Our favorite, thanks to its four-flute design and carbide tips, is the five-piece Bosch Bulldog Carbide Set for use in hammer drills, which are often used as masonry drills. To cover all bases, we ...

EFFICIENT: The Bosch SDS-max carbide-tipped rotary hammer ... hammers to drill larger holes. VERSATILE: This core bit is versatile in application with materials including concrete, brick, and ...