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BOSCH [CO2139] Cobalt Metal Drill Bit

  • High-temperature resistance up to 1,100°F.
  • Thick web design for increased stability.
  • Surface hardened for tough material penetration.
  • Jobber length for versatile drilling applications.
  • Ideal for light-gauge metal and high-carbon steel.
  • Compatible with aluminum, stainless steel, and titanium.
  • Perfect for cast iron and alloy steel drilling.

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Best Alternatives and Similar Products for BOSCH [CO2139] Cobalt Metal Drill Bit

The best Metalworking & Multipurpose Drill Sets includes LingGan 13PCS Metric Cobalt Drill Bit Set, STROTON M42 Cobalt Drill Bits Set (19pcs), VALYRIANTOOL 1/8" Cobalt Extension Drill Bits (5PCS) and many others as mentioned below.

1

LingGan 13PCS Metric Cobalt Drill Bit Set

Best Product
  • Exceptional durability with M35 high-speed steel.
  • Suitable for stainless steel, iron, copper, aluminum.
  • 13 different sizes from 1.5mm to 6.5mm.
  • Advanced heat resistance for high-temperature performance.
  • Professional-grade drilling solution for accurate results.
  • Portable design for convenient use and storage.
  • Outstanding wear resistance for long-term reliability.
  • Price Range: $8.99
  • Size: 1.2mm,1.5mm,1.6mm,2mm,2.5mm,2.6mm,2.8mm,3mm,3.2mm,3.3mm,3.3mm 10pcs,3.5mm,3.5mm 10pcs,4mm,4mm 10pcs,4.2mm,4.2mm 10pcs,4.5mm,4.5mm 10pcs,4.8mm,5mm,5mm 10pcs,5.2mm,5.2mm 10pcs,5.5mm,5.5mm 10pcs,6mm,6mm 10pcs,6.5mm,6.5mm 10pcs,6.7mm,6.7mm 10pcs,6.8mm,6.8mm 1
  • Material: M35 Cobalt High Speed Steel

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    2

    STROTON M42 Cobalt Drill Bits Set (19pcs)

    Best Product
  • Premium M42 8% Cobalt Steel for durability.
  • 68-70 HRC for superior hardness and strength.
  • Efficiently cuts through stainless steel and hard metals.
  • Produces long strips of iron chips while cutting.
  • Drill faster with three to five times more efficiency.
  • Includes 19 pieces in 0.5mm increments.
  • Cost-effective with lowest cost per hole.
  • Price Range: $36.89
  • Material: Cobalt

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    3

    VALYRIANTOOL 1/8" Cobalt Extension Drill Bits (5PCS)

    Best Product
  • 5PCS 1/8" cobalt drill bits included.
  • Durable M35 high-speed steel construction.
  • 135-degree split point for precision drilling.
  • Fully ground design for efficient particle clearance.
  • Suitable for metal, wood, and plastic drilling.
  • No center punch needed for accurate starts.
  • 90-day satisfaction guarantee or your money back.
  • Price Range: $15.59
  • Material: High Speed Steel, Cobalt Steel, Cobalt

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    4

    YOHANSEN 29-Piece Cobalt Drill Bit Set

  • 29-piece drill bit set for versatile applications.
  • Premium high-speed steel with black and gold finish.
  • 135° split point for accurate drilling starts.
  • Efficient twist design reduces heat and clears debris.
  • Ideal for metal, wood, and plastic materials.
  • Durable indexed storage case for easy organization.
  • Great for professionals and DIY enthusiasts alike.
  • Price Range: $34.99
  • Material: High Speed Steel, Cobalt Steel, Cobalt

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    5

    Dremel 628 Precision Drill Bits Set

  • Includes 7 precise metal drill bits.
  • Compatible with various Dremel rotary tools.
  • Drill sizes range from 08 mm to 32 mm.
  • Ideal for wood, metal, plastic, and plexiglass.
  • Convenient storage in a tool box included.
  • Perfect for woodworking and masonry projects.
  • Multipurpose set for versatile drilling needs.
  • Price Range: $8.94
  • Material: Metal

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    6

    Pro Edge Technology 13pcs Cobalt Drill Bit Set

  • Includes 13 commonly-used drill bit sizes.
  • M35 cobalt material for longer lifespan.
  • 135° split point for easier penetration.
  • Twist design improves debris removal efficiency.
  • Versatile for metal, wood, and plastic materials.
  • Comes with a sturdy storage case.
  • Ideal for professional and DIY projects.
  • Price Range: $9.99
  • Material: Cobalt Steel (HSS with 5% cobalt)

