Product Parameters
| According To |
DIN931/933 |
| Strength Grade |
12.9 |
10.9 |
8.8 |
| Hardness |
HRC 39-44 |
HRC 32-39 |
HRC 22-32 |
HRC 23-34 |
| Tensile Strength |
1220N/mm2 |
1040N/mm2 |
800N/mm2 |
830N/mm2 |
| Material |
Alloy Steel |
Carbon Steel |
| Surface Treatment |
Black Oxide |
| Thread Size(d) |
p |
ds |
da |
dw |
e |
k |
r |
s |
| Max |
Min |
Max |
Min |
Min |
Nominal Size |
Toleranca |
Min |
Nominal Size |
Min |
| M3 |
0.5 |
3 |
2.86 |
3.6 |
4.6 |
6.01 |
2 |
±0.12 |
0.1 |
5.5 |
5.32 |
| M4 |
0.7 |
4 |
3.82 |
4.7 |
5.9 |
7.66 |
2.8 |
±0.12 |
0.2 |
7.0 |
6.78 |
| M5 |
0.8 |
5 |
4.82 |
5.7 |
6.9 |
8.79 |
3.5 |
±0.15 |
0.2 |
8.0 |
9.78 |
| M6 |
1 |
6 |
5.82 |
6.8 |
8.9 |
11.05 |
4 |
±0.15 |
0.3 |
10 |
9.78 |
| M8 |
1.25 |
8 |
7.78 |
9.2 |
11.6 |
14.38 |
5.3 |
±0.15 |
0.4 |
13 |
12.73 |
| M10 |
1.5 |
10 |
9.78 |
11.2 |
15.6 |
18.09 |
6.4 |
±0.18 |
0.4 |
17 |
16.73 |
| M12 |
1.75 |
12 |
11.73 |
13.7 |
17.4 |
21.1 |
7.5 |
±0.18 |
0.6 |
19 |
18.67 |
| M16 |
2 |
16 |
15.73 |
17.7 |
22.5 |
26.75 |
10 |
±0.18 |
0.6 |
24 |
23.67 |
| M20 |
2.5 |
20 |
19.67 |
22.4 |
28.2 |
33.53 |
12.5 |
±0.22 |
0.8 |
30 |
29.67 |
| M24 |
3 |
24 |
23.67 |
26.4 |
33.6 |
39.98 |
15 |
±0.22 |
0.8 |
36 |
35.38 |
| M30 |
3.5 |
30 |
29.48 |
33.4 |
42.7 |
50.85 |
18.7 |
- |
1.0 |
46 |
55 |
| M36 |
4 |
36 |
35.38 |
39.4 |
51.1 |
60.79 |
22.5 |
- |
1.0 |
55 |
53.8 |
FAQ:
1.What other similar products do you offer?
Stud bolts,Heavy Hex Nuts,Structure nuts,Hex nuts, Thread rods, Tapping/Double End Studs;All kinds of Hex Head Bolts, Hex Socket Head Cap Screw with Grade: 8.8, 10.9, 12.9.
2.Do you provide custom service?
Yes.Our professional engineers can design professional drawings according to your needs, and can also produce according to the drawings you provide.
3.What materials do you offer bolts?
Carbon steel, stainless steel, titanium, copper, aluminum and so on.
4.How do you control the quality?
Always pre-production sample Inspection before mass production.Always final Inspection before shipment.
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