TINOR 16pcs Hole Saws, Diamond Drill Bit Hole Saw 6-50mm Glass Drilling Tools Hole Saws Kit for Carbon Steel, Glass Drill, Ceramic, Porcelain, Tile, Marble

General description These 16pcs Hole Saws are designed for drilling precise holes in various brittle hard materials such as glass, ceramic, marble, and porcelain. Made with high-quality diamond, these drill bits ensure better drilling ability and accuracy. Technical specifications Material: Diamond coated Sizes included: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 35mm, 40mm, 45mm, 50mm Usage Ideal for drilling in glass, ceramic, marble, and other brittle hard materials. To extend the life of the drill bits, reduce drilling speed and use water for cooling; dry drilling is strictly prohibited. Other information Content: 1 set of 16 diamond drill bits