108-4101 Toro Lawn Mower - Overview

The Ni Lock Nut (Nylock Nut) is a Silver, 5/16x18, individually sold metal nut. It can be adjusted and replaced using a wrench or socket and torque wrench to the manufacturer specfications, and is used to secure the sheer pin in place on the augur. These nuts are a one time use part due to their locking mechanism. You'll know the nut has...Read more broken because the augur will not spin, and this is when the part should be replaced. Customers found this to be an easy repair.

This is a genuine OEM approved replacement part designed for use with Toro snow blowers/throwers. It is used to secure the half-rotor and the blade. This part is made out of metal and it is sold individually. Requires a wrench to tighten/loosen this screw.