Description
The Stainless Steel Square Nut manufactured to DIN 557 standards is a robust fastening solution designed for applications requiring superior load distribution, anti-rotation performance, and long-term corrosion resistance. Compared with standard hex nuts, the square profile offers a larger bearing surface, improving stability and reducing the risk of loosening under load.
Produced from premium 304, 316, or 316L stainless steel, these square nuts deliver excellent mechanical strength, oxidation resistance, and durability in demanding environments. They are widely used in construction, machinery, marine equipment, chemical processing, and food-grade installations where reliability, safety, and corrosion resistance are critical.
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 use a square nut instead of a hex nut?
A: Square nuts are primarily used when a larger bearing surface is required to prevent damage to the material or when the nut needs to be held in place by a square slot to prevent rotation during assembly.
Q2: Do these stainless steel square nuts rust?
A: While highly resistant to corrosion, they are not completely rust-proof. Performance depends on the grade selected and environmental factors like chloride or chemical exposure.
Q3: How can I prevent surface rust during installation?
A: Avoid using carbon steel tools, as they can transfer iron particles to the stainless surface and trigger localized rusting. Periodically rinsing outdoor fasteners with fresh water can also help remove contaminants.
Q4: Can these square nuts be customized?
A: Yes. Custom sizes, materials, and packaging options are available upon request.
