Hillman Tapper Drill Bit, 3/16″ x 4-1/2″

Carbide-tipped bit drills into brick, concrete and hollow block for concrete anchor insertion.

Bit size: 3/16″ dia., x 4-1/2″L.

For use with anchor size: 1/4″ x 2-1/4″ to 2-3/4″.