A depressed centre (DPC) grinding disc designed for grinding on various metalworking applications, including steel, structural steel and sheet metal. Manufactured from premium-quality aluminium oxide that 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 50mm grinders and cut-off tools with a 10mm bore.