Made from ceramic material, these rings are devised for durability and wear-resistance, ensuring long-lasting performance. Compatible with machine cutting heads, these D20.6 H14.2 M8 ceramic rings provide stable performance for professional applications. Easy to install and use, these ceramic rings enhance the efficiency of your machine cutting operations. devised for a variety of applications, these rings are perfect for those seeking reliable components for their cutting equipment. With dimensions of 20.6mm in diameter and 14.2mm in height, these ceramic rings are tailored to fit M8 threaded cutting heads perfectly., Manufacturer: Vividcrate