Description
- Precision multi-size drilling: This comprehensive step drill bit set includes three titanium-coated step bits (3-12mm, 4-12mm, 4-20mm) with 24 total cutting steps, allowing you to create perfect holes without changing bits, the included fabric case keeps your bits organized and portable
- Leading durability: This step drill bit set for metal is crafted from high-speed steel (HSS) with titanium coating, these bits offer longer lifespan than standard bits, the advanced coating reduces friction while enhancing heat and wear resistance for smooth drilling through stainless steel, cast iron, and hardwoods
- Anti-slip performance: The step drill bit 3-12mm set features a patented bifurcated tip design that bites into material instantly, eliminating dangerous bit wandering, the aggressive cutting geometry requires less pressure than conventional bits while maintaining complete control during operation
- Universal compatibility: The step drill hex shank securely fits all standard drill chucks, impact drivers, and magnetic bit holders, the drill bits can process different diameter holes, perfect for professionals and DIY working with sheet metal, PVC, aluminum, copper, plywood, and composite materials
- Efficient workflow: Each progressive cone drill bit is laser-marked for precise diameter selection, the flute design efficiently removes chips while the 135° split point tip starts cuts instantly, reducing work time greatly compared to traditional drill bit sets
