Depressed Centre Stone Grinding Discs are manufactured using Silicone Carbide abrasive grit with fibreglass reinforcing and resin bonded to provide both safety and optimum cutting performance. Use in stock removal applications on stone and concrete. By presenting the disc to the workpiece at an angle of 45, the most efficient results are achieved. For use with a variety of machines, mini-grinders to stationary cutting-off machines. Manufactured to EN 12413 standard. SAFETY TIPS Read the manufacturer's instructions carefullyWear goggles to guard against flying chips or dustInspect the condition of the wheel frequentlyAdjust the guard to deflect sparks and dustMaintain the revs and let the wheel do the work