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Drill America 15/32" cobalt heavy-duty drill bit set (6 pc) D/ACO

Drill America ★ 3.6/5 · ItemOracle Score Mid-Range

$83 USD
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Drill America 15/32" Cobalt Heavy Duty Drill Bit (Pack of 6), D/ACO Series

Cobalt steel drill bits with round shanks for versatile toolholding. Designed for cutting harder metals with improved performance and durability. Customers note quality, sharp cuts, and longer life in comparison to similar bits

Highlights

  • cobalt alloy for hard metals
  • round shanks for broad compatibility
  • aerospace-standard manufacturing reference

Pros

  • cobalt steel composition for harder metals
  • round shank for versatile toolholding
  • sharp cuts and durable performance
  • pack of 6 for value
  • manufacturer follows aerospace standard 907

Cons

  • angle feedback noted as mixed
  • performance comparisons vary by brand

Best For

  • drilling stainless steel
  • drilling nickel alloys
  • metalworking applications requiring hard-material bits
  • high-speed drilling with robust materials
  • counterclockwise direction chip evacuation when using right-hand cut tools
  • aerospace-standard manufacturing contexts

Features

  • Cobalt steel tools offer enhanced performance when cutting harder metals such as stainless steel or nickel alloys
  • Gold oxide indicates a thinner oxide surface treatment and performance similar to uncoated tools
  • Round shanks accommodate a wide variety of toolholding systems
  • Right-hand cut spiral flutes evacuate chips up and out of the cut to reduce clogging
  • Manufactured to National Aerospace standard 907

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