Diamond Grit [Glass] Hole Saw

About the Rock® SPECIALIZED Diamond Grit Hole Saw:
 
Diamond coating for long-life cut-out slots to dissipate heat made to international standard thread pattern to accept all arbours. The Diamond Holesaw is designed for cutting rapidly through glass, ceramic tiles, laminates, fibreglass, hard plastics, plexiglass, fibre cement sheet, ceramics, graphite, marble and soft stone. The new and improved diamond-coated tooth design and cut-out slots help to reduce the temperature while cutting, extending the life of the blade.