Stepped drill bits, 5 pieces, 1 automatic center punch, titanium-coated double-flute conical drill bit with case

【Automatic Center Punch】: The automatic center punch delivers an automatic, high-impact, spring-loaded strike. Its brass body has a deeply knurled surface for non-slip control. The aluminum protective case offers convenient storage and transport. 【Double Cutting Blades and Trilateral Shanks】: Double cutting blades and an X-shaped opening design ensure faster and smoother cutting; the 3-sided shank design prevents the drill chuck from slipping; with minimal pressure, the set can cut wood, sheet metal, steel, and other surfaces. 【HSS AND TITANIUM COATING】: High-speed steel makes the step drill bit set more durable, and the titanium coating can easily cut through steel, aluminum, copper, plastic, wood, and many other types of sheet metal. 【TIME SAVING】: Covering a variety of step sizes, you can drill or enlarge different holes on a single drill bit without constantly changing bits. The dimensions are laser-etched into the metal so they can be drilled accurately and won't wear out even with prolonged use. 5-Piece Titanium Coated Hole Saw Set, Large HSS Step Drill Bit Set, Spiral If you need a highly satisfactory step drill stop, this is what you need. The step drill bit is made of HSS high-speed steel, lined with a titanium alloy, and is durable. Ideal for drilling holes in various materials such as steel, brass, wood, plastic, sheet metal, aluminum, insulation board, PVC board, etc. Widely used and of concern to: Compatible models: bench drill, hand drill, rechargeable drill. Tapered for drilling larger, deeper holes, or enlarging openings in drilled areas. Knife-edge design for faster cuts and automatic deburring during drilling. Feature Double cutting blade design for faster and smoother cuts High-speed steel for longer life Quick-change HEX shank for easy installation. One drill can drill holes of different sizes Advantages: 1. Use a twist drill bit: Step drilling is used for pre-drilling to reduce damage to the drilling workpiece during drilling. 2. CNC machine tools, each process is strictly controlled, and each step is subject to quality control. 3. Compared to twist drill bits, step drill bits are not easy to break and can drill holes of different sizes. Two-blade design: Better chip evacuation and faster drilling. Increase your productivity. X-shaped opening design for easy chip removal during drilling. Attractive and functional design Home improvement and general building monitoring / technology. A nice aluminum box collects the drill and provides the necessary kit. Longevity The center punch is made of impact-resistant alloy steel for easy positioning before drilling and breaking glass. Position and pre-drill