Best Drill Bits For Hardened Steel | Expert's Recommendations

Truly finding the drill bits for hardened steel is only effective if you can get your hands on some options, which is exactly what we did.

After researching many products, we shaved the list down to the top 10 options today by researching design, capability, durability, features, price, and overall build quality.

We researched hours on these products and compared them to one another to see which one is the best for every need. Read this drill bits for hardened steel article with an extensive buying guide if you're interested in buying or learning about these drill bits for hardened steel.

# Preview Product Score
1 BOSCH CO14B 14 Pc. Cobalt M42 Drill Bit Set

BOSCH CO14B 14 Pc. Cobalt M42 Drill Bit Set

9.2
2 Cobalt Drill Bit Set - 13 Piece M35 Cobalt Drill Bits with Storage Case - Perfect Drill Bits for Metal, Hardened & Stainless Steel, Cast Iron, and More!

Cobalt Drill Bit Set - 13 Piece M35 Cobalt Drill Bits with Storage Case - Perfect Drill Bits for...

9.7
3 DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

9.5
4 MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16'-1/2'

MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel,...

9.2
5 2/Pack Solid Carbide Drill Bit for Hardened Steel Hard Ness HRa 91.3 Aerospace Standard K20 Tungsten Carbide Jobber Length Twist Drill for Metal 118 Degree Four Facet Point Fractional Size (3/32')

2/Pack Solid Carbide Drill Bit for Hardened Steel Hard Ness HRa 91.3 Aerospace Standard K20 Tungsten...

9.4
6 COMOWARE Cobalt Drill Bit Set- 21Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16'-3/8'

COMOWARE Cobalt Drill Bit Set- 21Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal,...

9.5
7 Lichamp 1/8' HSS Cobalt Drill Bits 10PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

Lichamp 1/8" HSS Cobalt Drill Bits 10PCS with Three Flute for Hard Metal, Hardened Stainless Steel...

9.8
8 DEWALT Drill Bit Set, Titanium Nitride Coated, 14-Piece (DW1354) , Yellow

DEWALT Drill Bit Set, Titanium Nitride Coated, 14-Piece (DW1354) , Yellow

9.5
9 Lichamp 13PCS HSS Cobalt Drill Bits Set 1/16' to 1/4' with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

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

9.4
10 HIDOTOL Cobalt Drill Bit Set 29 PCS - M35 High Speed Steel Twist Jobber Length Drill Bits for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood with Indexed Round Case, 1/16'-1/2' by 1/64' increments

HIDOTOL Cobalt Drill Bit Set 29 PCS - M35 High Speed Steel Twist Jobber Length Drill Bits for...

9.5

List of best drill bits for hardened steel  Reviews

SaleBestseller No. 1

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
Bestseller No. 2

Cobalt Drill Bit Set - 13 Piece M35 Cobalt Drill Bits with Storage Case - Perfect Drill Bits for Metal, Hardened & Stainless Steel, Cast Iron, and More!

  • 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. 135° Split Point Design Makes it Easier to Drill Repeated Holes in Harder Materials.
  • PLASTIC STORAGE CASE INCLUDED - Incredibly Tough and Durable Plastic Case. Perfect for Keeping Your Cobalt Drill Bits Neatly Organized and Safe.
  • 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. We try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement.
SaleBestseller No. 3

DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

  • DEWALT drill bit set has connectable accessory storage system to optimize storage space
  • Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement
  • Clear lid of the Titanium Nitride Coated drill bit set allows you to easily see contents at glance
  • Clip latch for secure closing
  • Small Bulk Storage size fits inside the Small and Medium ToughCase plus (sold separately) - Ideal for organizing loose bits
Bestseller No. 4

MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16"-1/2"

  • 🔨[Various Sizes] 29 sets of drill bits include 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", can meet more needs.
  • 🔨[M35 Cobalt Drill Bit] The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc.
  • 🔨[Quick and Efficient] The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal.
  • 🔨[HSS Drill Bit Set] HSS cobalt drill bit set for hardened steel with excellent cutting performance. 29 sets of drill bits for long term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling.
  • 🔨[Easy Storage] The drill set includes drill holders with size indexes and is packaged in a small, strong package for easy storage and sorting. If you have any questions, please feel free to contact us and we will be happy to help you.
Bestseller No. 5

2/Pack Solid Carbide Drill Bit for Hardened Steel Hard Ness HRa 91.3 Aerospace Standard K20 Tungsten Carbide Jobber Length Twist Drill for Metal 118 Degree Four Facet Point Fractional Size (3/32")

