Vacuum Brazed 16Pcs Diamond Drilling Core Bit Kit – Professional Precision for Tough Materials
Premium vacuum-brazed diamond grit ensures ultra-durable cutting edges for porcelain, marble, granite, and stone. High-speed steel core with laser-welded segments prevents wobbling and extends lifespan. Precise 4-32mm diameter range (16 sizes) for versatile applications: tile plumbing, electrical installations, HVAC, and artisan stonework. Dry/wet drilling compatible with standard drills. Industrial-grade heat dissipation design minimizes friction and reduces bit wear. Non-slip hex shank ensures secure grip in rotary tools. Ideal for contractors, masons, and DIY enthusiasts seeking crack-free, burr-less holes. Bulk packaging optimized for wholesale buyers.