Diamond Core Drill Bit Set | M14 Thread | 6-70mm for Porcelain, Granite & Marble

Achieve clean, precise 6-70mm diameter holes in the hardest materials with this M14 thread diamond dry vacuum brazed drilling core bit. Engineered for professional-grade dry drilling, its advanced vacuum brazing process ensures superior diamond retention for extended bit life and faster cutting speeds in porcelain, granite, and marble. Features and Benefits - Vacuum Brazed Diamond Segments - Provides exceptional bond strength for maximum diamond particle retention, resulting in a longer-lasting, more aggressive cutting edge. - M14 Universal Thread - Ensures a secure, wobble-free connection with a wide range of standard drill chucks and angle grinders for stable, controlled operation. - Dry Drilling Design - Engineered for efficient heat dissipation and dust extraction, allowing for continuous operation without water cooling in most hard materials. - 6-70mm Diameter Range - Offers versatile sizing for a multitude of installation tasks, from small plumbing fittings to larger electrical conduits. - Reinforced Steel Core Body - Delivers the rigidity needed to prevent flex and vibration under load, ensuring straighter, more accurate holes. Applications - Tile and Stone Installation - Create perfect holes for shower fixtures, towel bars, and plumbing penetrations in porcelain, ceramic, and natural stone tiles. - Countertop Fabrication - Drill clean openings for sink faucets and soap dispensers in granite, marble, and quartz kitchen or bathroom countertops. - Masonry and Construction Work - Bore precise holes for anchors, conduits, and pipes in hard brick, concrete blocks, and other masonry surfaces.