The Hertel Combo Drill & Countersink #4 combines drilling and countersinking operations in one efficient tool. Crafted from high-quality High Speed Steel with a bright polished finish, this versatile bit features a 5/16" body diameter and a precise 118° point angle for clean, accurate holes. The 1/8" point diameter and 1/8" point length provide excellent penetration and control, while the generous 5" overall length offers extended reach for deeper applications. This combination tool streamlines your workflow by eliminating the need to switch between separate drill and countersink bits, saving valuable time on your projects. Ideal for woodworking, metalworking, and general fabrication tasks where countersunk holes are required for flush screw heads. The Hertel Combo Drill & Countersink delivers professional results with every use.