professional factory for Hollow Screw - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji
professional factory for Hollow Screw - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji
professional factory for Hollow Screw - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji Detail:
Description
QUICK Response
QUICK Quotation
QUICK Delivery
READY TO SHIP DELIVERY
10000+ SKU in warehouse
We Commit for RTS items:
70% items delivered within 5 days
80% items delivered within 7 days
90% items delivered within 10 days
Bulk orders, please contact customer service
|
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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Product detail pictures:
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The shopper satisfaction is our primary focus on. We uphold a consistent level of professionalism, quality, credibility and repair for professional factory for Hollow Screw - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji , The product will supply to all over the world, such as: Houston, Mongolia, Toronto, We would very much welcome an opportunity to do business with you and have pleasure in attaching further details of our products. Excellent quality, competitive prices,punctual delivery and dependable service can be guaranteed.
By Alex from South Africa - 2017.09.29 11:19
Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
By Roxanne from Irish - 2018.11.28 16:25
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