This part is available as an individual replacement. The nut-keps attaches to the lower bracket-housing. A wrench might be helpful during the installation of this part. This is made of metal and will require replacing if it breaks. It is a genuine OEM sourced part which is specially designed for use with Toro and Lawn Boy snowthrowers.
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.