Material: Carbon Steel
Hardness: 100HV / 200HV / 300HV
Finishes: Plain / Blue-White Zinc Plated / Yellow Zinc Plated / Hot-Dip Galvanized / Blackened / Dacromet
High-Strength Blackened Spring Washer – Offers high elasticity, capable of withstanding significant vibration and pressure without easy deformation or breakage. Features a blackened finish that forms a dense black oxide film. Suitable for various high-strength fastening applications. Effectively counteracts bolt vibration loosening and distributes load. Widely used in machinery manufacturing, equipment repair, automotive chassis, agricultural machinery, and general indoor and outdoor industrial environments.