This hex locknut has a special locking feature to prevent it from loosening due to vibrations or movement. It has a 1/4 inch diameter and a 20 threads-per-inch pitch. You will find it securing various parts of your lawn equipment, such as blade assemblies, engine mounts, or handles. A broken locknut cannot fasten components together tight
...Read morely. Replace any damaged locknuts to keep your machine securely assembled and functioning properly. Loosen a locknut from your machine by turning it with a wrench or a socket. This durable metal locknut is an OEM hardware. It is sold individually, so read your user manual to determine how many you will need. Consider getting extras if you are replacing one, as these locknuts tend to wear out together.
Read less