138-9 Toro - Overview

This lock nut is used to secure threaded fasteners, to prevent them from loosening and falling off during use. It is sourced from the original manufacturer for use in various lawn and outdoor equipment. The nut has a nylon insert on one end which holds the fastener and locks the nut in position. It comes in a hexagonal shape, which makes ...Read moreit easier to grip, and ensures better stability. It is normal for a lock nut to corrode, crack or wear down over time. You will likely notice increased vibration, noise, and instability from your equipment when the nut is no longer able to securely hold the fastener. To remove and replace a lock nut, nut use a wrench or socket. Regularly inspecting and replacing the lock nuts in your equipment is important in maintaining the longevity of the equipment. Each nut is sold individually.

The screw attaches to the caster fork. It is an original Toro and Lawn Boy part for use in lawn mowers and lawn tractors. This item is available as an individual replacement part. During replacement, it may require a wrench to help install this item correctly. It is made out of metal and will need to be replaced if it breaks or strips.