Diamond frontal discs 6A2 are specialized tools used for grinding and shaping glass, jewellry, stones, ceramic and other hard materials. These discs are typically made with a metal or resin bond, and are coated with a layer of industrial-grade diamonds that are much harder than the materials they are designed to grind. The diamonds provide a high level of abrasion, allowing the discs to quickly and effectively grind and shape glass and other hard materials. Can be supplied with or without a grooves. All sizes are possible.