
1.20 |
0.4 |
0.6 |
15.68 |
15.96 |
14.50 |
14.60 |
13.80 |
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M20 |
2.5 |
35.03 |
31.00 |
32.00 |
12.10 |
13.90 |
33.00 |
35.50 |
24.00 |
29.50 |
19.16 |
20.84 |
1.50 |
0.4 |
0.8 |
19.62 |
19.96 |
18.15 |
18.25 |
17.25 |
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M22 |
2.5 |
39.55 |
35.00 |
36.00 |
13.10 |
14.90 |
34.00 |
36.50 |
26.00 |
33.30 |
21.16 |
22.84 |
1.50 |
0.4 |
0.8 |
21.62 |
21.96 |
20.15 |
20.25 |
19.25 |
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M24 |
3.0 |
45.20 |
40.00 |
41.00 |
14.10 |
15.90 |
39.00 |
43.00 |
28.00 |
38.00 |
23.16 |
24.84 |
1.50 |
0.4 |
0.8 |
23.58 |
23.95 |
21.80 |
21.90 |
20.70 |
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M27 |
3.0 |
50.85 |
45.00 |
46.00 |
16.10 |
17.90 |
41.00 |
45.00 |
32.00 |
42.80 |
26.16 |
27.84 |
2.00 |
0.4 |
0.8 |
26.58 |
26.95 |
24.80 |
24.90 |
23.70 |
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M30 |
3.5 |
55.37 |
49.00 |
50.00 |
17.95 |
20.05 |
44.00 |
49.50 |
35.00 |
46.60 |
29.16 |
30.84 |
2.00 |
0.4 |
0.8 |
29.52 |
29.95 |
27.50 |
27.60 |
26.16 |
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M36 |
4.0 |
66.44 |
58.80 |
60.00 |
21.95 |
24.05 |
52.00 |
59.00 |
41.00 |
55.90 |
35.00 |
37.00 |
2.00 |
0.5 |
1.0 |
4.00 |
66.44 |
58.80 |
60.00 |
21.95 |
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M39 |
4.0 |
71.30 |
63.10 |
65.00 |
23.95 |
26.05 |
68.00 |
75.00 |
45.00 |
60.00 |
38.00 |
40.00 |
2.50 |
0.5 |
1.0 |
38.46 |
38.94 |
36.20 |
36.30 |
34.61 |
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M42 |
4.5 |
76.95 |
68.10 |
70.00 |
24.95 |
27.05 |
74.00 |
82.50 |
48.00 |
64.70 |
41.00 |
43.00 |
2.50 |
0.5 |
1.0 |
41.44 |
41.94 |
38.80 |
38.90 |
37.07 |
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M45 |
4.5 |
82.60 |
73.10 |
75.00 |
26.95 |
29.05 |
76.00 |
84.50 |
52.00 |
69.45 |
44.00 |
46.00 |
3.00 |
0.5 |
1.0 |
44.44 |
44.94 |
41.80 |
41.90 |
40.07 |
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M48 |
5.0 |
88.25 |
78.10 |
80.00 |
28.95 |
31.05 |
82.00 |
92.00 |
55.00 |
74.20 |
47.00 |
49.00 |
3.00 |
0.5 |
1.0 |
47.40 |
47.93 |
44.50 |
44.60 |
42.52 |
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M56 |
5.5 |
99.20 |
87.80 |
90.00 |
33.75 |
36.25 |
90.00 |
101.50 |
64.20 |
83.40 |
54.80 |
57.20 |
3.50 |
0.5 |
1.0 |
55.36 |
55.92 |
52.10 |
52.20 |
49.97 |
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M64 |
6.0 |
110.50 |
97.80 |
100.00 |
38.75 |
41.25 |
100.00 |
113.00 |
73.20 |
92.90 |
62.80 |
65.20 |
4.00 |
0.5 |
1.0 |
63.32 |
63.92 |
59.80 |
59.90 |
57.42 |
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