Precision-Crafted Sintered Diamond Core Drill Bit for Granite & Stone

Industrial-Grade Durability
Featuring high-density sintered diamond segments for superior hardness and heat resistance, ensuring extended lifespan even under heavy-duty use.
Ultra-Fast Wet Drilling
Optimized segmented design maximizes cooling efficiency during wet drilling, preventing overheating and delivering smooth, precise cuts in granite, marble, and hard stone.
Straight Shank Compatibility
Universal 10mm straight shank fits most standard drills and rotary tools, offering effortless setup and stable performance.
Versatile Application
Ideal for professional construction, countertop installation, and DIY projects requiring clean, burr-free holes in brittle materials.
Bulk Supply Advantage
Direct factory pricing with wholesale quantities available—stock up for large-scale projects without compromising quality or budget.