77-4220 Toro Tiller - Overview

This Ni Nut-Lock, or Nylock Nut, is a Silver 1/4 x 20 metal nut. Sold individually, it can be adjusted using a wrench or socket and torque wrench to the manufacturer specfications, and is used to secure the sheer pin in place, on the impeller assembly. These nuts are a one-time use part due to their locking mechanism. You'll know the nut...Read more has broken when it appears to have damaged threads or rounded off edges. Customers found this to be an easy repair.

This replacement screw is a high quality item that is supplied from original equipment manufacturer for use on Toro lawn and garden equipment. It has multiple applications depending on your equipment, please make sure to check appropriate diagrams for correct location and use of this item. One durable metal hex head screw is included per order.