Precision Drilling Made Easy
Take your metalworking projects to the next level with this spiral flute step drill bit, engineered for professionals and DIY enthusiasts alike. Designed with an advanced triple-flute structure and coated with ultra-durable AlTiN, this bit cuts smoothly through a wide range of metals while reducing friction, heat, and wear. Whether you’re expanding holes or tackling tough stainless steel, this drill bit delivers clean, precise results every time.
Product Features
This step drill bit is crafted from high-speed M35 cobalt steel, ensuring toughness and superior bending strength. The AlTiN coating, rated at 89 HRC, resists heat up to 1650°F and provides excellent wear resistance and low friction performance. Featuring nineteen step sizes ranging from 1/4 inch to 1-3/8 inch, it eliminates the need for multiple bits when working with sheet metals, plastics, or composites. It includes a 3/8 inch shank for secure and stable grip in most standard chucks.
Benefits
- Precision spiral flute design – Reduces deviation and ensures smoother cutting
- Durable AlTiN coating – Provides exceptional hardness and heat resistance
- M35 cobalt steel – Built for tough materials like stainless steel and low-carbon steel
- Nineteen step sizes – Versatile drilling from 1/4 inch to 1-3/8 inch in one tool
- Safe and stable – Triple-flute design increases stability and control during cutting
When to Use
This step drill bit is ideal for metal fabrication, automotive work, HVAC installation, or any project requiring smooth, precisely sized holes in metal, plastic, or composite sheets. Use at low speeds and light pressure with cutting oil for best results, especially on tougher materials like stainless steel.
Get Professional Results Every Time
Upgrade your toolbox with this premium spiral flute step drill bit. Order yours today and experience faster, cleaner, and more efficient drilling in every project!
