The 4mm Spring Washer from REX International is an essential component for ensuring secure fastening in mechanical assemblies. Made from high-quality steel, this spring washer provides excellent elasticity and resistance to deformation. With a diameter of 4mm, it is designed to fit standard bolts and screws, enhancing the overall stability of connections. This washer meets industry standards for performance and reliability, making it a trusted choice for professionals. Ideal for use in automotive and machinery applications, the 4mm Spring Washer is crucial for maintaining tight joints.