M5 M6 M8 M10 M12 Alloy Steel Stainless Steel DIN931 Hexagon Head Bolts DIN933 Hex Nuts and Bolts
Thread Size d |
M1.6 |
M2 |
M2.5 |
M3 |
(M3.5) |
M4 |
M5 |
M6 |
(M7) |
M8 |
M10 |
M12 |
|
P |
Thread Pitch |
b |
Ref. |
L≤125 |
125 |
L>200 |
c |
min |
max |
da |
max |
ds |
max=nominal size |
min |
Grade A |
Grade B |
dw |
min |
Grade A |
Grade B |
e |
min |
Grade A |
Grade B |
k |
Nominal Size |
Grade A |
min |
max |
Grade B |
min |
max |
k1 |
min |
r |
min |
s |
max=nominal size |
min |
Grade A |
Grade B |
|
0.35 |
0.4 |
0.45 |
0.5 |
0.6 |
0.7 |
0.8 |
1 |
1 |
1.25 |
1.5 |
1.75 |
9 |
10 |
11 |
12 |
13 |
14 |
16 |
18 |
20 |
22 |
26 |
30 |
- |
- |
- |
- |
- |
- |
22 |
24 |
26 |
28 |
32 |
36 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
45 |
49 |
0.1 |
0.1 |
0.1 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.25 |
0.25 |
0.25 |
0.4 |
0.4 |
0.4 |
0.5 |
0.5 |
0.5 |
0.6 |
0.6 |
0.6 |
2 |
2.6 |
3.1 |
3.6 |
4.1 |
4.7 |
5.7 |
6.8 |
7.8 |
9.2 |
11.2 |
13.7 |
1.6 |
2 |
2.5 |
3 |
3.5 |
4 |
5 |
6 |
7 |
8 |
10 |
12 |
1.46 |
1.86 |
2.36 |
2.86 |
3.32 |
3.82 |
4.82 |
5.82 |
6.78 |
7.78 |
9.78 |
11.73 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2.4 |
3.2 |
4.1 |
4.6 |
5.1 |
5.9 |
6.9 |
8.9 |
9.8 |
11.6 |
15.6 |
17.4 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
3.41 |
4.32 |
5.45 |
6.01 |
6.58 |
7.66 |
8.79 |
11.05 |
12.12 |
14.38 |
18.9 |
21.1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1.1 |
1.4 |
1.7 |
2 |
2.4 |
2.8 |
3.5 |
4 |
4.8 |
5.3 |
6.4 |
7.5 |
0.98 |
1.28 |
1.58 |
1.88 |
2.28 |
2.68 |
3.35 |
3.85 |
4.65 |
5.15 |
6.22 |
7.32 |
1.22 |
1.52 |
1.82 |
2.12 |
2.52 |
2.92 |
3.65 |
4.15 |
4.95 |
5.45 |
6.58 |
7.68 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.7 |
0.9 |
1.1 |
1.3 |
1.6 |
1.9 |
2.28 |
2.63 |
3.19 |
3.54 |
4.28 |
5.05 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.2 |
0.2 |
0.25 |
0.25 |
0.4 |
0.4 |
0.6 |
3.2 |
4 |
5 |
5.5 |
6 |
7 |
8 |
10 |
11 |
13 |
17 |
19 |
3.02 |
3.82 |
4.82 |
5.32 |
5.82 |
6.78 |
7.78 |
9.78 |
10.73 |
12.73 |
16.73 |
18.67 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
NINGBO MIANXUAN FASTENERS CO., LTD. covers an area of 40,000 square meters, with the plant taking up 30,000 square meters. Our annual output of fasteners reaches 30,000 tons. We have a wide range of facilities to produce various of nuts, threaded rods, washers, bolts and screws, such as multi-stage nut and bolt machines, spheroidzing annealing furmace, heat treatment production line and automatic plating line, with large-scale, mass production and quick delivery. Mianxuan Fasteners has won a high reputation among customers around the world. Mianxuan's fasteners represent the highest level of Zhejiang's fastener production base, the latest model of the green fastener company, and the standard products of China Power.




√ Design assistance and full engineering support.
√ Professional at OEM CNC parts.
√ Complete production lines for custom turning, milling, CNC machining sheet
metal fabrication, stamping, bending, argon welding and surface treatment.
√ Advanced machine tools, CAD/CAM programming software.
√ Prototype machining capabilities.
√ Strict quality control standards with a highly qualified inspection department.
√ Continually upgrading and advancing our equipment to remain competitive.
Q: What do in need for offering a quote ?
A: Please offer us 2D or 3D drawings (with material, dimension, tolerance, surface treatment and other technical requirement etc.), quantity, application or samples.
Q: What is your MOQ?
A: MOQ depends on our client's needs. Besides, we welcome trial order before mass-production.
Q: What kind of payment terms do you accept?
A: T/T, L/C, Escrow Paypal, Western Union, Moneygram etc.
Q: Is it possible to know how is my product going on without visiting your company
A: We will offer a detailed products schedule and send weekly reports with digital picture and videos which show the machining progress.