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18
+
YEARS OF EXPERIENCE
3000㎡+
FLOOR SPACE
160
+
MACHINERY EQUIPMENT
3500
+
SATISFIED CUSTOMERS
The through-hole vented hex bolt is designed with a unique feature: a hole at the head. This hole allows the bolt to absorb and transmit greater loads, making it an ideal choice for high-stress applications.
The flat head design ensures that the bolt surface remains smooth and flush once installed, providing an aesthetically pleasing appearance, and making it ideal for applications where appearance is important.
They are made of high-strength materials, with excellent tensile strength and corrosion resistance, making them suitable for different environments and conditions. Its hexagonal head design ensures an even distribution of force across all six sides, preventing deformation under torque and enhancing the overall stability and safety of the structure.
Thanks to its strength and durability, and capable of handling heavy loads and vibrations, the through-hole vented hex bolt is widely used in construction and bridge projects. In vehicle and ship manufacturing, these bolts are used to ensure stability and safety and are securely fastened in various parts. In the furniture industry and other construction applications, the through-hole vented hex bolt ensures both structural stability and a clean, professional look.
Specification

|
Specification |
Pitch |
dk |
t |
|
M4 |
0.7 |
7 |
3 |
|
M5 |
0.8 |
8 |
3.74 |
|
M6 |
1 |
10 |
4.24 |
|
M8 |
1.25 |
13 |
5.54 |
|
M10 |
1.5 |
17 |
6.69 |
|
M12 |
1.75 |
19 |
7.79 |
|
M14 |
2 |
22 |
9.09 |
|
M16 |
2 |
24 |
10.29 |
|
M18 |
2.5 |
27 |
11.85 |
|
M20 |
2.5 |
30 |
12.85 |
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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