TINOR Adjustable Hole Locator Set for Ceramic, 10PCS Diamond Drill Bit Hole Saw Drill Bit Glass Tile Hole Drilling 6-50mm, 1PC Screwdriver, 4PCS hss

General description Adjustable Hole Locator Set for Ceramic includes 10 diamond drill bits ranging from 6mm to 50mm, a screwdriver, and 4 HSS ceramic drill bits. This versatile set is designed for precise hole drilling in various materials such as glass, marble, tile, ceramic, and PVC. Technical specifications Sizes: 6mm (0.23"), 8mm (0.31"), 10mm (0.39"), 12mm (0.47"), 20mm (0.78"), 25mm (0.98"), 30mm (1.18"), 35mm (1.38"), 40mm (1.57"), 50mm (1.97") Material: High-strength carbon steel with nickel-plated coating Coating: High-quality diamond for smooth cuts Installation Adjustable hole saw drill guide attachment with suction cup Maximum opening length of the board: 3-1/4" Two modes available: 3 or 4 bearing attachment Usage Recommended to use reduced drilling speeds and low drilling pressure Increase water lubrication during drilling to extend drill bit life Large clearance holes facilitate cooling water entry and chip removal Use the included screwdriver to remove debris stuck in