Combination Drill Bit, Wood & Masonry, 1/4″ x 4″ (DBC-144) – Jonard

Designed to drill through wood and masonry walls for installing computer, security, phone, and cable small wire systems, this combination bellhanger drill bit eliminates the need to carry multiple drill bits with you, perfect for any installer. 

Aggressive tip drills through wood, masonry, and other similar materials with ease

4″ length for extra stability and portability

Black oxide coated shaft and powder coated blue for greater rigidity, durability, and rust resistance