Drill America D/ACO3/8X3/4 3/4" Cobalt Reduced Shank Drill Bit, 3/8" Shank

SKU: DAD_ACO3_8X3_4
Regular price $65.92

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Drill America D/ACO3/8X3/4 Cobalt Reduced Shank Drill Bit (3/4" x 3/8" Shank)

The Drill America D/ACO3/8X3/4 Cobalt Reduced Shank Drill Bit is engineered for demanding drilling applications where strength, heat resistance, and precision matter. Built from high‑performance cobalt steel, this 3/4" drill bit delivers exceptional durability and maintains red hardness under extreme temperatures—allowing drilling speeds up to 30% faster than standard M2 high‑speed steel bits.

Featuring a 135° split point tip, this bit cuts cleanly and quickly with reduced walking, making it ideal for accurate hole placement in tough materials. The 3/8" round reduced shank allows compatibility with a wide range of handheld drills and tool‑holding systems, giving you big‑bit performance without requiring a large chuck.

Perfect for machining stainless steel, titanium, Inconel, and other high‑tensile alloys, this Drill America cobalt bit is a reliable choice for automotive, industrial, fabrication, and shop environments where consistent performance is essential.

Key Features

  • Cobalt construction for superior heat resistance and long tool life
  • Effective on high‑tensile materials including stainless steel, titanium, and Inconel
  • 135° split point for fast penetration and accurate drilling
  • Reduced 3/8" round shank fits standard drill chucks
  • High red hardness allows speeds up to 30% higher than M2 HSS
  • Right-hand cutting direction
  • Made for professional metalworking applications

Specifications

  • Size: 3/4"
  • Material: Cobalt
  • Finish: Gold
  • Flute Length: 3"
  • Overall Length: 6"
  • Shank Size: 3/8"
  • Shank Type: Round
  • Style: Reduced Shank
  • Cutting Angle: 135°
  • Point Type: Split Point
  • Flutes: 2
  • Cutting Direction: Right Hand

Need More Drill America Products?

We carry the full Drill America lineup. Contact us at sales@tillmantools.com for availability & quotes.

About Us

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