The hex bolt attaches to the washer and the square key. This part is an OEM from Craftsman for use in snowblowers and lawn mowers. It is available as an individual replacement part and is made of metal. If this item becomes broken or stripped it will need to be replaced and may require a socket set during the installation.
This is an authentic replacement part that has been sourced from the original manufacturer to be used with trimmers and lawnmowers from Ryobi and MTD. The metal nut is used with different types of machines and the application of the nut can vary based on the model of the equipment. It is recommended to verify the part\\\'s compatibility a...Read morend usage by reviewing your model\\\'s diagram. This nut is available as an individual replacement part. A hex socket wrench and a driver are needed when installing this part.