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BOSCH 14-Piece Cobalt Drill Bit Set with Case (CO14B)

Exceptional durability makes this drill bit set a top choice.

Frowse Rating9.3/10

Available in a range of sizes.

This 14-piece drill bit set offers exceptional performance and longevity for metalworking tasks. Crafted from enhanced M42 alloy with an 8% cobalt content, these bits provide up to 10 times the life of standard bits. Each jobber-length bit features a split point design for superior penetration in tough materials like stainless steel.

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Frowse Rating 9.3/10

Best for: Professionals and DIY enthusiasts

Our Review

The BOSCH CO14B 14-Piece Cobalt Drill Bit Set is an exceptional choice for both professional tradespeople and DIY enthusiasts alike. The specially engineered thick web-helix design facilitates rapid material removal, making drilling through tough materials more efficient and less time-consuming.

With sizes ranging from 1/16" to 1/2", this versatile set caters to a wide array of drilling needs including stainless steel, cast iron, and aluminium, as well as lighter metals. Enhanced features such as a split point for bits over 1/8" ensure precise drilling, while larger bits with a three-flat shank offer improved grip in the chuck, preventing slippage during use. Whether you're tackling high-heat applications or working with hard-to-drill materials, this set stands out as a smart investment for quality and performance.

What we like

  • Manufactured with premium M42 cobalt alloy for enhanced durability
  • Delivers 10x the lifespan compared to standard bits
  • Features a thick web-helix design for efficient material removal
  • Ideal for drilling through hard materials like stainless steel and titanium
  • Varied bit sizes accommodate a wide range of applications

Our verdict

Exceptional durability makes this drill bit set a top choice.

Product Details

The BOSCH Cobalt M42 14-piece drill bit set is designed for professional metalworking applications. Made from upgraded M42 alloy steel with 8% cobalt, these bits are engineered to last up to 10 times longer than standard drill bits. The set includes sizes ranging from 1/16″ to 1/2″, catering to a variety of drilling needs. The bits are jobber-length and are suitable for drilling through materials such as stainless steel, cast iron, titanium, and aluminium.

Each bit features a split point design to enhance penetration, while sizes 3/16″ and above incorporate a three-flat shank for superior grip and stability. The thick web-helix design allows for faster material removal and improved stability in challenging applications. The drill bit set comes in a robust case for organised storage and easy access.

Product Details

  • Material: Enhanced M42 alloy with 8% cobalt
  • Sizes included: 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 3/16″, 7/32″, 1/4″, 5/16″, 3/8″, 1/2″
  • Jobber-length bits designed for high heat resistance and durability
  • Includes a protective case for organisation and portability
  • Split point for enhanced penetration in tough materials
  • Thick web-helix design for stability and fast material removal
ASIN:
B07Q9HNTBH
Brand:
Bosch
MPN:
CO14B

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