This is an individual OEM blade bolt for a miter saw, also frequently referred to as a clamp bolt. Its purpose is to fasten the blade onto the miter saw, ensuring it does not become loose while in use. It has a hex head that measure a 1/2 inch, is approximately one-inch-long and has reverse threads. Over time, the threads can wear due to continuous changes of the blade and will need to be replaced.
Manufacturer Part Number: 145344-01