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Cover type nut |
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Applications |
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Used with bolts and screws. |
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Basic parameters |
● Material: Carbon Steel Alloy Steel Stainless Steel
● Specification：M10-M100(/3/8″-4″)
● Grade:
● Steel ISO898:4～12;A194/A194M: 2H、2HM;ASTM A563 A563M
● Stainless steel ISO3506：A2(50～80)、A4(50～80)、C1、C3;ASTM A194/A194M
● Surface: black, galvanized, hot-dip galvanized, Dacromet, Teflon and so on |
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Type size and mark example |
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Note: The size code and the label conform toGB/T5276 |
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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 |
M12 |
|
P |
0.35 |
0.4 |
0.45 |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
1.75 |
|
c |
max |
0.20 |
0.20 |
0.30 |
0.40 |
0.40 |
0.50 |
0.50 |
0.60 |
0.60 |
0.60 |
|
min |
0.10 |
0.10 |
0.10 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
|
da |
max |
1.84 |
2.30 |
2.90 |
3.45 |
4.6 |
5.75 |
6.75 |
8.00 |
10.00 |
13.00 |
|
min |
1.60 |
2.00 |
2.50 |
3.00 |
4.00 |
5.00 |
6.00 |
5.720 |
6.860 |
12.00 |
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dw |
min |
2.40 |
3.10 |
4.10 |
4.60 |
5.90 |
6.90 |
8.90 |
11.60 |
14.60 |
16.60 |
|
e |
min |
3.41 |
4.32 |
5.45 |
6.01 |
7.66 |
8.79 |
11.05 |
14.38 |
17.77 |
20.03 |
|
m |
max |
1.30 |
1.60 |
2.00 |
2.40 |
3.20 |
4.70 |
5.20 |
6.80 |
8.40 |
10.80 |
|
min |
1.05 |
1.35 |
1.75 |
2.15 |
2.90 |
4.40 |
4.90 |
6.44 |
8.04 |
10.37 |
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mw |
min |
0.80 |
1.10 |
1.40 |
1.70 |
2.30 |
3.50 |
3.90 |
5.20 |
6.40 |
8.30 |
|
s |
Nominal=max |
3.20 |
4.00 |
5.00 |
5.50 |
7.00 |
8.00 |
10.00 |
13.00 |
16.00 |
18.00 |
|
min |
3.02 |
3.82 |
4.82 |
5.32 |
6.78 |
7.78 |
9.78 |
12.73 |
15.73 |
17.73 |
|
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Thread size(D) |
M16 |
M20 |
M24 |
M30 |
M36 |
M42 |
M48 |
M56 |
M64 |
|
P |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
|
c |
max |
0.8 |
0.8 |
0.8 |
0.8 |
0.8 |
1.0 |
1.0 |
1.0 |
1.0 |
|
min |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.3 |
0.3 |
0.3 |
0.3 |
|
da |
max |
17.3 |
21.6 |
25.9 |
32.4 |
38.9 |
45.4 |
51.8 |
60.5 |
69.1 |
|
min |
16.0 |
20.0 |
24.0 |
30.0 |
36.0 |
42.0 |
48.0 |
56.0 |
64.0 |
|
dw |
min |
22.5 |
27.7 |
33.3 |
42.8 |
51.1 |
60 |
69.5 |
78.7 |
88.2 |
|
e |
min |
26.75 |
32.95 |
39.55 |
50.85 |
60.79 |
71.3 |
82.6 |
93.56 |
104.86 |
|
m |
max |
14.8 |
18.0 |
21.5 |
25.6 |
31.0 |
34.0 |
38.0 |
45.0 |
51.0 |
|
min |
14.1 |
16.9 |
20.2 |
24.3 |
29.4 |
32.4 |
36.4 |
43.4 |
49.1 |
|
mw |
min |
11.3 |
13.5 |
16.2 |
19.4 |
23.5 |
25.9 |
29.1 |
34.7 |
39.3 |
|
s |
Nominal=max |
24.00 |
30.00 |
36 |
46 |
55.0 |
65.0 |
75.0 |
85.0 |
95.0 |
|
min |
23.67 |
29.16 |
35 |
46 |
53.8 |
63.1 |
73.1 |
82.8 |
9.8 |
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P - pitch. |
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