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    7

    Bonsicoky 21Pcs Mini Drill Bit Set

  • 21-piece mini drill bit set for precise drilling.
  • High-speed steel construction for durability and strength.
  • Includes a mini pin vise for easy handling.
  • Compact storage box for convenient organization.
  • Various sizes from #61 to #80 for versatility.
  • Perfect for jewelry making and DIY projects.
  • Designed for clean, smooth cutting surfaces.
  • Price Range: $7.49
  • Material: High Stainless Steel

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    8

    Hymnorq (10-Piece) Cobalt Steel Drill Bit Set

  • Made from durable M35 cobalt steel.
  • Precision drilling with 135° split point design.
  • Fully ground for optimal drilling performance.
  • Versatile for metal, wood, and plastic applications.
  • Meets DIN338 standards for professional quality.
  • Compact 10-piece set for various projects.
  • Includes tough transparent PP case for storage.
  • Price Range: $10.89
  • Material: Cobalt

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    9

    Accusize 18 Pc H.S.S. Tap and Drill Set

  • Complete 18-piece high-speed steel (H.S.S.) set.
  • Includes various UNC tap and drill sizes.
  • High quality, fully ground for efficiency.
  • Precision matched taps and drills included.
  • Manufactured from solid high-speed steel.
  • Meets ANSI standards for quality assurance.
  • Ideal for both professionals and DIY enthusiasts.
  • Price Range: $47.00
  • Material: High Speed Steel

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    10

    Relaxrich Eccentric Four-Flute Drill Bit Set (7PCS)

  • Fast drilling with four-blade serrated design.
  • Threaded chip removal for smooth operation.
  • Hex anti-slip shank for secure grip.
  • Durable alloy steel for long-lasting use.
  • Cross-head tip enhances cutting power.
  • Professional-grade for cleaner, accurate holes.
  • Set includes seven versatile sizes.
  • Price Range: $27.99
  • Color: 7PCS:3.4.5.6.8.10.12mm

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    11

    STROTON M42 Cobalt Drill Bits (5mm, 4pcs)

  • Premium M42 8% Cobalt Steel construction.
  • High hardness rating of 68-70 HRC.
  • Excellent resistance to heat and wear.
  • Efficiently cuts stainless steel and hard metals.
  • Long tool life with reduced cost per hole.
  • 135-degree split point for precise drilling.
  • Includes 4 pieces of 5mm drill bits.
  • Price Range: $12.00
  • Material: High Speed Steel, Cobalt

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    12

    Generic Eccentric Drill Bit Set (6Pcs)

  • High-performance drill and tap combination saves time.
  • Titanium-coated for durability and heat resistance.
  • Unique thread cutting for clean, smooth threads.
  • Available in multiple sizes for versatility.
  • Compatible with metal, wood, and plastic materials.
  • Efficient for both major projects and quick fixes.
  • Streamlined design enhances drilling efficiency and performance.
  • Price Range: $13.89
  • Color: 6pcs(4/5/6/8/10/12)
  • Material: Metal

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    13

    METALLIXITY 6mm HSS Drill Bits (5 Pcs)

  • Suitable for wood, plastic, and low-hardness metals.
  • 6mm cutting diameter for versatile applications.
  • Made from high-speed steel for durability.
  • Uncoated bright finish for enhanced smoothness.
  • 118-degree point for faster drilling performance.
  • Includes 5 drill bits for home projects.
  • Recommended to drill a guide hole first.
  • Price Range: $6.99
  • Size: 0.5mm,0.6mm,0.7mm,0.8mm,1mm,1/4 in (6.35mm),1/8 in (3.175mm),1.1mm,1.2mm,1.3mm,1.4mm,1.5mm,1.6mm,1.7mm,1.8mm,2mm,2.5mm,3mm,3/32 in (2.381mm),3.2mm,3.5mm,4mm,4.2mm,4.5mm,5mm,5/16 in (7.938mm),5/32 in (3.969mm),5.2mm,5.5mm,6mm,6.2mm,6.5mm,6.8mm,7mm,7/32 in
  • Material: 4241 High-Speed Steel

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    14

    Generic Eccentric Drill Bit Set (4-12mm)

  • High-performance drill bit set for efficiency.
  • Titanium coating enhances durability and heat resistance.
  • Available in multiple sizes for versatile applications.
  • Creates clean, smooth threads effortlessly.
  • Compatible with metal, wood, and plastic materials.
  • Save time and effort on your projects.
  • Ideal for both DIY and professional use.
  • Price Range: $15.88
  • Material: High Speed Steel

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    15

    Drill America [DMOD] 3-Piece Carbide Drill Set

  • Includes 1/8", 3/16", and 1/4" drill bits.
  • Durable carbide construction for long-lasting performance.
  • Designed for high-accuracy drilling in abrasive materials.
  • Perfect for high-temperature drilling applications.
  • Suitable for various materials like cast iron and plastics.
  • 118° conventional point for effective drilling.
  • Round shank fits most tool holding systems.
  • Price Range: $55.56
  • Material: Carbide

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