Diamond Coring Drill Bits For Concrete And Granite

Enhance your drilling efficiency and precision with this core drill bits. The diamond material enables fast & precise. Top-quality diamond segments for a wide range of hard materials. Ideal for construction, renovation, and masonry projects. KEY FEATURE SHARP & HARD - Split tooth corrugated cutter provides fast drilling speed. With robust steel body, it drills smoothly, offer perfect holes without broken edges. STABLE & SAFE - The exceptional concentricity minimizes wobbling and ensures the hole remains accurate and symmetrical, which ensures a rapid and precise drilling WET & DRY DRILLING - Specially designed for dry drilling, it can be flexibly used for wet drilling. It comes with side holes for cooling. WIDE COMPATIBILITY - It utilizes standard hexagonal joints and fits all M22 Thread rigs on the market. It is suitable for both handheld and stationary rigs. USAGE INSTRUCTIONS Step1: install the drill bit on the rig Step2: place the drill at a 15-45 degree angle. D