Core Bits For Concrete - X300 - Concrete

Designed for HVAC contractors drilling through cured concrete walls and floors to install ductwork and refrigerant lines. This 7-inch X300 series core bit from Diamond Vantage features a .155-inch segment thickness and 1 1/4-7 thread arbor connection for professional core drilling rigs. The X300 designation indicates concrete-specific diamond matrix formulation that maintains cutting speed while delivering extended segment life in standard to moderately reinforced concrete applications. Segment design provides adequate cooling and debris clearance during wet drilling operations. Suitable for creating penetrations up to 7 inches in diameter through foundation walls, tilt-up panels, and structural concrete members. Built for drilling contractors and mechanical trades running mid-size core rigs on commercial and industrial job sites.