  • ★【Premium Bright Finish 2/Pack】 multi-purpose solid carbide drill bits provide better rigidity than high speed steel bits. It is extremely heat resistant and used for high speed applications. Our tungsten carbide (WC) bits has the advantage of cutting metal either "wet" or "dry" and they provide solutions for many businesses such as aerospace drilling jobs for aircraft mechanics, precision machining, hobby supply, etc.
  • ★【Recommended For Use On】 aircraft metals chrome titanium inconel stainless steel Alloys Steel Low-Medium-High Carbon Steel Aluminum Copper Glass Plastics Composite Materials Cast Iron -- Our Carbide drills stay sharp many times longer than traditional steel bits making them ideal for the toughest of applications!
  • ★【Optimal Design for Metal Work】 118° four facet point angle minimizes drill wander and assures accurately sized holes. Our jobber length, precision ground carbide drills are designed for high feed rates with good chip disposal. smooth finish on the bits increases chip flow. Spiral flutes are constructed with a higher flute angle to remove chips more easily.
  • ★【Specs】 Tungsten Carbide Grade (ISO): K20 / Binder: %8 Cobalt / Hardness: 91.3 HRa / Uncoated / Flute Length: 1 inch, Overall Length: 2 inch, Drill Size: 3/32 inch
  • ★【IMPORTANT, PLEASE READ BEFORE BUYING】 tungsten carbide or cemented carbide is a composite material, although it looks like a metal, it is a composite of Tungsten carbide powder mixed with cobalt as a binder metal and the resulting material is more like a ceramic than a metal. It is a very hard material being a 9 on the Mohs scale where diamond is a 10, quartz a 7 and hard steel around 4.5. Due to its hardness, it will chew down into most anything But that hardness makes them brittle on side lo
SaleBestseller No. 6

COMOWARE Cobalt Drill Bit Set- 21Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16"-3/8"

  • 21 PIECES INCLUDED: 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8".
  • HSS WITH 5% COBALT: Durable, Higher Heat & Abrasion Resistance.
  • PRECISE 135°SPLIT POINT & TWIST DESIGN: Prevent walking, clear chips and particles faster.
  • PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.
  • ORGANIZED HOLDER: Set includes the drill bit holder with size index for easy storage and organizing.
Bestseller No. 7

Lichamp 1/8" HSS Cobalt Drill Bits 10PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

  • 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.
  • 1/8" COBALT DRILL BIT - Round straight shanks, include 10 pack 1/8-inch diameter hss drill bit with well organized clear ps case.
SaleBestseller No. 8

DEWALT Drill Bit Set, Titanium Nitride Coated, 14-Piece (DW1354) , Yellow

  • Connectable accessory storage system to optimize storage space of the drill bits for wood, metal and plastic
  • Patented bit-bar design of the drill bits allows easy removal of bits and customizable placement
  • Clear lid allows you to easily see contents at glance
  • DEWALT drill bit set comes with clip latch for secure closing
  • Small Bulk Storage size fits inside the Small and Medium ToughCase plus (sold separately) - Ideal for organizing loose bits
Bestseller No. 9

Lichamp 13PCS HSS Cobalt Drill Bits Set 1/16" to 1/4" with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

  • 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. Includes drill bit sizes 1/16-inch to 1/4-inch in 1/64-inch increments.
SaleBestseller No. 10

HIDOTOL Cobalt Drill Bit Set 29 PCS - M35 High Speed Steel Twist Jobber Length Drill Bits for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood with Indexed Round Case, 1/16"-1/2" by 1/64" increments

  • High Quality Material - High Speed Steel M35 (Cobalt 5%) provide extended tool life compared to ordinary drill bits when drilling hard materials,
  • Characteristics - 135° split point with round straight shank, self-centering prevent walking, make drilling precise and faster. Fully Ground twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance.
  • Widely Used - M35 Cobalt High Speed Steel is more suitable for tough, high tensile strength material. Particularly successful in cutting harden metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and it also can be used for softer materials.
  • Specifications - Set of 29pcs jobber length drill bits includes: 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2", by 1/64" Increments.
  • 100% Satisfaction Guarantee - If you are not fully satisfied with our product for any reason, please feel free to contact us, we will try our best to serve you.

