Top 8 Best Cobalt Drill Bits 2020

best cobalt drill bits

You will need a drill bit set to drill holes in different types of metal, wood, and concrete. Are you looking for a set of drill bits to drill holes on a solid installation or object? If your answer is yes, don’t despair. You read the whole article because, through this article, we will help you find the best cobalt drill bits. Typically, cobalt drill bit sets are capable of working effectively on hard materials such as stainless steel and titanium.

There are also separate drill bit sets for different types of drilling work. Remember, most cobalt drill bits are made from a combination of high-quality steel. Not all types of metals are the same, they have different grades and have different sizes, tips, features. So you need to have an idea of ​​which cobalt drill set is suitable for which type of metal.

Best Cobalt Drill Bits Comparison

ImageProduct NameEditor's RatingCurrent Price
DEWALT Titanium Drill Bit SetDEWALT Titanium Drill Bit Set, Pilot Point, 21-Piece (DW1361)5.0CheckHere
Extremely Heat Resistant Twist Drill BitsHymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits5.0CheckHere
Deming Drill Bit Set in Aluminum Carry CaseShank Silver and Deming Drill Bit Set in Aluminum Carry Case5.0CheckHere
DEWALT Titanium Drill Bit SetDEWALT Titanium Drill Bit Set, 21-Piece (DW1342)4.9CheckHere
Cobalt Drill Bit Set in Round CaseDrill America 29 Piece M35 Cobalt Drill Bit Set in Round Case4.9CheckHere
IRWIN Drill Bit SetIRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002)4.9CheckHere
Bosch CO21B 21 Pc. Cobalt M42Bosch CO21B 21 Pc. Cobalt M42 Drill Bit Set4.8CheckHere
Drill Hog 29 Pc CobaltDrill Hog 29 Pc Cobalt Drill Bit Set M42 Drills Drill Hog4.8CheckHere

Top 8 Best Cobalt Drill Bits Review

1. DEWALT Titanium Drill Bit Set, Pilot Point, 21-Piece (DW1361)

DEWALT Titanium Drill Bit Set

These DEWALT titanium drill bits have a titanium coating. so its ferrous metals will give you longevity through drilling. The bits are especially suitable for wood and plastic drilling. It is also ideal for commercial and residential applications. There are titanium pilot points for long-term use. It has no spin shanks so be able to use it safely. It has a secure clip latch for closing. Usually, a plastic hard case will be able to include sizes from 1/6 inch to 1/2 inch.

PROS
  • No spin shanks.
  • Clip latch for secure closing.
  • 1/16 inch to 1/2 inch in a plastic tough case.
  • Titanium pilot point.
  • Durable.

CONS
  • These bits break down quickly.

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2. Hymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits

Extremely Heat Resistant Twist Drill Bits

It is made from M35 cobalt steel. Not only that, it forms a solid mixture with molybdenum and cobalt. The hardness of Rockwell will measure up to 67 and this bit set is extremely heat resistant. Particularly useful for fast cutting and has extra span for long life. Also up to twelve times when compared with an average HSS drill bit.

In general, fast-cut points up to 135 will be able to self-centralize while working and it will penetrate faster with less pressure. Will not “wander” derailed. It has standard drill chalk for proper centering and is especially suitable for regular round collet chalk. Use and manage appropriate RPMs for maximum efficiency.

13 pcs metric bits – This set includes 13pcs of MP35 cobalt steel twist drill bits. E.g., 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm. The storage case has a plastic indexed arrangement so that you can easily transport it to the worksheet. Be able to cut easily with stainless steel and hard metals such as iron. Although it is better to use them for soft materials. It is not suitable for hardened steel / high carbon steel. If you fail to enter, try adjusting the RPM. Hopefully, you will benefit from using this set.

PROS
  • M35 made from cobalt steel.
  • Highly heat resistant.
  • Standard drill chalk.
  • Measures hardness up to 67.
  • Easily transportable.

CONS
  • If you do not apply the oil during cutting, it will become hot.

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3. Shank Silver and Deming Drill Bit Set in Aluminum Carry Case

Deming Drill Bit Set in Aluminum Carry Case

EFFICERE will be able to drill into wood, plastic, aluminum, copper, stainless steel, sheet metal using 8-piece silver and dimming drill bit sets. Also, it is a necessary tool for drilling holes larger than 1/2 “diameter in many other types of materials. In particular, the manufacturers have made these drill bits extremely modern for the convenience of the users. Not only that, it is made from premium cobalt high-speed steel for reliable strength.

It features a 135-degree split point. Start cutting with self-centering for faster speeds and prevent walking while drilling. Apply a superior gold titanium and black nitride dual coating finish to drill each time. As a result, lubricants are better retained for smooth drilling and are 80% more durable than regular black enamel finishes. Remember, this kit set is corrosion resistant. All brands of power equipment must be securely locked by a 3-jaw. The set is easy to carry and the aluminum storage case includes 8 “piece length silver and dimming drill bits.

