BOSCH HC8517 2 1/4 Inch X 22 Sds Max Rotary Hammer Core Bit, Gray

Core bits with wave design deliver larger, cleaner holes up to 6-Inch in diameter Carbide-tipped centering bit Asymmetrical carbide teeth for faster cutting, longer life All-in-one core transmits power directly to the end of the bit Wave design transfers energy to bit more effectively for up to 40-Percent faster drilling vs. previous design, Weight: 1.64 pounds, Manufacturer: Bosch