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Best Drill Bits for Stainless Steel – Reviews

If you have done it before, you’ll agree with us that drilling through steel can be a very tough job. If you use any bit, you will not only break it but you might also end up damaging the surface. Fortunately, you can prevent that from happening if you get the right tool for the job. Some drill bits are ideal for the job, and they can help you cut your steel.

In this article, we review the best drill bits for stainless steel. Each review gives you the vital information you need to make the best choice. It explores the features, why each product is a great option, and also outlines the advantages as well as disadvantages of each drill bit option. Without further ado, here we go.

If you are in a hurry, my picks for the best drill bits for stainless steel is the 21 Pc Cobalt M42. For lower budget, a versatile and cheap drill bit set is better and that is why Neiko 10193A is our choice for the best budget drill bits for stainless steel.

Still here? Let’s dig in to find out the rest as we also include the best value drill bit and the most durable drill for stainless steel in this list.

Our Top Picks of Best Drill Bits for Stainless Steel

#1: 21 Pc Cobalt M42 Drill Bit Set – Best Overall

Opening our list of top drill bits for stainless steel is the 21 Pc Cobalt M42 Drill Bit Set. It comes here as a new product that brings the newest technology in drill bits for stainless steel. It is a product of Drill Hog USA made to meet the demands of modern-day drillers. Precisely, it brings new features that were not there in the previous models that have been in the market for years.

The cobalt steel that is used to make the 21 Pc Cobalt M42 Drill Bit Set has a melting point of 2723 Fahrenheit. It can thus withstand long use without any risk of overheating. For this reason, it can be used for small duties at home or even the tough commercial ones. Whichever task you want to use it for, you can always be sure that your bit will last since its material (Cobalt M42) is strong and resistant to corrosion.

Whether you are a novice or an experienced user, the 21 Pc Cobalt M42 Drill Bit Set can help you make your work easier. More specifically, it drills quickly and doesn’t walk since its 135-degree splint point keeps it from walking. Besides, its tri flat shank prevents spin in the chunk when in use.

Finally, this drill bit weighs 1 pound and its dimensions are 7 x 4.1 x 1.1 inches. With all these features, this drill bit might just be what you need for your job.


  • Lifetime warranty if you buy the product and register it on the manufacturer’s site
  • Its tri flat shank prevents spin in the chuck hence offers smooth drilling operation


  • You may have to spend more than you would with the old brands but the features of this product are worth the extra amount.

#2: Migiwata Metric M35 Cobalt Steel – Best Value

Cutting through hard metals can at times be a tough job even when you have high-speed steel drill bits. If your work involves drilling, you know how this can be challenging. Fortunately, the Migiwata Metric M35 Cobalt Steel can help you make the work easier.

It is extremely resistant to heat and is also many times stronger than drill bits made of high-speed steel. More specifically, its unique construction that comprises of M35 Cobalt steel with molybdenum added to make it a strong alloy gives it a longer lifespan compared to similar brands in the market.

If your metalworking involves cutting through stainless steel and cast iron, then the Migiwata Metric M35 Cobalt Steel might be what you have been looking for to help make things simple for you. With this drill bit, you do not need a center bunch as it centers itself perfectly and penetrates with a lot of ease.

It a nutshell, the Migiwata Metric M35 Cobalt Steel is a great option that you can consider if you want maximum efficiency while drilling. It comes as a set of thirteen pieces ranging from as small as 1.5mm to 6.5mm. Aside from that, the interesting thing is the fact that you can use it to drill soft as well as hard materials.


  • The 5% alloy added to the material makes it a super strong drill bit for stainless steel.
  • Cobalt increases its strength hence it can easily penetrate through thick surfaces.


  • You might need a cooling system to prevent overheating as well as give it a longer lifespan.
  • Although they are hard, they are also more brittle than the ordinary high-speed steel drill bits.

#3: Neiko 10193A Titanium Step Drill Bit Set – Best Budget

If you want a drill bit for stainless steel from a known brand in the market, then Neiko 10193A Titanium Step Drill Bit Set might be what you to need. Although it’s been in the market for a while, it remains among the top-rated brands.

With Neiko 10193A Titanium Step Drill Bit Set, you can drill through many materials including stainless steel, copper, plastic, and aluminum among others. We can thus say that this is a versatile drill bit that can help you do a lot of drilling jobs. It is also a durable one since it is made of high-speed steel with titanium coating.

Regarding performance and ease of use, Neiko 10193A Titanium Step Drill Bit Set is without any doubt a great option. Its 135-degree split point increases cutting speed. Moreover, it is self-centering, meaning that you won’t have problems with the drill bit walking as you use it. Besides, its tri-flatted shank enables it to fit into power tools chuck securely and also eliminates slip.

