Description
The Square Thread Nut manufactured to the DIN 557 standard is a high-strength fastening solution designed for demanding applications requiring superior load distribution and anti-rotation performance. Its distinctive square profile provides a larger bearing surface than conventional hex nuts, improving stability and making it especially suitable for heavy-duty structural and mechanical assemblies.
Produced from premium 304, 316, or 316L stainless steel, this square thread nut delivers outstanding corrosion resistance, durability, and long service life. The precision-cut internal threads ensure reliable engagement with mating bolts, while the robust construction makes it ideal for use in construction, machinery, marine environments, chemical processing, and general fabrication where dependable fasteners are essential.
Features & Benefits
- Exceptional Corrosion Resistance: Made from 304, 316, or 316L stainless steel, this nut offers excellent protection against rust and corrosion, making it perfect for use in humid or harsh chemical environments.
- Enhanced Grip and Anti-Rotation: The square shape provides a greater bearing surface, which not only improves load distribution but also offers natural anti-rotation capabilities. It can be easily secured within a square channel or slot, preventing it from turning when a bolt is tightened.
- High Hardness and Durability: With its high-quality stainless steel construction, the nut is resistant to deformation and wear, ensuring a strong and long-lasting connection.
- Deep and Uniform Threads: The precisely cut, deep threads ensure a secure and uniform force distribution, providing a tight and reliable lock with the corresponding bolt.
Specification
|
Nominal diameter -d |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
|
|
Pitch -p |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1. 5 |
1.75 |
|
|
m |
max |
3.0 |
3.8 |
4.6 |
5.6 |
7.25 |
8.75 |
10.8 |
|
min |
2.25 |
3.4 |
3.4 |
4.4 |
6.75 |
7.25 |
9.25 |
|
|
s |
max |
5.5 |
7 |
8 |
10 |
13 |
17 |
19 |
|
min |
5.32 |
6.64 |
7.64 |
9.64 |
12.57 |
16.57 |
18.48 |
|
FAQ:
Q1: Why would I choose a Square Thread Nut over a standard hex nut?
A: The square shape provides more surface contact, which is better for distributing heavy loads. Additionally, its ability to lock into a square slot makes it ideal for applications where you cannot reach the nut with a wrench during assembly.
Q2: Which stainless steel grade should I choose?
A: 304 stainless steel is suitable for general applications, 316 offers enhanced corrosion resistance for marine or chemical environments, and 316L provides improved resistance to intergranular corrosion and better weldability.
Q3: How can I prevent rust during installation?
A: Always avoid using carbon steel tools to install stainless fasteners, as iron particles can be transferred to the surface and trigger localized oxidation. Periodically rinsing outdoor nuts with fresh water also helps remove corrosive contaminants.
Q4: What industries commonly use Square Thread Nuts?
A: They are widely used in construction, mechanical engineering, marine and offshore projects, chemical processing, and general fabrication where secure and durable fasteners are required.
