5PCS Step Drill Bit Set

Features:
Made of high-quality high speed steel and Titanium coating, wear resistant, not easy to rust, has a long service life. hard and sharp enough to drill through wood, plastic, steel and sheet metal.
Type 118X opening design, effectively reduce drill slip.
Two-flute design provides faster, smoother and accurate cutting; Tri-flatted shank can be easily fit into power driver and drill.
Compatible with a variety of machines, used for most bench drill, electric hand drill, cordless drill and other models. Different