In a nutshell, Neiko 10193A Titanium Step Drill Bit Set is a trusted brand that has been in the market for years owing to its great features. With this set, you practically replace 28 individual drill bits. What else do you need? This is probably what you’ve been searching for in the market.


  • Increased cutting speed due to 135-degree split point which allows you to cut easily and faster
  • Its universal design (tri-flattened shank) gives you the peace of mind you need while working knowing that your tool is securely in place.
  • Strong and unique high-speed steel construction which makes the tool highly durable


  • Some users complain of an inability to get through multiple sheets or materials at once

#4: Chicago Latrobe 150 Series High-Speed Steel Drill Bit Set – Most Durable

Closing our list of top four drill bits for stainless steel is Chicago Latrobe 150 Series High-Speed Steel Drill Bit Set. It is one of the newest brands in the market with great features that make it a drill bit of choice. For instance, its 118-degree conventional point makes it usable with a wide range of materials as well as different operating conditions.

With Chicago Latrobe 150 Series High-Speed Steel Drill Bit Set, you can easily make modest holes with minimal effort. It comes as a set of 25 high-speed steel bits all constructed nicely and with a black-oxide finish for durability. However, they are not only long-lasting but they also resist heat as well as wear associated with frequent drilling.

Whether you are a newbie in drilling or a veteran, having this drill bit set can make work easier for you. It is the best option for anyone in need of a reliable bit that can multiple tasks without any risk of breaking or wearing out faster. Finally, it not only drills stainless steel material but also a couple of other materials.


  • Its round shank can accommodate most drill chucks.
  • Its black oxide surface finish makes it wear-resistant.
  • The helical twist of its flutes not only brings chips up but also allows the coolant to reach cutting edges easily.


  • It sells a bit higher and it is the most expensive among our four reviews. Its quality is, however, outstanding and does a good job.

Our Drill Bit for Stainless Steel Buying Guide

Even with a list of a few drill bits, you still need to get over another hassle. You have to pick one from a couple of options which are all branded as the best. But are they truly the best? Well, you need to know how to separate the best from the rest. Here are the features to look for when buying one:

Multipurpose Use

You may just want to drill through stainless steel but taking a drill bit that can drill a couple of other materials is good. Therefore, always go for drill bits that you can use for multiple purposes. It helps a lot and saves you much in the long run.

Flute Design of the Bit

A good flute design helps in removing chip while drilling. However, there are different designs that you will find in different drill bits. If you want to make your work easier, go for those with open or parabolic designs.


No one wants anything that works today and a few days later, it is worn out. For drill bits, there are those that last and there are those that easily break. If you want value for your money, get a drill bit that has solid construction. Those made of high-speed steel or cobalt and coated for resistance to wear the best.


Some brands always strive to give customers the best. They manufacture the best products and are always ready to listen to what customers need. It is, therefore, very vital to consider the brand when making your purchase decision.

Other factors such as price, warranty and customer reviews can also help you narrow down the options you have to just a few. The next time you hit the road looking for a drill bit for stainless steel, keep these things in mind and you will without any doubt get the best.

Frequently Asked Questions

Which Drill Bit is Ideal for Stainless Steel?

Any drill bit that’s strong enough to go through steel and can withstand the heat is ideal for stainless steel. My personal favorite drill bits to drill through stainless steel are cobalt drill bits. For drilling thru hardened steel, check out my list of drill bits here.

Can Drill Bits Be Sharpened?

Yes, you can sharpen if it’s no longer operating as expected. A bench grinder is the best tool for sharpening drill bits.

How Can I Prevent My Drill Bit from Breaking?

First, get a drill bit with a wider diameter if you want to prevent breaking. Ideally, drill bits with narrow diameter can easily break. Also, be careful when drilling. Do not apply excessive force. Most importantly, lubricate.


Getting the best drill bit for stainless steel bit goes a long way in improving your productivity at work. If you are looking for the best value, best budget, best brand or any other, you have an option now. All the four drill bits listed here are good and can help you do the work you have easily. What else is remaining? Well, get your choice but remember to keep it well by lubricating, cleaning after use and storing well.

Keep in mind that for different work surfaces, it is best to use appropriate techniques and the right drill bits. It is a waste to use cobalt drill bits on wood surfaces and it is bad to use porcelain drill bits for metal.

Check out my guide for how to choose the right drill bits for wood, metal, aluminum, porcelain tile and the best countersink drill bit.

As always, please feel free to let me know your thoughts via [email protected] as I love hearing from you. In fact, it is my habit to check my email and talk to my readers every morning and I am super grateful for being able to do that. Until next time, folks.