Diablos SDS-Max carbide tipped core bit range provides one of the fastest and longest lasting coring solutions on the market for concrete applications. All-in-one design strengthens the bit from end-to-end in order to withstand the stress and impact of high-powered hammer drills in concrete. A spiral flute design removes dust faster, keeping the carbide teeth cooler for ultimate strength and durability. Optimized for maximum performance in corded and cordless SDS-Max rotary hammers.