PRECISION 4-3/8" DIAMOND CORE BIT: Achieve ultra-clean, perfectly round holes measuring 4.375 inches. Our industrial-grade diamond-coated rim ensures superior cutting performance on ceramic, porcelain, glass, granite, quartz, marble, and various natural stone tiles, preventing chipping and cracking for flawless results. VERSATILE PLUMBING & FIXTURE INSTALLATIONS: This diamond hole saw is perfectly sized for creating openings for standard toilet floor flanges, shower diverter valves, large sink drains, and water pipe access through floor and wall tiles. Essential for bathroom and kitchen renovations. OPTIMIZED FOR RECESSED LIGHTING & CEILINGS: Effortlessly cut precise 4-3/8 inch holes in plaster, drywall, and ceramic ceiling tiles for installing recessed lights. Its accurate design ensures a snug fit for fixtures in bathrooms, kitchens, or any room requiring overhead lighting. ROBUST CONSTRUCTION & WET DRILLING: Built with a solid steel body for exceptional durability and a standard 3/8 inch shank for wide compatibility with most drills. Optimized for wet drilling, this tool minimizes dust and vibrations, ensuring cleaner, faster cuts and extending bit life on challenging materials up to 1-1/8 inches deep. SUPERIOR ALTERNATIVE TO ANGLE GRINDERS: Eliminate the need for cumbersome angle grinders with our Drilax diamond hole saw. Experience easy, precise, and chip-free circular cuts, significantly speeding up your tile work and delivering professional-grade results for both DIY projects and contractor jobs. Ceiling Tile Hole Cutter: Ideal for plaster hole saw or ceramic hole cutter; perfect for installing recessed lights in bathrooms or plaster ceilings; diamond hole saw ensures precise cuts The Drilax 4-3/8" Diamond Hole Saw is your essential tool for achieving exceptionally clean, perfectly round holes in the toughest materials. Whether you're a professional contractor or a dedicated DIY enthusiast, this industrial-grade drill bit delivers unparalleled precision and efficiency for a wide range of demanding projects. Crafted with a premium diamond-coated rim and a robust, solid steel body, this hole saw is engineered for superior durability and a longer lifespan. It effortlessly cuts through ceramic, porcelain, glass, granite, quartz, marble, and various natural stone tiles, ensuring flawless results without chipping or cracking. This versatile core drill bit features a universal 3/8" standard shank, ensuring broad compatibility with most corded and cordless drills. Optimized for wet drilling, it minimizes dust and friction, providing faster cuts and extending tool life. It's an indispensable tool for numerous applications: Bathroom & Kitchen Plumbing: Create precise openings for standard toilet floor flanges, shower diverter valves, large sink drains, and water pipe access in walls and floors. Lighting Installations: Easily cut accurate 4-3/8 inch holes in plaster and ceramic ceilings for installing recessed light fixtures. General Tile Work: Perfect for any project requiring clean, circular cutouts in hard tile and stone surfaces, offering a superior alternative to angle grinders. Upgrade your home improvement work with the Drilax 4-3/8" Diamond Hole Saw. Achieve professional-grade finishes with ease, speed, and precision, streamlining your tile and stone cutting challenges.