Big discounting M4 Allen Bolts - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji
Big discounting M4 Allen Bolts - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji
Big discounting M4 Allen Bolts - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji Detail:
Description
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|
d |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
M16 |
|
|
P |
Pitch |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
1.75 |
2 |
|
a |
Max |
1 |
1.4 |
1.6 |
2 |
2.5 |
3 |
3.5 |
4 |
|
Min |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
1.75 |
2 |
|
|
dk |
Max |
5.7 |
7.6 |
9.5 |
10.5 |
14 |
17.5 |
21 |
28 |
|
Min |
5.4 |
7.24 |
9.14 |
10.07 |
13.57 |
17.07 |
20.48 |
27.48 |
|
|
e |
Min |
2.303 |
2.873 |
3.443 |
4.583 |
5.723 |
6.863 |
9.149 |
11.429 |
|
k |
Max |
1.65 |
2.2 |
2.75 |
3.3 |
4.4 |
5.5 |
6.6 |
8.8 |
|
Min |
1.4 |
1.95 |
2.5 |
3 |
4.1 |
5.2 |
6.24 |
8.44 |
|
|
s |
Nominal |
2 |
2.5 |
3 |
4 |
5 |
6 |
8 |
10 |
|
Max |
2.08 |
2.58 |
3.08 |
4.095 |
5.14 |
6.14 |
8.175 |
10.175 |
|
|
Min |
2.02 |
2.52 |
3.02 |
4.02 |
5.02 |
6.02 |
8.025 |
10.025 |
|
|
t |
Min |
1.04 |
1.3 |
1.56 |
2.08 |
2.6 |
3.12 |
4.16 |
5.2 |
|
Minimum tension load(N) |
8.8Grade |
3220 |
5620 |
9080 |
12900 |
23400 |
37100 |
53900 |
100000 |
|
10.9Grade |
4180 |
7300 |
11800 |
16700 |
30500 |
48200 |
70200 |
130000 |
|
|
12.9Grade |
4910 |
8506 |
13800 |
19600 |
35700 |
56600 |
82400 |
154000 |
|
Detail drawing
What’s Round Head Hex Socket Head Screw?
The standard of Round Head Hex Socket Head Screw is ISO 7380. The definition of hexagon socket flat round head screw refers to a screw with a hexagon socket and a flat round head head. The professional name of the screw industry is called flat cup, which is a relatively simple overview. It is also called hexagon socket round cup, socket socket flat head bolt. There are many names, but the content is the same.
There are two kinds of materials for hexagon socket head dome screws. These two are commonly used materials, including stainless steel and carbon steel. For carbon steel, we generally refer to iron. Carbon steel is divided into grades of hardness, including low-carbon steel. Medium carbon steel and high carbon steel. Therefore, the strength grades of hexagon socket head cap screws are 4.8, 8.8, 10.9, and 12.9.
If the hexagon socket head flat head screw is iron, it generally needs to be electroplated. Electroplating is divided into environmental protection and non-environmental protection. Non-environmental protection is ordinary electroplating. The environmentally friendly ones include environmentally friendly blue zinc, environmentally friendly colored zinc, environmentally friendly nickel, and environmentally friendly white zinc, etc. The non-environmentally friendly electroplating includes black zinc, white zinc, color zinc, white nickel, black nickel, and black cladding.
Packing
The packaging of the socket head cap screws is the box and the outer box by default.
About us
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We support our consumers with ideal good quality merchandise and large level provider. Becoming the specialist manufacturer in this sector, we have attained wealthy practical encounter in producing and managing for Big discounting M4 Allen Bolts - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji , The product will supply to all over the world, such as: Thailand, Ethiopia, Bulgaria, Nowadays our merchandise sell all over the domestic and abroad thanks for the regular and new customers support. We supply high quality product and competitive price, welcome the regular and new customers cooperate with us!
By Ruth from Serbia - 2018.11.04 10:32
The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
By Charlotte from The Swiss - 2017.07.07 13:00
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