Diamond Drill Bit Set | 18-68mm Hole Saw for Tile, Glass & Stone

Achieve clean, precise holes in hard materials with this 18-68mm diamond drill bits set. The included position drill bit prevents slipping for accurate starts, while the diamond-impregnated segments deliver fast, chip-free drilling in glass, tile, and stone. This single-piece set provides a versatile range for professional and demanding DIY projects. Features and Benefits - Diamond-Impregnated Cutting Segments - Provides consistent, fast cutting action on hard, brittle surfaces without chipping or cracking - 18mm to 68mm Diameter Range - Covers a wide variety of hole sizes for plumbing, electrical, and installation tasks with one set - Included Position Drill Bit - Ensures the hole saw stays exactly on mark for a clean, accurate start on smooth surfaces - High-Grade Steel Core Body - Offers superior durability and heat resistance for extended tool life during prolonged use - Universal 1/2-Inch Hex Shank - Compatible with standard drill chucks and most corded/cordless drills for immediate use Applications - Tile and Porcelain Installation - Create perfect holes for shower fixtures, towel bars, and plumbing penetrations in bathroom and kitchen remodels - Stone and Granite Fabrication - Drill faucet and soap dispenser holes in countertops or make decorative openings with minimal material waste - Glass and Mirror Work - Execute precise holes for custom shelving brackets, lighting fixtures, or artistic projects without shattering - General Masonry Tasks - Handle occasional holes in brick, concrete block, or slate for outdoor lighting or ventilation Note For best results and maximum bit life, use with water for lubrication and cooling during operation. Always wear appropriate safety gear.