Core Drill Bits for Tiles Marbles

Drill Bit Overheat During Prolonged Drilling? Our product features a built-in water-absorbent sponge that quickly cools down the drill bit during operation. Inaccurate Or Rough Holes By Low-Quality Drilling? The tip is coated with diamond, our product brings a clean and neat cutting. Debris Getting Stuck In The Drill Bit Hole? Our product is equipped with a built-in spring mechanism that promptly and automatically disposes of debris. KEY FEATURES DRY AND WET DRILLING: These core drill bits are designed for both dry and wet drilling. The built-in water-absorbent sponge allows for quick cooling during wet drilling, providing a hands-free experience and enhancing drilling efficiency. DIAMOND SOLID STEEL: Crafted with diamond solid steel, these drill bits are incredibly strong and durable. The high anti-corrosion brazing process enhances their longevity, while the thick diamond coating on the top ensures excellent cutting strength for precise and smooth cutting. NO CLOGGING: The powerful