The best drill bits for stainless steel are sturdy and made to last through multiple projects.
You also need to know what to avoid and how to look at the best quality bits. Make sure to do your homework so you know what bits will work best for your projects.
In this article, we review ten of the best picks on the market in order to help you with your search.
Comparison List of the Top-Rated Drill Bits for Stainless Steel







Best 10 Stainless Steel Drill Bits (Reviewed & Ranked) 2025
10. Hymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits
Material: Cobalt steel
Cuts through: Stainless steel, cast iron, and other hard metals
Type: Metric
Bit Sizes: 1 mm up to 3 mm
Number of bits: 50 bits
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The quality of the bits is outstanding. They can drill smoothly, producing clean holes with every use, and they do not break easily when used for multiple projects.
- The set includes 50 bits.
- The bits are suitable for many types of projects.
- The bits can break if you drill them at an angle.
- The bits may be too small for some projects.
All the bits are of outstanding quality, overall. They go smoothly through stainless steel and can also penetrate other metals with ease.
9. Champion Cutting Tool Brute Platinum Twister
Material: Platinum
Cuts through: Drilling steel, stainless steel, and other hard to drill materials
Type: Standard
Bit sizes: 1/16″ to 1/2″
Number of bits: 64 bits
Users have generally praised the bits for their quality. Their longevity despite being used for multiple projects is a main benefit for the purchase.
Our only complaint involves the quality of the case they come in, which will hold your bits very tightly but make it difficult to get them in and out of.
- The bits are high-speed steel for durability.
- The bits come treated with a NOMO coating, which helps protect the bits while in use.
- There are 59 bits to choose from.
- You can lose bits in the case if they are pushed too far into it.
- The case can make it difficult to remove or put in the bits.
If it weren’t for the less-than-ideal case, we would’ve placed this set higher on our list. Nevertheless, the amounts of bits and their quality is phenomenal for the price.
8. 1/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits
Material: Cobalt Steel
Cuts through: hard metal, including stainless steel
Type: Standard
Bit sizes: 1/16″ by 1-7/8″
Number of bits: 12 bits
The 1/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits come in a set of twelve. They are ideal for high-speed drilling because they are heat resistant and come with a 118-degree point. You can resharpen the bits as they dull over time, and they work well with different kinds of hard metal, including stainless steel.
Reviews for these cobalt bits are positive due to their sharp edges and for containing multiple of the same size in the set. Having multiple bits means always having a sharp one ready when another starts to dull.
- The bits are heat resistant.
- You can drill through multiple types of metal, including stainless steel.
- The same 1/16″ bit comes in a package of twelve.
- The bits could be stronger.
- The bits may snap with too much force.
If you’re looking for this specific bit size, then this package provides an excellent deal. The fact that you can resharpen the bits adds immense value, and their heat resistance is outstanding.
(If you have a porcelain-related project in mind, you should check out this: 7 Best Drill Bits for Porcelain Tile of 2025)
7. POWERTEC QDB2012 Cobalt Drill Bit 1/2-Inch | 135 Degree Drill Bit Set — 2 Pack
Material: Cobalt
Cuts through: Metal, stainless steel, cast iron, titanium, nickel alloy, and softer materials
Flute Type: Spiral
Shank Type: Straight Shank
Bit sizes: 1/2″
Number of bits: 2 bits
Reviews for the bits are very positive. The bits last through multiple holes with a 135-degree split point, and you can easily sharpen them when they start to dull.
- You can sharpen the bit when they start to dull.
- You can drill with both keyed and keyless drills.
- The bits are M35 cobalt material.
- Not all points may be sharpened correctly.
Don’t let the fact that this pack comes with only 2 bits fool you. If taken care of, and if resharpened from time to time, these bits can last you for quite a lot of projects.
6. DEWALT Drill Bit Set, Titanium, 14-Piece (DW1354)
Material: Titanium Nitride Coated
Cuts through: Metal and wood
Type: Standard
Bit sizes: 1/16″ up to 1/2″
Number of bits: 14 bits
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Reviews for the bits are positive regarding durability and the different types of materials they can drill through. The variety of the bits makes the DEWALT kit a good choice for multiple types of home improvement or auto projects.
- The set comes with fourteen different bits to complete most jobs.
- The drill bits are titanium, which can last through multiple jobs.
- The bit tips have tapered edges to prevent them from snapping.
- The design of the case makes it difficult to get bits in and out of it.
- The titanium coating may strip off.
DEWALT never disappoints when it comes to drills and related accessories. As such, you can rest assured that this kit is of high value. The bits will bore through metal and wood with no hassle.
5. Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set
Material: Stainless Steel, Cobalt
Cuts through: Stainless steel, titanium, cast iron, light-gauge metal, and aluminum
Shank Type: Straight
Bit sizes: 1/16″ up to 1/2″
Number of bits: 14 bits
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Reviews for the bits are favorable when it comes to durability and quality. Users also like that the hardened bit tips can penetrate extremely hard surfaces. There were complaints of the bits wearing out or breaking too early, but not many.
- You will be able to cut through stainless steel without a problem.
- You can use these bits on a lot of tough metals.
- The bits do not dull quickly with use.
- The tips of the bits wear out with different types of metals.
- If you press too hard on the bits, they can break.
Bosch has delivered an excellent set of drill bits for stainless steel. You’ll be able to finish most projects on time, or even sooner, by using these quality-made accessories.
(If you want quality on the go, check this out: Best Portable Drills of 2025)
4. COMOWARE Cobalt Drill Bit Set — 15Pcs M35 High-Speed Steel Twist
Material: Cobalt
Cuts through: hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods
Shank Type: Round
Tool Flute Type: Spiral
Bit sizes: 1/16″ to 3/8″
Cutting Angle String: 135 Degrees
Number of bits: 15 bits
Buyers like the wide variety of sizes at a good price. They also enjoy the variety of materials the bits can drill through. There are a few negative reviews for the bits, with the biggest complaints being the bits snapping after hard use.
- The bits come in a case that keeps them organized by size.
- The bits work on steel as well as aluminum.
- The kit comes with fifteen different bits that work for most jobs.
- The longer bits may break more quickly.
- The bits can wear down quickly.
These bits produce clean holes without any hassle. The selection of sizes will cover a wide variety of projects that you may want to work on.
3. amoolo Cobalt Drill Bit Set (13 pcs), M35 HSS Metal Drill Bits
Material: M35 cobalt high-speed steel
Cuts through: Metal, cast iron, Aluminum Alloy, Wood and stainless steel
Shank Type: Round
Bit sizes: 1/16″ up to 1/4″
Number of bits: 13 bits
The reviews are positive for the value of the set for the money you will spend. The main complaint users have is the gradual and progressive wear on the bits when used for multiple jobs.
- Cutting through hard steel is no problem.
- The price for the bits is good for what you get.
- The bits in the package are the perfect size for most jobs.
- The bit tips can wear down quickly.
- The long bits break more easily.
These bits were made to produce deep holes inside the materials that you drill through. They cut cleanly into stainless steel and other hard metals. The price-to-value ratio is top notch, and this brand shows a lot of promise.
2. 1/8-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits
Material: Cobalt Steel
Cuts through: Hard metal and stainless steel
Shank Type : Straight
Bit sizes: 1/8″
Number of bits: 12 bits
The reviews for this set are mostly positive. Buyers of the bits rave over their resistance to heat, which can damage the bits and the project. They also loved the ability the bits have to drill through multiple types of metal without damage.
- You can use the bits for almost every type of metal drilling project.
- You can sharpen them as needed.
- They have no trouble drilling high carbon steel.
- The bits will break with too much force.
- They can wobble.
Featuring heat resistance and a 135-degree split point, these bits generally offer great resistance against steel and other hard metals. You can also repeatedly sharpen them, so you can use them for a very long time.
(The bits are just the beginning. To drill steel, you’ll also need this: DEWALT DCK290l2 Drill Review 2025)
1. Metric M42 8% Cobalt Twist Drill Bits Set
Material: Cobalt
Cuts through: Stainless steel, hard metals, aluminum, and plastic
Type: Metric
Shank Type: Straight
Bit sizes: 1 mm to 10 mm in 0.5 mm step increments
Number of bits: 19 bits
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The reviews are mostly positive, with buyers liking the versatility of the bits for working on metal, stainless steel, and wood projects. However, there are some complaints about the bits breaking if you press too hard on them while using.
- The bits have a 135-degree split point that makes it easy to drill deep into the material.
- You can use them on metal and wood projects interchangeably.
- The set comes with nineteen drill bits in 0.5 mm step increments.
- The bits wear down quickly when drilling hardened steel.
- The small bits can break if you lean too hard on your drill.
These fantastic drill bits are chip and wear resistant, meaning that you’ll get a lot of value for your money. The 135-degree split point allows for drilling deep and accurate holes. If we’re talking about stainless steel alone, these bits are by far the best for that material.
Conclusion
The drill bits you need are made from high-quality materials. They last through any number of projects and give you a quality final product every time.
If any high-quality drill bits have come to your attention, please let us know. If you also have an idea about bits that work best for stainless steel, please share your experience in the comment section below.