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18
+
YEARS OF EXPERIENCE
3000㎡+
FLOOR SPACE
160
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MACHINERY EQUIPMENT
3500
+
SATISFIED CUSTOMERS
The socket head screws with a flat washer is a versatile and reliable fastening, it combines a screw, a flat washer, and a spring washer, there's no need to search for or install each part separately. It helps simplify the installation process and ensures everything is in one place.
The screw with a cup head and a hexagonal groove, can easily be tightened by a hex key or socket wrench. This design ensures a secure grip and is ideal for applications requiring a low-profile, strong connection.
The spring washer provides an extra preload tension and helps prevent the screw from loosening. This makes it ideal for applications where vibration or movement could cause traditional screws to come undone.
The flat washer helps distribute the load and prevents damage to the surface beneath, ensuring a stable and secure connection.
The socket head screws with flat washer are easy to use, durability, and long-term performance. Whether you're assembling machinery, securing components, or building structures, these screws offer an efficient way to ensure a strong and secure connection.
Specification

|
d |
p |
dk |
k |
s |
dc |
h |
t |
|
M2 |
0.4 |
3.8 |
2 |
1.56 |
5 |
0.55 |
0.58 |
|
M2.5 |
0.45 |
4.5 |
2.5 |
2.06 |
6 |
0.55 |
0.58 |
|
M3 |
0.5 |
5.7 |
3 |
2.58 |
7 |
0.55 |
0.9 |
|
M4 |
0.7 |
7.2 |
4 |
3.08 |
9 |
0.9 |
1.2 |
|
M5 |
0.8 |
8.72 |
4.98 |
4.1 |
10 |
1.1 |
1.4 |
|
M6 |
1 |
10.22 |
6 |
5.14 |
12 |
1.8 |
1.7 |
|
M8 |
1.25 |
13.3 |
8 |
6.14 |
16 |
2.2 |
2.1 |
|
M10 |
1.5 |
16.27 |
10 |
8.17 |
20 |
2.7 |
2.7 |
|
M12 |
1.75 |
18.25 |
12 |
10.17 |
24 |
3.3 |
3.2 |
Product Picture






Production Process










Quality Control









Surface Treatment
Offer a variety of surface treatments for our screws to meet different needs and environmental conditions. Such as zinc plating, nickel plating, hot-dip galvanizing, anodizing, zinc nickel alloy, dacromet coating, phosphating, etc.

Custom Service
With 18 years of experience in the fasteners area, Zeyao Hardware specializes in manufacturing custom fasteners, including screws, bolts, nuts, rivets, standoffs, spacers, wrenches, pins, and more. Welcome to send your inquiries to get a free quote.

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