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 replacement hardware is sourced from original equipment manufacturer for use with Toro snowthrowers. It is standard hardware which has multiple applications, please refer to appropriate diagrams for correct location and use of this locknut. This part is made from durable metal and it is sold individually.