10PCS 1.0mm-3.0mm M35 HSS-CO Cobalt Drill Bits Set, High Speed Steel Twist Drill Bits for Stainless Steel

Premium Performance for Tough Materials

Upgrade your drilling tasks with our 10PCS 1.0mm-3.0mm M35 HSS-CO Cobalt Drill Bits. Engineered for stainless steel, hardened steel, and other tough metals, these high-speed steel (HSS) twist drill bits deliver unmatched durability and precision. The 5% cobalt infusion enhances heat resistance, reducing wear and extending bit life—even under heavy use.

Why Choose M35 HSS-CO Cobalt Drill Bits?

• Superior Hardness & Wear Resistance – The M35 HSS-CO composition ensures long-lasting sharpness, preventing premature dulling.
  

• Cobalt-Enhanced Strength – With 5% cobalt, these bits withstand extreme temperatures, making them ideal for stainless steel and hardened metals.
  

• Precision Drilling – Clean, burr-free holes thanks to the high-speed steel twist design.
  

• Reduced Breakage – Reinforced to resist cracks and edge chipping, even under high pressure.
  
  

Ideal for Professionals & DIY Enthusiasts

Whether you're a metalworker, machinist, or DIY hobbyist, this 10-piece drill bit set (1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm) covers a wide range of applications. Perfect for:

• Stainless steel fabrication
  

• Automotive & aerospace metalwork
  

• Hardened steel drilling
  

• Precision tooling & machinery repairs
  
  

Durable, Reliable, and Built to Last

Unlike standard drill bits, our M35 cobalt twist bits maintain sharpness through repeated use, saving you time and money. Get professional-grade results without the high cost—order your set today!