Best Drill Bits For Hard Steel in 2022 (Top 10 Picks)

Sometimes it might be quite difficult to find the best drill bits for hard 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 hard steel buying guide.

Our Top 10 Picks:

10 Best Drill Bits For Hard 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
Norseman 22903 1/16 in. - 1/2 in. Super Premium Black and Gold Oxide Hi-Molybdenum Steel Drill Bit Set, 29-Piece, grey
  • Sizes: 1/16 in., 5/64 in., 3/32 in., 7/64 in., 1/8 in., 9/64 in., 5/32 in., 11/64 in., 3/16 in., 13/64 in., 7/32 in., 15/64 in., 1/4 in., 17/64 in., 9/32 in., 19/64 in., 5/16 in., 21/64 in., 11/32 in., 23/64 in., 3/8 in., 25/64 in., 13/32 in., 27/64 in., 7/16 in., 29/64 in., 15/32 in., 31/64 in., 1/2 in.
  • Enlarge existing holes
  • Drill through sheet metal, hard steel, acrylics and brass
  • Self-centering; 3-flats on shank
  • Twice the life of a standard drill bit
SaleBestseller No. 3
Cobalt Drill Bit Set - 13 Piece M35 Cobalt Drill Bits with Storage Case - Perfect Drill Bits for Hardened Metal & 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.
Bestseller No. 4
STROTON 6% Cobalt Drill Bit Set (1/16"-1/2",17PCS) for Stainless Steel and Hard Metal,with Double 1/4 Drill Bits.
  • Premium 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 Alloy 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.
  • 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.
  • 17Pcs 135 Degree Cobalt Hss Drill Bits Set Includes :1/16 (2pcs), 5/64, 3/32 (2pcs), 7/64, 1/8 (2pcs), 9/64, 5/32, 3/16, 7/32, 1/4 (2pcs), 5/16, 3/8, 1/2 .
SaleBestseller No. 5
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. 6
DIOBATO M42 Cobalt Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron, Wood - 14 Piece,Multiple Point
  • Size - 1/16“ 5/64" 3/32" 7/64" (2)1/8" 9/64" 5/32" 3/16" 7/32" 1/4" 5/16" 3/8" 1/2"
  • M42 Cobalt drill bit set for metal.Using unique process technology, each bit contains about 8% cobalt, which can easily handle common stainless steel materials and various medium hard metals
  • Multi-blade tip-design,increase the pressure on the material when drilling, and it cuts faster and more smoothly than the general 135° drill.;thick web-helix design,fast cuts with smooth chip evacuation
  • Applicable Materials - For Stainless Steel, Cast Iron, Titanium, Light Metals and Aluminum etc
  • Applicable device - CNC machine, precision drilling machine, bench drill, medium and high power electric hand drill
Bestseller No. 7
NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel Hard Metals Cast Iron, Multi Points Drill Tip with 1/4" Hex Shank for Quick Chucks and Drives, Imperial Sizes 3/32"-1/8"-3/16"-1/4"-5/16"
  • 【High Quality Steel】M35 Cobalt steel precision ground drill bits for extra durability and long lifetime
  • 【Efficient Design】135 Degree split polint two-blades special design drill tip (1/8-inch and larger) for perfect self-centring and fast drilling. Stubby drill bits measures from 1.84 to 2.32-inch only, allow to access to hard-to-reach and tight spaces
  • 【Multi-Purpose Use】Suitable for stainless steel, cast iron, Titanium, bronze, Aluminium and other hardened metals
  • 【Integrated Hex Shank】One piece 1/4-inch hex shank compatible with standard and quick change chucks and drivers
  • 【Popular Sizes】Includes common imperial sizes in 3/32", 1/8", 3/16", 1/4" and 5/16". Packed in storage rail lasered with sizes for easy identification
SaleBestseller No. 8
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.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.
  • 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:3.4cm) 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm(length:8.5cm) 5.5mm 6mm(length:9cm) 6.5mm 7mm 7.5mm 8mm(length:11.5cm) 8.5mm 9mm 9.5mm 10mm(length:13cm) [DIA 0.5mm Increments] .
Bestseller No. 9
Drill Hulk 13-Piece M35 Cobalt Drill Bit Set for Hard Metal, Stainless Steel, 1/16-Inch to 1/4-Inch, Jobber Length, 3-Flat Shank
  • 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
Bestseller No. 10
amoolo Cobalt Drill Bit Set (1/16"-1/4",13 Pcs), M35 HSS Metal Drill Bits for Steel, Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood
  • 【M35 Cobalt High Speed Steel】Industry grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. These drill bits contain 5% Cobalt, which increases wear-resistance and durability.
  • 【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") . They fit the majority of power drill currently on the market and comes with a portable plastic case for easy storage and organization.
  • 【Precise & Efficient Drilling Performance】✔ Fully Ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. ✔ 135° Split Point with round straight shank prevents walking and makes drilling precise and faster. No center punch is needed.
  • 【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. ✔ Pay attention to speed, pressure and heat control during drilling.
  • 【90 Days Warranty】At Amoolo, we center on customer satisfaction. Get your drill bits today along with our 90-day Hassle-Free Warranty Policy, exchange or refund guaranteed for any product defect!

Last update on 2022-10-01 / Affiliate links / Images from Amazon Product Advertising API

How to find the best drill bits for hard 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 hard 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 hard 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 hard 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 hard steel to find what you’re looking for:

Brand

In some cases, the brand of drill bits for hard 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 hard 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 hard 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 hard 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 hard 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.