Description
- 【Package Included】Contains 3 pcs HSS step drill bits (3–12mm, 4–12mm, 4–20mm), offering multi size drill bit functionality to cover 14 hole diameters. Quickly switch sizes without changing bits—perfect for metal drilling tasks that need speed and precision.
- 【High-quality Materials】These step drill bits are made of high-speed steel and plated with titanium alloy for durability. The coating reduces friction and heat, making them ideal for hard materials such as stainless steel, cast iron, and aluminum.
- 【Sharp Cutting Edge】 Each metal drill bit features a sharp cutting edge engineered for fast penetration with minimal pressure, ensuring clean, accurate holes without wandering. Enjoy smooth performance every time you drill.
- 【Anti-slip Design】The triangular metal drill bits for hard steel for hard steel lock securely into the drill chuck for better control and less slipping. It improves user safety and provides stable drilling performance
- 【Scope of Application】This step drill bit for metal is suitable for drilling or enlarging holes in steel, PVC, plastic, wood, and aluminum. Ideal for DIY enthusiasts, construction professionals, or workshop drilling projects using standard electric drills.
