Depressed Centre (DPC) grinding disc designed for grinding on various metal working applications including steel, structural steel and sheet metal. Manufactured from premium quality aluminium oxide, which has been resin bonded and reinforced with fibreglass to improve the strength and performance of the disc. The bore has a stainless-steel ring to allow the cutting disc to be safely mounted onto the machine. Compatible with 100mm air angle grinders with a 16mm bore. Manufactured to EN12413 standards.