Set of 3 Step Drill Bits, 4-12/20/32mm, Titanium Conical Triangle, with Hex Shank, for Drilling on Steel, Brass, Wood, Plastic

Premium quality: Made of high speed steel with titanium coating, fully polished, forged and heat treated, strong and durable. Titanium coating to reduce friction and heat of steel. Comes with a five-step bit 4 to 12 mm, a nine-step bit from 4 to 20 mm, and a fifteen-step bit from 4 to 32 mm.

Hex Shank: Comes with standard 1/4" hex shank, fits all power tools such as electric drill and electric screwdriver. The hex shank can simply stick the drill bits stably into a bit holder without screwdriver, prevents slipping when chuck.

Double Flute Design: Double flute design for optimal speed and precision, smoother cutting, each step is clearly labeled with depth diameter in steps. Comes with a little pressure and cuts very easily Wood, brass, steel, plasterboard, and other surfaces. Multifunctional: Suitable for cutting holes in a variety of materials, including mild steel, brass, wood, plastic, aluminum, copper, plasterboard, metal materials, fiberglass, PVC, etc. Carry with a nylon pouch, convenient to store in a bag, car, or at home. Perfect for professional and home use. Note: All data is measured manually. Please allow for a 1-3 cm error due to differences in lighting and display. There may be slight color variations; please refer to the actual item received.