3PCS Step Drill Bit Set for Metal, 1/8″-7/8″, M35 Cobalt, Hex Shank, AlTiN Coated

Power Through Metal with Precision and Speed

When you’re tackling tough materials like stainless steel, aluminum, or hardened metals, you need drill bits that won’t quit on you. This 3-piece step drill bit set delivers high-performance cutting power with outstanding durability. Featuring an advanced M35 cobalt high-speed steel construction and coated with wear-resistant AlTiN, these bits are built for precision drilling through metal. Whether you’re a professional fabricator or a weekend DIYer, this is the upgrade your tool kit needs.

Engineered for Superior Cutting Performance

Each step drill bit is designed with a triple-flute spiral design to provide greater stability and cleaner starts. The C-profile cutting edge enhances cutting speed while minimizing wandering. Combined with the thermal resistance and low friction of the AlTiN coating, these bits perform flawlessly even under heavy use and high temperatures.

Why You’ll Love This Step Drill Bit Set

• Wide Application Range: Drills clean holes from 1/8 inch up to 7/8 inch in diameter.
• Extreme Durability: M35 cobalt steel delivers increased toughness and longer tool life.
• Heat & Wear Resistant: AlTiN coating reduces friction and resists high heat, ideal for demanding jobs.
• Effortless Control: Spiral flutes and a stable hex shank allow smoother, more accurate drilling.
• Compact and Portable: Comes in a convenient case for easy organization and transport.

Best Use Applications

This set is ideal for metalworking tasks involving metal sheets up to 1/8 inch thick and stainless steel up to 0.04 inch. It’s perfect for creating clean holes in sheet metal, aluminum, plastic, or thin gauge stainless steel. Whether you’re working in a shop, garage, or on-site, these step drill bits deliver reliable results every time.

What Sets These Bits Apart?

What makes this set stand out is the perfect combination of cutting-edge materials and intelligent design. The M35 cobalt steel provides increased hardness and wear resistance. The triple-flute spiral construction reduces vibration and improves cutting efficiency. And the AlTiN coating adds a layer of toughness that protects against extreme heat and corrosion. Together, these features offer longer life, smoother cutting, and higher performance in a wide variety of materials.

Upgrade Your Drill Game Today

Stop wasting time with dull, underperforming bits. This 3-piece step drill bit set is the powerful, precise, and professional solution you need for metal drilling. Perfect your holes, finish faster, and get the cleanest results with every job. Add it to your tool collection now and experience the difference.