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Hexagon socket head cap screws |
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Applications |
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Hexagon bolts are the most widely used class of bolts. With the nut, the use of threaded connections to make two parts into a whole. Are detachable connections. Fine-tooth bolt self-locking performance, used by the greater impact of vibration or alternating load parts, can also be used for fine-tuning institutions. |
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Basic parameters |
● Material: carbon steel alloy steel
● Specification：M10-M100(/3/8″-4″)
● Length：20mm～1500mm
● Grade：
● Steel ISO898:4.6～12.9;ASTM A307、A325、A354、A449、A490; J429 Gr.2-Gr.8
● Surface: black, galvanized, hot-dip galvanized, Dacromet, Teflon and so on |
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Type size and mark example |
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Parameters Table |
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Preferred thread size(mm) |
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Thread size(d) |
M1.6 |
M2 |
M2.5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
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P1) |
0.35 |
0.4 |
0.45 |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
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b reference |
2) |
9 |
10 |
11 |
12 |
14 |
16 |
18 |
22 |
26 |
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3) |
15 |
16 |
17 |
18 |
20 |
22 |
24 |
28 |
32 |
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4) |
28 |
29 |
30 |
31 |
33 |
35 |
37 |
41 |
45 |
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c |
max |
0.25 |
0.25 |
0.25 |
0.40 |
0.40 |
0.50 |
0.50 |
0.60 |
0.60 |
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min |
0.10 |
0.10 |
0.10 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
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da |
max |
2 |
2.6 |
3.1 |
3.6 |
4.7 |
5.7 |
6.8 |
9.2 |
11.2 |
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ds |
Nominal=max |
1.60 |
2.00 |
2.50 |
3.00 |
4.00 |
5.00 |
6.00 |
8.00 |
10.00 |
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min |
Product quality |
A |
1.46 |
1.86 |
2.36 |
2.86 |
3.82 |
4.82 |
5.82 |
7.78 |
9.78 |
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B |
1.35 |
1.75 |
2.25 |
2.75 |
3.70 |
4.70 |
5.70 |
7.64 |
9.64 |
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dw |
min |
Product quality |
A |
2.27 |
3.07 |
4.07 |
4.57 |
5.88 |
6.88 |
8.88 |
11.63 |
14.63 |
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B |
2.3 |
2.95 |
3.95 |
4.45 |
5.74 |
6.74 |
8.74 |
11.47 |
14.47 |
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e |
min |
Product quality |
A |
3.41 |
4.32 |
5.45 |
6.01 |
7.66 |
8.79 |
11.05 |
14.38 |
17.77 |
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B |
3.28 |
4.18 |
5.31 |
5.88 |
7.50 |
8.63 |
10.89 |
14.20 |
17.59 |
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Thread size(d) |
M1.6 |
M2 |
M2.5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
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lf |
max |
0.6 |
0.8 |
1 |
1 |
1.2 |
1.2 |
1.4 |
2 |
2 |
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k |
Nominal |
1.1 |
1.4 |
1.7 |
2 |
2.8 |
3.5 |
4 |
5.3 |
6.4 |
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Product quality |
A |
max |
1.225 |
1.525 |
1.825 |
2.125 |
2.925 |
3.65 |
4.15 |
5.45 |
6.58 |
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min |
0.975 |
1.275 |
1.575 |
1.875 |
2.675 |
3.35 |
3.85 |
5.15 |
6.22 |
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B |
max |
1.3 |
1.6 |
1.9 |
2.2 |
3.0 |
3.26 |
4.24 |
5.54 |
6.69 |
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min |
0.9 |
1.2 |
1.5 |
1.8 |
2.6 |
2.35 |
3.76 |
5.06 |
6.11 |
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kw |
min |
Product quality |
A |
0.68 |
0.89 |
1.10 |
1.31 |
1.87 |
2.35 |
2.70 |
3.61 |
4.35 |
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B |
0.63 |
0.84 |
1.05 |
1.26 |
1.82 |
2.28 |
2.63 |
3.54 |
4.28 |
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r |
min |
0.1 |
0.1 |
0.1 |
0.1 |
0.2 |
0.2 |
0.25 |
0.4 |
0.4 |
s
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Nominal=max |
3.20 |
4.00 |
5.00 |
5.50 |
7.00 |
8.00 |
10.00 |
13.00 |
16.00 |
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min |
Product quality |
A |
3.02 |
3.82 |
4.82 |
5.32 |
6.78 |
7.78 |
9.78 |
12.73 |
15.73 |
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B |
2.90 |
3.70 |
4.70 |
5.20 |
6.64 |
7.64 |
9.64 |
12.57 |
15.57 |
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