Precision Drilling for Glass, Tile, and Ceramic – Built for Clean Starts and Long Life When accuracy matters and surfaces are unforgiving, the Bosch GT2000 4-Piece Carbide Tipped Drill Bit Set delivers unmatched control and durability. Designed for rotary drills, this specialty set is ideal for bathroom installations, mirror mounting, relief holes for glass cutting, and fastening into tile or porcelain. Whether you're a contractor or a DIYer, these bits help you drill faster, cleaner, and with less risk of cracking delicate materials. Each bit features a diamond-ground precision tip that eliminates bit wander and walking, ensuring clean starts even on slick surfaces. The reinforced carbide head resists stress and cracking, while the 3-flat shank design provides superior grip in rotary drill chucks—especially on larger bits. Bosch’s innovative geometry allows for faster penetration and longer bit life, making this set a must-have for tile setters, remodelers, and glass installers. Key Features Diamond-ground precision tips for clean, accurate starts Reinforced carbide head resists cracking and stress 3-flat shank design prevents slippage in rotary drills Fast drilling geometry for reduced heat and longer life Ideal for bathroom installs, mirror mounting, and tile fastening What's Included (1) 1/8" Carbide Tipped Drill Bit (1) 3/16" Carbide Tipped Drill Bit (1) 1/4" Carbide Tipped Drill Bit (1) 5/16" Carbide Tipped Drill Bit Specifications Model GT2000 Bit Material Carbide Finish Oxide Coated Shank Style 3-Flat Point Style Precision-Ground Split Point Drill Bit Types Included Hammer, Masonry, Percussion Material Applications Glass, Ceramic Tile, Porcelain Cutting Angle 120° Tool Compatibility Rotary Drill (Non-Hammer Mode) Number of Pieces 4