Best Drill Bits For Thick Steel 2023: Top 10

Sometimes it might be quite difficult to find the best drill bits for thick steel. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this drill bits for thick steel buying guide.

Our Favorites:

10 Top Drill Bits For Thick Steel Reviews:

Bestseller No. 1
Cobalt Drill Bits for Metal and Steel - 13 Piece Set in SAE Sizes (1/16" - 1/4") M35 Fully Grounded 5% Cobalt - Plastic Storage Case Included
  • 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. 2
YIYITOOLS Titanium Twist Drill Bit Set 21 Piece Fit for Cutting Hard Metals,Such as Stainless Steel, Aluminum Alloy and Titanium Alloy
  • 21Pc 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, 11/32,23/64, and 3/8inch.and more to help add more versatility and applications to your screwdrivers and drills making them ideal for any handymen or craftsmen.
  • Firm And Secure Hold: Our drill bit set for impact driver maintain a secure connection to help minimize drops and reduce wobbling to offer more precision and control making them just right for seasoned pros and newcomers.
  • Durable And Sturdy Build: Our drill bit set is made using stainless steel that are durable and sturdy enough to handle daily use even in the long run. They are corrosion resistant, easy to maintain, and a breeze to organize.Titanium coating can extend the life by 5 times.
  • Advantage: Precision grinding inclined blade helps ensure fast drilling, impressive cutting power, and excellent chip removal.
Bestseller No. 3
VTEVER Cobalt Drill Bit Set M35 HSS 13-Piece Jobber Drill Bit Kit for Stainless Steel,Hard Metal,Cast Iron and Wood Plastic,1/16"-1/4"…
  • 【M35 Cobalt Steel】These twist drill bit set made of high-quality M35 cobalt-containing high-speed steel, resistant to high temperature and grindingIt,which allows the drill to easily drill on hard surfaces then quickly achieve the purpose. Offer excellent performance and durabi
  • 【Smooth design】: With 135 degree self-centering tip, apply pressure evenly, Hardened and polished to form a sharp cutting edge, the precision grinding process provides a smooth surface and high grinding accuracy, helping you to drill through surfaces with ease.
  • 【Chip removal chute】:Classic humanized double spiral chip evacuation groove design. The grooves-2 grooves help remove chips and debris from the drill bit, reducing friction and heat, thus achieving a faster, cooler drilling process.
  • 【Package】: The twist diamond set comes with its own red outer box for easy storage and outer box snap hook for easy locking storage with a portable hook design. Easy to carry and fold to save bulk and easy to store. The box is marked with the inch size of each drill bit, from 1/16 inch to 1/4 inch, for easy access
  • 【Widely application】: This set of twist drill is especially suitable for drilling in stainless steel, cast iron, copper, aluminum alloy and other metal materials; for drilling in plastic, wood and so on. Convenient 13-piece set to meet your work needs, suitable for home renovation DIY and general industrial applications.
Bestseller No. 4
Sabre Tools 1/8 Inch Cobalt Drill Bits – 5pcs Drill Bits for Metal, M35 Cobalt Metal Drill Bit Set, Split Point Tip Cobalt Drill Bits – Drill Bits for Steel, Hard Metal, Cast Iron (1/8" x 2-3/4")
  • What You Get: This drill bit set for metal includes 5 – 1/8 Inch x 2-3/4 Inch bits of the same size.
  • A Must in Your Tool Box: This cobalt drill bit set is designed to surpass your expectations in terms of durability and performance, ensuring fast and easy penetration through hard metals.
  • Heavy-Duty Material: Our drill bits for hardened steel feature a heavy-duty construction made with M35 cobalt, which has excellent durability and superior resistance against abrasion and high heat.
  • Split Point Tip: These cobalt drill bits feature a splint point tip that prevents slipping and can help increase drilling speed while ensuring smooth and easy penetration through hard metals.
  • Wide Range of Applications: Our cobalt drill bits for hardened steel are suitable for hard metals, stainless steel, cast iron, steel, titanium alloy, hard plastics and more, and a wide range of applications such as repair, construction, or woodworking.
SaleBestseller No. 5
TICONN 13 PCS Titanium Coated Drill Bit Set with Hex Shank, 135 Degree Tip High Speed Steel Drill Bits Kit with Storage Case for Steel, Aluminum, Copper, Soft Alloy Steel Size from 1/16" to 1/2"
  • [PREMIUM QUALITY] TICONN drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively
  • [WIDE APPLICATION] 135° point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic
