About this item
- [SIZE] – M12; Outer Diameter: 25mm
- [MATERIAL] – Made of 65Mn Spring Steel, Black Oxide Finished, Anti-corrosion and Durable
- [EASY to INSTALL] – The thickness of the product is relatively thin, be careful when installing, do not use too much force
- [FEATURE] – A washer exerts a spring force between the fasteners head and the substrate to create more friction and resistance to rotation.
- [APPLICATIONS] – Widely used in product maintenance, such as Wheels, ect.
A washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
Internal or External 65Mn Steel Type Washers.





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