Top 10 Best Cobalt Drill Bits For Metal [2022]

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Best Cobalt Drill Bits For Metal
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Comparison Chart for Top 10 Best Cobalt Drill Bits For Metal

50195 reviews were considered when writing our recommendations for the Cobalt Drill Bits For Metal in this article.

NoProductScoreAction
1amoolo Cobalt Drill Bit Set (1/16"-1/4",13 Pcs)9.8Buy on Amazon
2BeHappy Drill Bit Set 29pcs9.8Buy on Amazon
3BOSCH CO2143 1/4 In. x 4 In. Cobalt Drill Bit9.6Buy on Amazon
4BOSCH CO14B 14 Pc. Cobalt M42 Drill Bit Set9.4Buy on Amazon
5COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal9.2Buy on Amazon
6Drill Hulk 13-Piece M35 Cobalt Drill Bit Set for Hard Metal9.2Buy on Amazon
7Cobalt Drill Bit Set - 13 Piece M35 Cobalt Drill Bits with Storage Case - Perfect Drill Bits for Metal9Buy on Amazon
83/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal8.8Buy on Amazon
915 Pieces Cobalt Drill Bit Set M35 High Speed Steel Twist Drill Bit Set for Hardened Metal Stainless Steel Cast Iron Woodwork Plastic (1/8 Inch)8.6Buy on Amazon
10Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)8.4Buy on Amazon

Table Of Content:

1. amoolo Cobalt Drill Bit Set (1/16″-1/4″,13 Pcs)

  • Premium Quality】Made of industry grade 6542 high speed steel, Cobalt twist drill bits are harder than 4241/4341 HSS used in other similar bits, ideal for heavy duty hole drilling.
  • Most Commonly-Used 13 Sizes】A complete combo set of 13 jobber length industrial drill bits for metal drilling (1/16″,5/64″,3/32″,7/64″,1/8″,9/64″,5/32″,11/64″,3/16″,13/64″,7/32″,15/64″,1/4″) .
  • Precise & Efficient Drilling Performance】✔ Fully Ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance.
  • Multiple Application】Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals.
  • 90 Days Warranty】At Amoolo, we center on customer satisfaction.

2. BeHappy Drill Bit Set 29pcs

  • VARIOUS SIZES】: 29 sets of drill bits include 1/16 inch, 5/64 inch, 3/32 inch, 7/64 inch, 1/8 inch, 9/64 inch, 5/32 inch, 11/64 inch, 3/16 inch, 13/16 inch, 13/16 inch, 13/16 inch 1 inch.
  • HSS DRILL BIT SET】: HSS cobalt drill set is suitable for hardened steel and has excellent cutting performance.
  • FEATURES of M35 COBALT】: M35 cobalt drill bit set can effectively drill tough and high tensile strength materials.
  • 135 DEGREES POINTS】: Cobalt drill bit set can be effectively used for most hard and soft objects, 135 degrees point nib and twist design, improve cutting speed, self-centering, prevent walking, speed up the removal of debris and particles.
  • STORAGE RACK】: The cobalt drill bit set includes a drill rack with a size index, which is convenient for storage and organization.

3. 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.

4. 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

5. 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.

6. Drill Hulk 13-Piece M35 Cobalt Drill Bit Set for Hard Metal

  • JOBBER LENGTH: jobber length cobalt drill bit, 135 degree split point reduces drill walking, 3-flat shank provides a secrue grip in chucks.
  • 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: 13 pieces cobalt drill bits in inch sizes 1/16″ to 1/4″ (1/64″ increments) with plastic case.

7. 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.

8. 3/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal

  • JOBBER LENGTH: 3/16-inch cutting diameter, 2-5/16-inch flute length, 3-1/2-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 3/16-inch cobalt drill bits with case

9. 15 Pieces Cobalt Drill Bit Set M35 High Speed Steel Twist Drill Bit Set for Hardened Metal Stainless Steel Cast Iron Woodwork Plastic (1/8 Inch)

  • Quality material: the cobalt drill bit set uses cobalt M35 high speed steel as material, this material is durable, strong and practical, with a long service life, heat and abrasion resistance; The cutting edge of drill bit is hardened and honed, with accurate cutting without shaking.
  • Creative twist design: metal cobalt drills for hardened steel has 135° split point tip and torsional design to improve cutting speed with self-centering ability; They can avoid walking during work process, while clearing chips and particles more quickly and easily.
  • Nice features: the 1/8 inch twist drill bits have precise diameter; M35 cobalt drill bits for hardened metal are not easy to break or wear out, so suitable for lithium electric drill, hand electric drill, impact electric drill, etc.
  • Various fitness: M35 high speed steel cobalt drill set is greatly suitable for hardened material and hard metals, such as cast iron, high temperature alloy, hard plastics, stainless steel, titanium alloy, woods, etc.
  • What you will get: the package contains 15 pieces 1/8 inch cobalt drill bits, sufficient quantity to meet your various needs; Please pay attention to speed, pressure and heat control during drilling.

10. Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

  • Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
  • 3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.
  • This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.
  • The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.
  • 19Pcs 135 Degree Split Point Drill Bits Includes :1mm(length:3.

Cobalt Drill Bits For Metal Buying Guide


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  • First, our algorithms collected as much information available about these products from trusted sources.
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  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Cobalt Drill Bits For Metal 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 For Metal 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 For Metal 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 For Metal 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 For Metal they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Cobalt Drill Bits For Metal, 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 For Metal before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Cobalt Drill Bits For Metal 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 For Metal 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 For Metal 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 For Metal 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 For Metal 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.