Useful drilling tools for easy and fast drilling hole of glass, tiles, granite, ceramic and marble. Made of high quality diamond, very durable to drill holes.<br><br><strong>Features:</strong><br>High quality hole saw kit for drilling round holes easily and quickly.<br>Sharp and durable teeth of hole saws ensure a powerful and high efficient action.<br>Hole saws in various size(10 kinds 8-50mm) to meet different needs.<br>Suitable for standard electric drill, ordinary electric drill, cordless drill, bench drill, etc.<br>Can be widely used for drilling glass, tiles, granite, ceramic and marble.<br>Great for making clean and accurate hole on glass and tile for home, hobby, craft, construction, etc.<br><br><strong>Specifications:</strong><br>Color: Silver<br>Material: Diamond<br>Surface Treatment: Zinc Plating <br>Quantity: 10 pcs<br>Hole Saw Type: 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 50mm<br>Total Height: 51mm, 50mm, 50mm, 53mm, 52mm, 53mm, 58mm, 51mm, 51mm, 49mm <br>Type: Core Drill Bits<br>DIY Supplies: Drilling Hole for Glass, Ceramics, Tiles, Marble <br>Item Weight: 203g / 7.18oz <br>Package Size: 10 * 8 * 5cm / 3.94 * 3.15 * 1.97in<br>Package Weight: 207g / 7.31oz<br><br><strong>Note:</strong> Please always use water for lubrication, otherwise the diamond core drill will burn out.<br><br><strong>Package List:</strong><br>10 * Diamond Coated Hole Saw