This flat metal cutting wheel by Draper is manufactured to EN12413 specifications and has a medium-hard grit grade. With a maximum working speed of 80m/sec and maximum permissible rotation speed of 13,300rpm, be careful to use this wheel with the appropriate safety equipment. Specifications: Max. Working Speed: 80m/sec Weight: 0.02kg Bore: 22.2mm Diameter: 115mm Thickness: 12mm Grit Grade: A30-S-BF 80 Max. Permissible Speed of Rotation: 13,300rpm