The Hertel Combo Drill & Countersink #4 combines precision drilling and countersinking in one efficient tool. Featuring a 5/16" body diameter and a 118° point angle, this versatile tool is crafted from premium cobalt material for exceptional durability and heat resistance when working with tough materials. The bright polished finish provides smooth operation and helps prevent material buildup during use. With a 1/8" point diameter and 1/8" point length, this combo tool delivers accurate holes with perfectly matched countersinks for flush screw heads. The generous 5" overall length offers excellent reach for various applications. Ideal for professional woodworkers, metalworkers, and serious DIY enthusiasts who demand precision and efficiency in their projects. This Hertel tool streamlines your workflow by eliminating the need to switch between separate drill and countersink bits.