Best drill bits for hardened steel Buying Guide

It's easy to be overwhelmed by the variety of products available online. You can get lost in all the options and not know what you want. That is why it's essential to ask yourself these questions and consider some tips before buying drill bits for hardened steel:

  • How much does it cost?
  • How easy is it to use this product?
  • What is the return policy for this product?
  • Is there customer service support available for this product?
  • What are the benefits of this product over other products on the market?
  • Does the best drill bits for hardened steel  have a warranty or guarantee?
  • Check the features to see if they suit your needs.
  • Consider your budget.
  • Read reviews.
  • Compare brands
  • Make a list of pros and cons.

Ultimately, if you can answer all the questions, congratulations! You have found the drill bits for hardened steel for you! But if not, keep reading because we will provide more helpful information.

Consider the price

When you are on the market, deciding whether to buy the drill bits for hardened steel can be challenging. My first point of discussion will be the price. Before making a purchase, one must determine how much they have and how much they're willing to spend. The problem is that many people don't do this before making decisions about purchasing products, leading them to become indebted later.

 

It's possible that you're debating whether or not you should purchase this product. The answer is that it depends on the things most important to you and why you require the goods. If you are concerned about the price, then the answer is no; you shouldn't purchase it because there are likely other more cost-effective options.

Read reviews

To ensure this is the drill bits for hardened steel, read some reviews to check that other people are happy with their purchase. Real people post reviews on blogs, websites, and social media pages. Reading reviews helps you avoid expensive mistakes on products.

 

When you find yourself in need of a product, knowing which one is best can be challenging. This blog post will teach you how to choose the drill bits for hardened steel based on customer reviews.

 

One way to determine which products are best for you or your family is to read reviews. A customer review is the written opinion of a customer who has purchased and used a product. This can be extremely helpful when choosing between different products, but they are not always readable. There are several ways to read and understand reviews.

Compare brands

We can't deny that reading reviews on different brands is helpful when deciding which one of the products is better, especially if you have more than one choice under your budget of over $300, under $600, or more than $1000. If two brands are equally good, it's best to choose the cheapest option for buying an appliance under $1,000 or a more expensive product over $1,000. If your budget is limited to $500 or less, choosing your favourite brand is best.

Make a list of pros and cons.

This involves listing all the positive aspects of buying one product over another. For example, if you buy an expensive product under $300 with great features, you must consider that its warranty isn't as good as a slightly more expensive product with terms. Better warranty. For example, some devices or electronics are covered by a 90-day warranty, while others have a 12-month warranty. It all depends on your needs and preferences.

Most of the best products are pretty expensive. Making a pros and cons list makes it easy for you to see the strengths and weaknesses of the product, so you can compare and help you make the right choice and avoid wasting time and buying the wrong product quantity.

Does the best product have a warranty or guarantee?

Does the product you are considering have a warranty or guarantee? It's essential to know before making your purchase. There are many guarantees, so you must know what kind of guarantee the store will give you when you purchase.

 

For example, some stores offer a 30-day money-back guarantee with no questions if they are unhappy with their purchase. Other stores may offer an exchange-only policy to replace defective items but not refund customers' money after exchanging them for new ones.

 

Still, other stores may extend limited warranties on products that exceed specific criteria, such as being purchased during a certain time frame or location, regardless of the store warranty or guarantee they offer.

What is the return policy for this product?

As a consumer, knowing your rights when you purchase an item is essential. For example, this product's return policy may differ depending on where you bought it from and how long ago that was. It's always best to research before deciding whether or not something will work out in your favour as far as returns go. Knowing the return policy for any product you are considering purchasing is essential. The return policy for products sometimes is a bit complicated.

Is there customer service support available for these products?

How do you feel when a company lacks customer service for its products? It can be frustrating and lead to feeling left in the dark. The good news is that there are many ways to contact customer support for your product, even if they're not listed on their website or social media.

There are several resources online to find contact information for any company, including customer service numbers and links to their email forms. Contacting them by mail or social media like Facebook Messenger is also available.

What are the benefits of this product over other products on the market?

You're looking for the drill bits for hardened steel but don't know which one to buy. There are many options available on the market today- how do you decide? You want to make sure you purchase a quality product to deliver your desired results.

Manufacturers will walk through all of the benefits of their product over other products on the market so you can see why it is worth your time and effort to invest in them. This gives you an idea about what they offer and provides insight into what makes their company different from others who sell similar products. Their goal is not just for customers to return repeatedly but also to refer their friends to buy the best outcome.

 

Leave a Comment