The Flange Lock Nut M14 Self Lock Quick Release is a fastening component designed for use with angle grinders. This M14-sized nut features a self-locking mechanism that ensures a secure fit, preventing the nut from loosening during operation. The quick-release design allows for easy and efficient removal and installation, making it convenient for users who need to change accessories or discs frequently. It's specifically made to provide a secure connection between the angle grinder's spindle and the attachment, improving safety and efficiency during use.