Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 65Mn Spring Steel |
| Thread Sizes | M4, M5, M6, M8 |
| Surface Finish | Zinc Plated |
| Hardness | 45-50 HRC |
| Package Quantity | 100 Pieces per Size |
| Compatibility | 2020, 2040, 3030 Aluminum Profiles |
| Net Weight | 0.5 kg |
| Country of Origin | China |
| Standard | DIN 127 / DIN 125 |
| Type | Spring Lock & Flat Washers |
Anonymous
Apr 02, 2026
Rating: 5/5
Great value pack
Plenty of washers for multiple projects. Prices are reasonable compared to local hardware stores.
Anonymous
Mar 12, 2026
Rating: 5/5
Essential for vibration resistance
Used these on my CNC frame. No loosening after months of use under vibration.
Anonymous
Feb 21, 2026
Rating: 4/5
Solid hardware
Steel is hard enough, doesn't strip easily. Wish M10 was included in the set.
Anonymous
Feb 11, 2026
Rating: 5/5
Perfect fit for my 3030 profiles
These washers fit perfectly under the T-nuts. Good spring tension and prevents loosening.
Anonymous
Jan 31, 2026
Rating: 4/5
Good quality, slight plating issue
Most are great, one or two had slight rust spots but still usable for indoor projects.
Q: Is the zinc plating corrosion resistant?
A: Yes, it offers basic corrosion resistance suitable for indoor industrial use.
Q: Are these compatible with 2020 extrusions?
A: Yes, specifically designed for standard aluminum extrusion channels including 2020 series.
Q: Can I use these for automotive applications?
A: They are designed for extrusion frameworks, not recommended for high-load automotive safety components.
Q: What is the thickness of the flat washers?
A: The flat washers are approximately 1mm thick depending on the specific thread size.
Q: Do these come with screws?
A: No, this package contains only washers. Screws are sold separately.
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