This is an authentic Toro replacement part, sourced from the original manufacturer for use with snowthrowers. The metal washer is commonly used to disperse pressure put on the auger housing by the nut that fastens the chute retainer across a wider surface area. This bolt is sold individually.
This is a genuine replacement item that is supplied directly from the original equipment manufacturer for use with Toro snowthrowers. It is one of the special screws utilized to secure the rotor components, please refer to the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this durable screw is made of high-quality metal and is sold individually.