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Crosstar M35 Cobalt Drill Bit Set, 21pc

Crosstar ★ 3.4/5 · ItemOracle Score Mid-Range

$42 USD
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Crosstar M35 Cobalt Drill Bit Set - 21pcs 1/16"-1/2" Titanium Coated Self-Centering Metal Drill Bits for Hardened Steel, Stainless Steel, Cast Iron | Bullet Point Tip, High-Speed Jobber Bits

M35 cobalt drill bits with TiAlN coating designed for hardened metals and high-heat applications. 3X lifespan improvement over standard titanium coatings. Customer insight notes mixed sentiment

Highlights

  • M35 cobalt alloy for hardness
  • TiAlN coating for heat resistance
  • 1/16" to 1/2" size range

Pros

  • high-cobalt alloy for hardened metal penetration
  • TiAlN coating extends lifespan
  • self-centering jobber bits for accuracy
  • covers a range from 1/16" to 1/2"
  • suitable for stainless steel and cast iron

Cons

  • customer insights mention mixed feedback

Best For

  • drilling hardened steel
  • tapping stainless steel
  • cast iron projects
  • metal fabrication
  • home workshop metalwork
  • high-heat drilling applications

Features

  • M35 cobalt alloy for hardened metal (HRC 50+) penetration
  • TiAlN coating extends durability and reduces friction
  • Self-centering precision pilot point minimizes walking with 0.1mm accuracy
  • 21-piece kit includes 16 sizes from 1/16" to 1/2" with duplicates
  • Industrial 135 split point prevents chipping in metalworking tasks

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