5PCS 1/4” Cobalt Drill Bit Set, Titanium Aluminum Nitride(TiAlN) PVD Coated M35 High-Speed Steel Twist Drill Bit for Metal, Stainless Steel, Cast Iron, Titanium, Aluminum

★★★★★ 5.0 134 reviews

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Management number 219055209 Release Date 2026/05/03 List Price $3.60 Model Number 219055209
Category
  • Advance PVD Coating: Our ColumPRO 1/4" Cobalt Drill Bit Set features a Titanium Aluminum Nitride (TiAlN) PVD coating, providing a 20x increase in durability and heat resistance. Perfect for professionals working with metal, stainless steel, cast iron, titanium, and aluminum, these drill bits are engineered to last longer even under the toughest conditions.
  • Precision Drilling: Constructed from M35 high-speed steel with 5% cobalt, this drill bit set is specifically designed for drilling through hard metals, including stainless steel, cast iron, and titanium. The combination of cobalt and steel ensures precise, clean holes every time, making it an essential tool for metalworking.
  • Enhanced Performance: The ColumPRO O082 model delivers enhanced performance, reducing friction and heat buildup, thanks to its Titanium Aluminum Nitride (TiAlN) PVD coating. Ideal for metalwork professionals, this 5-piece set ensures high efficiency and smooth operation when drilling into tough materials.
  • Versatile Application: This 1/4" cobalt drill bit set is versatile enough to handle a variety of metals, including stainless steel, cast iron, titanium, and aluminum. With its high-speed steel construction and advanced PVD coating, it’s perfect for both professional workshops and DIY enthusiasts seeking reliable, long-lasting drill bits.
  • Heavy-Duty: Engineered to withstand extreme conditions, the ColumPRO cobalt drill bits offer superior heat resistance, making them perfect for high-intensity drilling tasks. The M35 high-speed steel with cobalt content and TiAlN coating ensures these bits remain sharp and effective even under continuous use.
Set Name 5-Piece Set
Brand Name ColumPRO
Shank Type Round
Unit Count 5.0 Count
Part Number O082-5
Finish Types Titanium Aluminum Nitride
Manufacturer ColumPRO
Material Type High Speed Steel with Cobalt
Tool Flute Type Spiral
Cutting Diameter 6.35 Millimeters
Number of Flutes 2
Surface Recommendation Aluminum, Cast Iron, Stainless Steel, Titanium

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