Engineered for fast and efficient coring, these premium diamond bits deliver exceptional drilling life in poured, steel-reinforced, and pre-stressed concrete. Designed to meet Diamond Core Drilling Manufacturers Association standards, they ensure smooth and steady performance across various hard surfaces.

• 4 in. nominal bit size outer diameter for precise coring
• Premium series design offers exceptional drilling life with smooth, steady effort
• 14 in. tube length with 1-1/4 in. - 7 thread size for compatibility
• Conforms to Diamond Core Drilling Manufacturers Association standards
• Threaded back for secure attachment to the Diamond Drill Motor