ONUEMP Hexagonal Step Extra Titanium HSS Steel Hexagonal Spiral Drill, 1-Piece Set, Spiral, Sharp, Coated, Drill, (4-32mm)

Single unit: 4-32 mm, 15 rows (length 77 mm) High-speed steel 4241: Our step drills are made of ultra-hard high-speed steel (HSS steel 4241) with a titanium-coated surface, making them harder and sharper than ordinary steel step drills. Wide range of uses: An essential tool for drilling stainless steel, thin steel plates, aluminum plates, wood, vinyl, resin, and other materials, as well as for home DIY projects, enlarging pilot holes, chamfering, deburring, and more. A must-have item for home and work. Applicable scenes: The step drill enlarges holes in order from small to large, allowing for drilling of multiple sizes and hole enlargement correction. In addition, the shaft is hexagonal, so it can also be used with an impact driver. Compatible models: Impact drivers, electric drills, and rechargeable drills (rechargeable drills must be 12V or higher). In addition, the shaft is hexagonal, so it can also be used with an impact driver. hexagon wheel