These high-quality Metal Bond Diamond Abrasives can work on any surfaces such as glass, refractories, semi-conductors, ceramics, silicon, quartz, etc. They are sintered with mill, silver, cobalt, copper, or stanum powder to ensure unmatched performance when it comes to cutting or grinding of metals. They are designed to provide interrupted cuts without damaging the tool's original dimensions. These hard-wearing Metal Bond Diamond Abrasives can also work in the most energetic grinding actions. They are available in different diameters from 6mm to 700mm.