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) 2023
10. Hymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits
The Hymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits are M35 cobalt steel and molybdenum. These bits have a 135-degree split pointed bit, which is self-centering and will penetrate stainless steel, cast iron, and softer materials.
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.
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
The Champion Cutting Tool Brute Platinum Twister bits are made with premium high-speed steel treated with NOMO surface treatment that helps the bits slide smoothly through steel, stainless steel, and titanium alloys. They come with a split point that will allow you to drill three times longer than with other 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.
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
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.
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 2023)
7. POWERTEC QDB2012 Cobalt Drill Bit 1/2-Inch | 135 Degree Drill Bit Set — 2 Pack
The POWERTEC QDB2012 Cobalt Drill Bit 1/2-Inch | 135 Degree Drill Bit Set comes with two cobalt bits that are great for drilling through stainless steel, cast iron, and nickel. The cobalt drill bits are M35 high-speed steel to resist heat buildup and wear.
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.
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)
The DEWALT Drill Bit Set has pure titanium pilot points, which are durable and tapered to reduce the chance of breaking. These bits will bore through most types of wood and metal without walking.
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.
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
The Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set comes with fourteen different sized bits. The bits are made from upgraded M42 cobalt that resists heat and can drill through stainless steel, titanium, and even aluminum. These are the best drill bits for stainless steel bolts and other stainless steel projects.
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.
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 2023)
4. COMOWARE Cobalt Drill Bit Set — 15Pcs M35 High-Speed Steel Twist
The COMOWARE Cobalt Drill Bit Set comes with fifteen bits that produce clean holes smoothly. The bits use M35 cobalt high-speed steel and come with a 135-degree split point and a gold oxide finish. The bits can cut through stainless steel, cast iron, titanium, wood, and hard plastic without a problem.
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.
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
The amoolo Cobalt Drill Bit Set fits most drills and produces substantially deep holes. The bits are heat resistant and have a clear grooved design that prevents them from walking while you complete your holes. The bits cut cleanly into stainless steel, cast iron, regular steel, and wood.
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.
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
The 1/8-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits are heat resistant with a 135-degree split point. The drill bits work best on hard metal. Their hardness is reinforced with straight shanks, and you can repeatedly sharpen the edges without damaging them.
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.
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 2023)
1. Metric M42 8% Cobalt Twist Drill Bits Set
The Metric M42 8% Cobalt Twist Drill Bits Set controls the temperature the bits generate through use. The bits are chip and wear resistant. They come ready to use with a one hundred thirty-five degree split point to ensure a deep and accurately drilled hole.
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.
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.
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.