3/8" - Spring Washer Rectangular Section Type B - YBZP - Pack of 25

These rectangular section 3/8" spring washers are manufactured from high quality steel and feature a bright zinc plated and yellow passivation finish. Type B Spring washers are specifically engineered for applications where there is a need to prevent loosening fasteners due to vibration or torque. Their helical shape allows them to exert a continuous force between the fastener's head and the substrate, maintaining tension and improving the reliability of the joint. These washers are ideal for use with imperial threaded fasteners in a wide range of applications, from heavy-duty industrial settings to everyday DIY tasks.