Professional-Grade Vacuum Brazed Diamond Core Drill Bits
Premium vacuum brazed diamond segments ensure maximum durability and precision cutting through porcelain, marble, and hard tiles. High-quality M14 threaded shank provides secure attachment to drills, preventing slippage during operation. Precision-engineered 6mm-68mm range covers versatile hole sizes for plumbing, electrical, and HVAC installations. Laser-welded segments prevent premature wear, delivering smooth, chip-free edges in wet or dry drilling. Ideal for professional tilers, contractors, and DIY enthusiasts tackling ceramic, granite, or engineered stone. Optimized cooling grooves reduce heat buildup, extending bit lifespan during heavy-duty use. Exclusive bulk pricing for wholesale buyers—stock up on industry-leading performance at unbeatable rates.