Irwin - 3/8 in. X 11/64 in. D High Speed Steel Wood Countersink 1 pc

When creating pilot holes that offer a secure fit for screws, the IRWIN No 8 Tapered Countersink Tool is what you need if you want the job done easily and quickly. This countersink features a tapered drill with wide flutes that produce clean pilot holes at the depth you need. Made from high-speed steel, the Irwin No 8 tapered countersink tool is strong and durable.