  • [SIZE LIST] 13PCS set including, 1PC 1/16", 1PC 5/64", 1PC 3/32", 1PC 7/64", 1PC 1/8", 1PC 9/64", 1PC 5/32", 1PC 11/64", 1PC 3/16", 1PC 13/64", 1PC 7/32", 1PC 15/64", and 1PC 1/4", one piece for each size
  • [QUICK CHANGE HEX SHANK] 1/4" hex shank fits into your drill or impact driver easily and securely, a quick change chuck will make the drill bit swapping like a breeze. Perfect for drilling pilot holes
  • [TICONN BRAND QUALITY COMMITMENT] We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and lifetime warranty. 100% Satisfaction Guarantee for risk-free shopping!
Bestseller No. 6
GMTOOLS 13Pcs Cobalt Drill Bits Set, M35 High Speed Steel, 135 Degree Tip, Twist Jobber Length Drill Bit Kit for Hardened Metal, Cast Iron, Stainless Steel, Plastic and Wood with Storage Case 1/16"-1/4"
  • Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped
  • 135° Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster
  • Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt, which increases wear resistance and durability. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set.
  • Set 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 and 1/4 inch bits; Comes in plastic storage case for easy storage
  • QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!
Bestseller No. 7
STROTON 4-32mm Metric 6% Cobalt Step Drill Bit for Stainless Steel and Hard Metal (15 Steps)
  • Premium M35 6% Cobalt Steel ,66-69 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
  • Grinding the Cutting Edge Three Times,with the High HRC and Heat Resistance of the Material,Desigh for Cutting through Stainless steel , Iron plate, Aluminum,Ducts,Wood,PVC and Plastic.
  • This Cobalt Step Drill Bit is Typically Capable of Running Two to Three Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
  • [4-32mm] 15 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm)
Bestseller No. 8
Drill Hog Silver & Deming Drill Bit Set 9/16" to 1"
  • Hi-Molybdenum M7 Steel
  • 9/16" to 1" with 1/2" Cut Down Shank
  • 135 Degree Split Point Prevents "Walking"
  • 3 Flat Sides on the Shank Prevents "Spinning"
  • Lifetime Warranty
SaleBestseller No. 9
toolant Four Spiral Flute Cobalt Step Drill Bit Set, 1/8"-7/8"(3pcs) Impact Ready Four-Flute Step Bit, 1/4" Hex Shank Unibit Step Bit for Metal, Stainless Steel, Aluminum, Wood, Plastic
  • 90 DAYS WARRANTY - If you are not fully satisfied for any reason, please contact us for 100% refund or replacement. If the hex shank snap off, please contact us for replacement.
  • FOUR SPIRAL FLUTE - Four cutting blades design guarantees a faster and smoother cutting, allows swarf escape easily.
  • TiAlN COATING- With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved.
  • M35 COBALT HSS STEP DRILL - Prefect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
  • 34 TOTAL STEP SIZE - Includes 3 bits with 1/8" - 1/2", 1/4" - 3/4", 3/16" - 7/8"
Bestseller No. 10
NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals, Multi Points Drill Tip with 1/4" Hex Shank for Quick Chucks & Impact Drivers, SAE Sizes 3/32"-1/8"-3/16"-1/4"-5/16"
  • 【High Quality】M35 Cobalt steel precision ground drill bits for extra durability and long lifetime
  • 【Efficient Design】Stubby drill bits measure from 1.84 to 2.32-inch only, allowing access to hard-to-reach and tight spaces. 135° split point two-blades special design drill tip (1/8-inch and larger) for perfect self-centering and fast drilling
  • 【Multi-Purpose Use】Suitable for sheet metals (e.g. stainless steel, cast iron, Aluminum plates, etc), wood boards and PVC plates
  • 【Integrated Hex Shank】One piece 1/4-inch hex shank compatible with standard and quick change chucks and drivers
  • 【Popular Sizes】Includes imperial sizes: 3/32", 1/8", 3/16", 1/4" and 5/16". Packed in storage rail lasered with sizes for easy identification

Last update on 2023-01-12 / Affiliate links / Images from Amazon Product Advertising API

How to find the best drill bits for thick steel?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best drill bits for thick steel for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good drill bits for thick steel recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the drill bits for thick steel need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for drill bits for thick steel to find what you’re looking for:

Brand

In some cases, the brand of drill bits for thick steel is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given drill bits for thick steel are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about drill bits for thick steel are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare drill bits for thick steel quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best drill bits for thick steel can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.