Starrett D0008 8mm / 5/16" Diamond Tile Drill

Diamond Ceramic and Abrasive Material Hole Saws and Tile Drills feature a diamond coated cutting edge permanently bonded to a tough steel body.
Provides the necessary clearance for cutting at high speeds.
Able to cut rapidly through glass, ceramics, brick and stone.
Ideal solution in the toughest of cutting situations for other abrasive materials.
Ultimate hole saw for hard-to-cut materials.
Smooth surface finish, ideal when cutting glass and ceramics.
Supported by a comprehensive range of arbors with carbide tipped pilot drills.