27mm Dia Carbide Tip Round Shank Wood Cutting Hole Saw Hinge Boring Drill Bit

Precision ground for heavy use and easily sharpened ?it can enlarge existing holes with ease and bore any arc of a circle. Carbide tip is specially designed to pass through hole cleanly in end grain and thin stock great for boring concealed hinges and door clocks. We use the finest industrial quality micrograin carbide to produce very sharp cutting edges and improve cutting resistance. Work with an electric drilling tool (not included).