Cubitron Abrasives Grinding disc 627918 - Cubitron 98418, The Cubitron 98418 grinding disc, with a diameter of 180 mm and a bore diameter of 22.23 mm, is crafted for efficient material removal. Manufactured by Cubitron, it features precision-shaped grains for faster cutting and increased durability. This grinding disc is typically used in metalworking applications for tasks such as weld removal and surface preparation. 3M Cubitron 98418 Roughing Disc 180mm 22.23mm Bore 10 pieces Fast Cutting