Surface treatment: Blackening by oxidation
Colour: Black
Thread Type: Metric
Standard: GB
Sizes: M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M30
Packing Quantity: 5/10/20/30/50/100pcs

Properties:
- The surface is flat, smooth and burr-free, made of high-quality materials, and is sturdy and durable.
- Wear-resistant, corrosion-resistant and have a strong antioxidant capacity.
- Double-sided toothed washers (commonly known as double-sided toothed washers, anti-loose washers) are widely used in electrical appliances, elevators, and automotive manufacturing. The working principle is to use the tension generated by the product to bounce back after they have played the role of anti-slip and anti-slip under load.
Manual measurement data shall be subject to actual conditions.
Due to differences in lighting and screen, the color of the item may slightly differ from the picture!

