Cobalt Drill Bits Reviews With Scores

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You can trust our selection for Cobalt Drill Bits Reviews. Because We have worked hard studying and analyzing 52880 reviews for Cobalt Drill Bits and rating them. It was a difficult job to list only ten products for Cobalt Drill Bits where thousands of them available online. I hope it will help you to take final decision for Best Cobalt Drill Bits.

Best Cobalt Drill Bits
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NoProductScoreAction
1Drill America - DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16" - 1/2" X 64ths)9.8Buy On Amazon
2BOSCH CO14B 14 Pc. Cobalt M42 Drill Bit Set9.4Buy On Amazon
31/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal9.4Buy On Amazon
4IRWIN Drill Bit Set9.4Buy On Amazon
5Cobalt Drill Bit Set - 13 Piece M35 Cobalt Drill Bits with Storage Case - Perfect Drill Bits for Metal9Buy On Amazon
6BOSCH CO2135 1/8 In. x 2-3/4 In. Cobalt Drill Bit8.8Buy On Amazon
7DEWALT Cobalt Drill Bit Set with Pilot Point8.6Buy On Amazon
8COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal8.2Buy On Amazon
9BOSCH CO2143 1/4 In. x 4 In. Cobalt Drill Bit8.2Buy On Amazon
10Lichamp 13PCS HSS Cobalt Drill Bits Set 1/16" to 1/4" with Three Flute for Hard Metal8.2Buy On Amazon

Comparison Chart for Best Cobalt Drill Bits

In this article we've included our suggestions for the Cobalt Drill Bits after analyzing 52880 reviews.

Comparison Chart of Top 10 Cobalt Drill Bits

Table Of Content:

1. Drill America – DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16″ – 1/2″ X 64ths)

  • Set of 29 jobber length drill bits includes inch sizes 1/16″ to 1/2″ in 1/64″ increments
  • Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials.
  • Gold oxide finish lubricates the drill bit and provides wear resistance
  • Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging.
  • Meets ANSI specifications

2. BOSCH CO14B 14 Pc. Cobalt M42 Drill Bit Set

  • Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum.
  • Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
  • High-heat resistant bits – withstand high-temperature applications for extended periods of time
  • Thick web-helix design – provides additional stability in tough applications
  • Surface-hardened tip – penetrates tough abrasive materials

3. 1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal

  • JOBBER LENGTH: 1/4-inch cutting diameter, 2-3/4-inch flute length, 4-inch overall length, 135 degree split point, 3-flat shank.
  • MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel’s high red hardness, provide strong durable performance compared to typical hss drill bits.
  • CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit’s hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits.
  • APPLICATION: best used for drilling in hard metal, including stainless steel
  • INCLUDE: 12 pieces of 1/4-inch cobalt drill bits with case

4. IRWIN Drill Bit Set

  • 29 Piece
  • Cobalt Drill Bit Set
  • Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split Point To Minimize Walk
  • 5% Cobalt For Higher Heat & Abrasion Resistance
  • Heavy Duty Web Construction For Strength & Durability

5. Cobalt Drill Bit Set – 13 Piece M35 Cobalt Drill Bits with Storage Case – Perfect Drill Bits for Metal

  • SET OF 13 COBALT DRILL BITS – In the following imperial sizes 1/4″, 15/64″, 7/32″, 13/64″, 3/16″, 11/64″, 5/32″, 9/64″, 1/8″, 7/64″, 3/32″, 5/64″, 1/16″.
  • M35, Fully Ground, 135° Split Point – Our Drill Bits Contain 5% Cobalt, Are Fully Grounded for a Precision Drilling Diameter.
  • PLASTIC STORAGE CASE INCLUDED – Incredibly Tough and Durable Plastic Case.
  • COBALT DRILL BITS ARE THE PERFECT DRILL BITS FOR METAL – As well as other hard materials such as Stainless Steel, Hardened Steel, Cast Iron, Bronze, Titanium, and More!.
  • LIFETIME GUARANTEE – Here at Owl Tools (USA Based Company) we only care about your satisfaction.

6. BOSCH CO2135 1/8 In. x 2-3/4 In. Cobalt Drill Bit

  • Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
  • Available in jobber length, full shank
  • Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium.

7. DEWALT Cobalt Drill Bit Set with Pilot Point

  • Connectable accessory storage system to optimize storage space of drill bits for wood, metal or i-beams.
  • Patented bit-bar design allows easy removal of drill bits and customizable placement
  • DEWALT drill bit set comes with clear lid allowing you to easily see contents at glance
  • Clip latch for secure closing
  • Small Bulk Storage size fits inside the Small and Medium ToughCase+ (sold separately) – Ideal for organizing loose bits.
  • Maximum speed and life in stainless steel and other hard metals
  • PILOT POINT tip starts on contact for clean, accurate holes and reduces lock-up on breakthrough
  • Industrial strength cobalt for optimum life and durability in metal
  • No bit walking – more user control

8. COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal

  • HIGH QUALITY MATERIAL: 5% Cobalt High Speed Steel M35 provide extended tool life compared to ordinary drill bits.
  • TWIST DESIGN & PERFORMANCE: PRECISE 135°SPLIT POINT, gold oxide finish and round straight shanks.
  • PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material.
  • SIZE INCLUDED: 15pcs jobber length drill bit set with plastic storage case including sizes:1/16″ 2pc,5/64″ 1pc ,3/32″ 2pc,7/64″ 1pc,1/8″ 2pc ,9/64″ 1pc, 5/32″ 1pc, 3/16″ 1pc, 7/32″ 1pc, 1/4″ 1pc, 5/16″ 1pc, 3/8″ 1pc.
  • 100% SATISFACTION GUARANTEE: If you are not 100% satisfied with your purchase for any reason whatsoever simply please feel free to contact us.

9. BOSCH CO2143 1/4 In. x 4 In. Cobalt Drill Bit

  • Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials, Cuts through light gauge metal, high carbon steel, aluminum and alloy steel, cast iron and stainless steel.
  • Available in jobber length, full shank, Drill Point Angle is 135 degrees, Surface Coating is uncoated (bright finish), Bit type is Twist.
  • Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium.

10. Lichamp 13PCS HSS Cobalt Drill Bits Set 1/16″ to 1/4″ with Three Flute for Hard Metal

  • UNIQUE 3X FLUTE DESIGN – Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.
  • 4X LIFESPAN MATERIAL – Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.
  • MULTIPLE APPLICATION – Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.
  • SMOOTHLY DRILLING – 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.
  • 13PCS DRILL BIT SET – Metal index case with size chart for easy bit access and identification.

Cobalt Drill Bits Buying Guide


Does the thought of finding a great Cobalt Drill Bits stress you out? Has your mind been juggling between choices when it comes to buying Cobalt Drill Bits in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Cobalt Drill Bits for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Cobalt Drill Bits Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best Cobalt Drill Bits in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Cobalt Drill Bits currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top Cobalt Drill Bits brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Cobalt Drill Bits based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Cobalt Drill Bits before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Cobalt Drill Bits they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Cobalt Drill Bits, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Cobalt Drill Bits before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Cobalt Drill Bits will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Cobalt Drill Bits if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Cobalt Drill Bits on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Cobalt Drill Bits on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Cobalt Drill Bits featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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