The Hertel Combo Drill & Countersink #4 combines precision drilling and countersinking in one efficient tool. Crafted from solid carbide with a bright polished finish, this versatile bit features a 5/16" body diameter and 118° point angle for optimal performance. The 1/8" point diameter and 1/8" point length ensure accurate starts and clean holes, while the generous 4" overall length provides excellent reach for various applications. This right-hand cut tool delivers professional results when working with wood, plastic, or soft metals. The combination design saves time by eliminating the need to switch between tools, making your projects more efficient. Ideal for creating pilot holes with perfectly matched countersinks for flush screw heads in cabinetry, furniture making, and general woodworking applications.