Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | High Carbon Steel Q235 |
| Surface Treatment | Hot-Dip Galvanized |
| Standard Compliance | DIN 125 / ISO 7089 |
| Available Sizes | M6, M8, M10, M12, M16, M20 |
| Hardness Grade | 350 HV Minimum |
| Coating Thickness | 50-80 Microns Average |
| Washer Types | Flat, Spring, Square, Beveled |
| Package Options | 1kg Box, 5kg Bag, 10kg Bulk |
| Country of Origin | China |
| Quality Certification | ISO 9001 Certified Factory |
Anonymous
Apr 19, 2026
Rating: 5/5
Great for outdoor projects
Used these for a deck build near the coast. The galvanization looks thick and uniform. No signs of rust after three months of exposure to salt air.
Anonymous
Mar 15, 2026
Rating: 5/5
No rust yet
Been outside for 6 months on a garden structure. Still looking shiny and new. Much better than the zinc-plated ones I used before.
Anonymous
Feb 07, 2026
Rating: 4/5
Sizes accurate
Fit my bolts well. The oversized options are truly oversized which helped with some slotted holes I had to work with. Shipping was a bit slow.
Anonymous
Feb 07, 2026
Rating: 4/5
Good quality but heavy
The washers are very sturdy and the coating is excellent. They are slightly heavier than standard washers due to the thickening, which is good for stability.
Anonymous
Jan 24, 2026
Rating: 5/5
Bulk order perfect
Ordered 50kg for a commercial site. Consistency across the batch was impressive. Fits our standard bolts without any threading issues.
Q: Is there a minimum order quantity for wholesale?
A: There is no strict minimum order quantity, but bulk discounts apply automatically at checkout for orders over 20kg.
Q: Are these washers completely rust proof?
A: They are highly corrosion resistant due to the hot-dip galvanization, suitable for outdoor use, but extreme conditions may eventually cause wear over many years.
Q: Do you sell matching hot-dip galvanized nuts?
A: Yes, we offer compatible hot-galvanized nuts in the same product listing options. Please select the nut variant when ordering.
Q: What is the exact thickness of the oversized washers?
A: The thickness varies by diameter. For M10 oversized, it is approximately 3mm. Please refer to the detailed specification chart in the product images.
Q: Can I use these for marine applications?
A: Yes, hot-dip galvanized fasteners are recommended for marine environments due to their superior zinc coating compared to electro-plated options.
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