A
Anonymous
Apr 01, 2026
Rating: 4/5
Good Value
Solid nuts but delivery was a bit slower than expected. Product quality is fine.
Description
304 stainless steel square nuts, square washers, zinc-plated rectangular iron square caps, square nuts for aluminum profiles
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 304 Stainless Steel |
| Surface Finish | Polished |
| Thread Type | Metric Coarse |
| Shape | Square |
| Standard | DIN 557 |
| Grade | A2-70 |
| Package Quantity | 100 Pieces |
| Net Weight | 500 Grams |
| Color | Silver |
| Application | Aluminum Extrusion Profiles |
5 reviews
A
Anonymous
Mar 02, 2026
Rating: 5/5
Great Fit
Perfect for my 3030 profile project. The threads are clean and the steel feels solid.
A
Anonymous
Feb 28, 2026
Rating: 5/5
Recommended
Exactly as described in listing. Will purchase again for future frames.
A
Anonymous
Feb 22, 2026
Rating: 3/5
Packaging Issue
Nuts were loose in the bag and some arrived scratched. Functionality is okay though.
A
Anonymous
Jan 26, 2026
Rating: 5/5
High Quality
No rust after outdoor use for a month. Very satisfied with the 304 stainless quality.
5 FAQ
Q: Are these compatible with 2020 aluminum profiles?
A: Yes, they are designed to be compatible with standard 2020 profiles.
Q: Can I get a special invoice for this purchase?
A: Yes, a special invoice is available upon request during checkout.
Q: Do you offer bulk discounts for larger orders?
A: Please contact customer service directly for bulk pricing inquiries.
Q: What is the return policy if the size is wrong?
A: Returns are accepted within 30 days for unused items in original packaging.
Q: Is the thread metric or imperial?
A: These nuts feature metric threads as per DIN standard specifications.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
