6mm Thread M14 Diamond Core Drill Bit for Masonry & Stone
Premium tungsten carbide tip ensures ultra-precise drilling in tough materials like concrete, brick, and natural stone. Durable M14 threaded shank provides a secure fit with most power tools, reducing slippage and vibration for smooth operation. Laser-welded diamond segments deliver exceptional heat resistance and extended lifespan, even under heavy-duty use. Ideal for plumbing, electrical installations, and HVAC projects requiring clean, burr-free holes in hard surfaces. Global wholesale pricing guarantees unbeatable value for bulk orders—stock up for professional workshops or large-scale construction. Rigorous quality control ensures each bit meets industrial standards for precision and reliability.