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Product Overview
Introducing the premium 0.5‑13.0 mm Cobalt Stainless Steel Straight‑Shank Twist Drill – engineered for flawless performance on metal, iron, aluminum, and alloy workpieces. Crafted from high‑grade cobalt‑enhanced stainless steel, this drill delivers superior hardness, exceptional heat resistance, and long‑lasting sharpness, making it the ideal choice for precision drilling in demanding industrial and workshop environments.
Key Features
- Ultra‑hard cobalt alloy (5% Co) for excellent wear resistance and heat tolerance.
- Stainless‑steel construction resists corrosion, extending tool life.
- Straight shank design ensures perfect compatibility with standard chucks and collet systems.
- Twist‑drill geometry optimized for fast chip evacuation and reduced torque.
- Wide size range: 0.5 mm to 13.0 mm, covering micro‑drilling to larger holes.
- Ideal for drilling steel, stainless steel, cast iron, aluminum, and exotic alloys.
- Precision ground tip for clean, burr‑free holes.
Technical Specifications
- Diameter range: 0.5 mm – 13.0 mm (increments: 0.5‑2.1 mm, then 2.2‑2.9 mm, up to 13.0 mm).
- Length: Standard 100 mm (custom lengths available upon request).
- Material: Cobalt‑enhanced stainless steel (M35/HSS‑Co5).
- Shank type: Straight, 3‑flute design for rigidity.
- Coating: Optional TiN/TiAlN for increased surface hardness.
- Maximum cutting speed: 150 m/min (steel), 300 m/min (aluminum).
- Tolerance: ±0.01 mm (diameter), ±0.2 mm ( length).
Benefits & Applications
Whether you’re machining aerospace components, fabricating automotive parts, or performing precision repairs, this cobalt stainless‑steel twist drill offers unmatched durability and accuracy. Its heat‑resistant alloy allows higher cutting speeds without losing edge integrity, reducing cycle time and tool changes. Perfect for:
- Drilling hardened steels and stainless steels.
- Creating clean holes in cast iron and high‑strength alloys.
- Precision drilling of aluminum and copper for electronics.
- Production runs in CNC machines, manual lathes, and drill presses.
Why Choose This Drill?
Invest in a drill that stands up to the toughest materials while delivering consistent, high‑quality results. The combination of cobalt hardness and stainless‑steel corrosion resistance ensures your tool stays sharp longer, saving you time and money on replacements.
Price: $ 1.29