Brazed Single Flute Gun Drill — Deep Hole Drilling Ø3–45mm | Tungstool

Brazed gun drills are a type of gun drill often used for deep holes. When set up correctly, they can make very precise holes (like IT7 grade) in just one pass.
Gun drilling itself is a highly efficient and effective way to drill deep holes. It works well not only on dedicated gun drilling machines but also on many CNC machines that work with metal.