Clamp-On CounterBore, 1-1/2 OD, 1/2 ID,

Description

Adjustable Counterbore, Style # 5A – Counterboring Flat Bottom Holes –  1 1/2 Cutting Diameter, 1/2 Center Drill Diameter, 2 Overall Length. Drill is held in place with two opposing set screws. Please note that center drills are not included in the sale of counterbores.