99-4590 Toro Lawn Mower

This is a lock nut and it is used in a variety of outdoor lawn equipment. This lock nut has a nylon insert, making it a nyloc nut. The insert allows the nut to be resistant to turning caused by strong vibrations.

This item has been sourced from the original manufacturer to ensure quality. The metal screw is intended to be used with snowthrowers from Toro and Lawn-Boy. This screw is used to secure the bearing f...