Pack of 10 spring washers. These special washers, also called Grower washers, are widely used to reinforce the fixing and to increase braking capacity. Thanks to its slot, the spring washer offers superior resistance to loosening and increases the level of safety. Dimensions: Inner diameter: M5. Unit weight: 0.37 g. Color: Silver. Material: A2 stainless steel - for better corrosion resistance. DIN: 127. The diameter of the washer must be well suited to the diameter of the threaded rod. Choosing the right size is essential to achieve the desired result. The spring washer is said to be still elastic. Thanks to its cut part, it anchors itself in the room and maintains a solid and durable fixing. It reduces the tension and stiffness of the screw thanks to its elastic characteristic and increases the efficiency of the bolt. The Grower washer is designed to prevent loosening of a screw after assembly due to unwanted shocks or vibrations. It comes in several sizes and diameters, to be used in different locations and to meet your needs. It is a suitable and essential accessory for achieving good fixation. Locking washers for internal and external use. Split washers are perfect for metal-to-metal fasteners, electrical connections on commercial and household appliances, motors, in short, they are mainly used in environments characterized by the presence of vibrations and shocks.