Corded Drills, Drivers -Coated Burr Hole Mis Highlights Generic Brand Coated Burr Hole Mis Note: It is best to add coolants when drilling. Description: High temperature brazing carbide, sharp and durable For precise, high precision centering drilling Works well with common electric drill Suitable for tiles, ceramics, glass, , and c Material: Hard metal Color: silver Size: Outer Diameter Shank Drilling Depth Approx. 6mm / 0.2 inch Approx. 5.4mm / 0.2 inch Approx. 35mm / 1.4 inch Approx. 8mm / 0.3 inch Approx. 6.4mm / 0.3 inch Approx. 30mm / 1.2 inch Approx. 10mm / 0.4 inch Approx. 6.5 mm / 0.3 inch Approx. 30mm / 1.2 inch Approx. 12mm / 0.5 inch Approx. 6.0mm / 0.2 inch Approx. 30mm / 1.2 inch Approx. 14mm / 0.6 inch Approx. 7.0 mm / 0.3 inch Approx. 30mm / 1.2 inch Approx. 16mm / 0.6 inch Approx. 6.4mm / 0.3 inch Approx. 30mm / 1.2 inch Approx. 18mm / 0.7 inch Approx. 8.2mm / 0.3 inch Approx. 30mm / 1.2 inch Approx. 20mm / 0.8 inch Approx. 8.0mm / 0.3 inch Approx. 30mm / 1.2 inch Approx. 22mm / 0.9 inch Approx. 8.0mm / 0.3 inch Approx. 30mm / 1.2 inch Approx. 25mm / 1.0 inch Approx. 9.0mm / 0.4 inch Approx. 30mm / 1.2 inch Approx. 34mm / 1.0 inch Approx. 9.0mm / 0.4 inch Approx. 30mm / 1.2 inch Approx. 35mm / 1.1 inch Approx. 9.0mm / 0.4 inch Approx. 30mm / 1.2 inch Approx. 30mm / 1.2 inch Approx. 9.0mm / 0.4 inch Approx. 30mm / 1.2 inch Approx. 40mm / 1.6 inch Approx. 9.0mm / 0.4 inch Approx. 30mm / 1.2 inch Approx. 50mm / 1.9 inch Approx. 9.0mm / 0.4 inch Approx. 30 mm / 1.2 inch Package includes: 15 x Hacksaw drill bit