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Cobalt Drill Bits 1/2" Set, M35 HSS, 5 pcs with Case

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$36 USD
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Cobalt Drill Bit 1/2" Twist Drill Bits, M35 High Speed Steel Jobber Length Drill Bit, 135 Degree Tip for Hard Metal, Stainless Steel, Cast Iron with Index Storage Case, Pack of 5 pcs

1/2" cobalt drill bits in a 5-pack with an index case. M35 HSS withstands harder metals and provides precise drilling with a 135° tip. Customers note sharpness and good value, with mixed durability opinions

Highlights

  • 135 split-point for reduced walking
  • 5% cobalt content for hardness
  • index storage case included

Pros

  • 135° split-point for precise drilling
  • M35 cobalt for wear resistance
  • includes index storage case
  • polished tips for sharpness
  • suitable for hard metals

Cons

  • mixed durability feedback from customers

Best For

  • drilling into stainless steel
  • drilling into cast iron
  • drilling into mild steel
  • hard metal projects
  • home workshop fabrication
  • tooling and maintenance tasks

Features

  • 1/2" cobalt drill bits in a 5-piece set with an index storage case
  • M35 cobalt alloy increases hardness relative to standard HSS drills
  • 135° split point with fully ground straight shank for precise drilling
  • drill bits hardened and polished to improve sharpness and reduce wobble
  • suitable for drilling hard metals such as stainless steel and cast iron

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