100-4917 Toro Chainsaw - 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 is an authentic Toro replacement part, sourced from the original manufacturer for use with snowthrowers. The metal washer is commonly used to disperse pressure put on the auger housing by the nut that fastens the chute retainer across a wider surface area. This bolt is sold individually.