PROS
  • Made from high-speed steel.
  • 8 “piece length silver.
  • Drilling holes larger than 1/2 “in diameter.
  • The set can be easily carried.
  • Works perfectly.

CONS
  • May break suddenly.

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4. DEWALT Titanium Drill Bit Set, 21-Piece (DW1342)

DEWALT Titanium Drill Bit Set

The titanium drill bits in this dowel have a titanium coating. Iron ore provides longevity through drilling. These bits are especially suitable for wood and plastic drilling. Also, use for commercial and residential applications. The speed tip button in its spin drill will keep it somewhat secure. Not only that, there are 21 bits ranging in size from 1/16 to 1/2-inch in a plastic hard case. This is a good quality product to drill.

PROS
  • Ideal for using metal, wood, and plastic.
  • Its speed tip reduces walking.
  • There are no spin shanks.
  • Keeps the bits organized.
  • Long-lasting.

CONS
  • Able to do light type work.

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

The America DWD29J-CO-PC Qualtech Jobar Length Drill Bit Set for Drilling features a 29-inch gold oxide finished steel drill bit. Its self-centering 135-degree split point enters solid matter without a pilot hole. Not only that, it produces smaller chips that reduce clogging by 118-degree points. Typically cobalt steel provides extended tool life compared to high-speed steel drill bits. Also acts as a gold oxide finish lubricant.

The bit set provides wear resistance and adjusts to most round shank drill chalk. It comes in the form of a plastic indicator that identifies. The drill bit set makes holes in a variety of materials using machines such as handheld portable drills, machining centers, and ladders. There are come in a variety of lengths and types, the most common of which is the twist drill bit. The round, curved shaft usually has two cutting edges and a flute to see the twist drill bits.

PROS
  • Made by high-speed steel.
  • 1/16 “to 1/2” (1/64 “increments.
  • Short length twist drill bits.
  • Materials and applications are wide.
  • Rigid twist drill bit.

CONS
  • Difficult to use.

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6. IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002)

IRWIN Drill Bit Set

This hardened steel will be able to drill heavy duty abrasive alloys. It is also ideal for drilling into any type of hard metal. The bit set is made from industrial grade high-speed steel for durability. Not only that, its 8% cobalt alloy is heat and abrasion-resistant. The 135-degree split-point tip starts drilling with less force. It will also remove “walking” across the work surface. There will also be metal indicator cases for easy bit access and detection. There are also drill bit sizes from 1/16- to 1/2-inch in 1/64-inch increments. Bit IRwin Tools Cobalt high-speed steel drill bit, it is a 29-piece metal indicator set.

PROS
  • Made from high-speed steel.
  • Abrasion-resistant.
  • 135-degree split-points.
  • Drill bits in 1/64-inch increments.
  • 29-piece metallic indicator set.

CONS
  • It’s a hassle to use.

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7. Bosch CO21B 21 Pc. Cobalt M42 Drill Bit Set

Bosch CO21B 21 Pc. Cobalt M42

These Bosch cobalt M42 metal drill bits are made with an 8% cobalt upgraded M42 alloy. Usually, it provides a hard-core cobalt bit 10x life vs. standard bit. It is also capable of withstanding job lengths and high-heat applications. Not only that, the thick web-helix design removes material quickly and is able to provide increased durability. Usually, bits are 1/8 in and large features have a split point, bits 3/16 in. There is a larger three-flat shank for larger bit grips. In this case, these cobalt drill bits provide superior performance in the case of stainless steel.

PROS
  • 8% cobalt-containing.
  • Provides superior performance.
  • Upgrade M42 Allo.
  • Drills hard or abrasive metal.
  • Provides durability.

CONS
  • There are no dice with it.

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8. Drill Hog 29 Pc Cobalt Drill Bit Set M42 Drills Drill Hog

Drill Hog 29 Pc Cobalt

These Hog Drill Bits are extremely proud to release new technology. The strong bits are made from cobalt M42 steel. So, it has a melting point of 2,853 degrees Fahrenheit. Using this bit you will be able to work on the hardest steel like truck frame, stainless steel, farm equipment, spring steels. In this case, Grade 8 will drill with bolts and more. It is proudly made in the United States.

PROS
  • Made from cobalt M42 steel.
  • 2,853 degrees Fahrenheit.
  • Grade 8 will drill with bolts.
  • Works perfectly.
  • Made in the United States.

CONS
  • Unable to retain sharpness.

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Final Thoughts

So that you can choose the best cobalt drill bits, we have already described a few products above. Hopefully, reviews of our products will be helpful for you. Cobalt tools are very popular because they are much more durable. Not only that, using such drill bit sets will enable you to do heavy work and use it for a long time.

Read More: Best Brake Bleeder Kit

McZuberi
 

Hey everyone! I’m  McZuberi and I’ve been working as an auto mechanic for over a decade. So, I am write about auto parts for different brands. Highlight the good and bad aspects of different brands in my articles. Also, I write about how to install auto parts and how to use them. I always try to benefit the reader. Read my article and stay tuned. Thank you.

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