Hardened steel can be a bit tough unlike wood, plastic or other material. That means if you have to drill through it, you’ll need to get the right tool. Not every drill bit can help you do the job. There are specific ones that are designed for such jobs, and you need to have familiarity with them. This article takes you through the best drill bits for hardened steel that you can use to get your job done. It explains what hardened steel is, provides details of the top five selected drill bits for hardened steel, and finally ends with useful information on factors that determine a good drill bit for hardened steel.
- Here are The Best Drill Bits for Hardened Steel
- #1: DEWALT DW1534 – Top Pick
- #2:HYCLAT 5pcs Titanium Step Drill Bit, Hss Cobalt Multiple Hole 50 Sizes High Speed Metal Steel Step Drill Bit Set with Aluminum Case
- #3: Drill America 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16″ – 1/2″ X 64ths), DWDCO Series
- #4: DEWALT DW1263 14-Piece Drill Bit Set
- #5: IRWIN Industrial Tools 316015 Cobalt Drill Bit Set
- Hardened Steel
- What Determines a Good Drill Bit for Hardened Steel?
- Take Home Point – Conclusion
Here are The Best Drill Bits for Hardened Steel
#1: DEWALT DW1534 – Top Pick
DEWALT has been and continues to be among the top manufacturers of drills, and other products. Our first selected top drill bit for hardened steel is, therefore, DEWALT DW1534. If you have never used it, then this is something that you need to give a try soon. Its special design makes it a top-quality drill bit for hard metal drilling including hardened steel. Also, its tapered web makes it a durable type that can last for many years besides giving you top performance. Furthermore, the fact that it starts working on contact means that it is a type that can give you clean holes. One more point to note is the fact that it comes in a variety of pieces not only for versatility but also to meet the varying needs of buyers.
- Very strong and works best especially when it comes to drilling hard metals
- Its pilot point eliminates walking when drilling
- Delivers precision cutting through hardened steel easily and hassle-free
- No weakness or disadvantage has been reported about DEWALT DW1534 so far
#2:HYCLAT 5pcs Titanium Step Drill Bit, Hss Cobalt Multiple Hole 50 Sizes High Speed Metal Steel Step Drill Bit Set with Aluminum Case
If you are looking for drill bits that can be used for multiple purposes, then the HYCLAT HSS0501 is all you need. This brand comes as a set of 5 pieces and the way it’s packaged makes it impressive both in the look as well as the way it works. For durability, this brand is made to be rust free, and you can rest assured of using it for many years. Furthermore, its two flute design makes it easy to operate and also reduces waste. It also has a splint point to keep it from slipping especially at high speeds. Indeed, this is something to consider, and you have no reason not to include it in your list of the top drill bits for hardened steel.
- Comes with a carry case that makes it easy to keep, and move it from place to place
- Can drill at high speed while reducing waste, and keeping the hole as smooth as possible
- The best drill bit for cutting hardened steel, and other hard metals
- You may have to spend more for the extra features and top quality
#3: Drill America 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16″ – 1/2″ X 64ths), DWDCO Series
Want an old brand? The manufacturer of Drill America DWD29J-CO-PC has been in the industry for decades and still offers you the excellent drill bits for hardened steel. This product comes as a set, and you can use it to drill deep holes. Like the other brands already highlighted, DWD29J-CO-PC has a splint point to prevent slipping when it is at its maximum operating speed. It is also worth noting that this drill bit is made of cobalt material that makes it durable provided it is kept well. Most importantly, note that this is also a high performing type that always does the best when it comes to drilling hardened steel.
- Highly versatile since it comes in a wide range of sizes
- Drills deeper holes compared to other types
- Has a nicely designed casing for storage and easy carrying
- You may need to handle it professionally if you want to get excellent results
#4: DEWALT DW1263 14-Piece Drill Bit Set
The DEWALT DW1263 14-Piece Drill Bit Set is another great drill bit for hardened steel manufactured by the renowned DEWALT Company. With its unique pilot point design, the drill bit can perform nicely without any risk of walking while it is drilling. Aside from that, the bit can cut through hardened steel and other metals faster owing to its making of industrial strength cobalt. Most importantly, its neat packaging and casing give it the ability to withstand harsh environmental conditions. You can thus acquire it, and rest assured of using it multiple times for years without having to get another one. That is, however, dependent on how you handle it. If you can use it like a pro, then this is a drill bit worth buying. It is available on Amazon.
- Comes in various bit sizes to handle a wide range of drilling tasks
- Comes with its own storage casing for easy handling and durability as well
- Designed uniquely for maximum performance, speed, and life
- Nothing reported on any weakness about this product
#5: IRWIN Industrial Tools 316015 Cobalt Drill Bit Set
Available in various sizes, the IRWIN Industrial Tools 316015 Cobalt Drill Bit Set ends our list of top five selected drill bits for hardened steel. It has a sharp cutting ability and will help you do your job for a long time without any need for special maintenance. In addition, the product is made of cobalt steel hence can easily drill through tough surfaces. It is, therefore, undoubtedly one of the tools to consider when it comes to drilling hardened steel.
- Drills accurately and is highly durable
- Comes in different sizes to suit different applications
- You may need to find a way of dealing with heat buildup when using it
While there are a couple of other drill bits for hardened steel, these five are among the best that you can consider if you have been planning to acquire one soon. Based on their details ranging from design, sizes, advantages, and others, it is pretty simple to narrow down the list and get one that meets your needs. Fortunately, all these five are capable of handling heavy duty jobs like drilling through hardened steel and other metallic surfaces.
First, even before diving into the top options you should consider when making your drill bit purchase decision, it would be great to understand what hardened steel is. What is important here is to understand how it is made, how it works, and, of course, how to drill it. Remember that it is not ordinary steel. Instead, it is a highly treated material that’s a bit tough to drill. Do you know how it is made? It is very vital.
To make hardened steel, ordinary steel is taken through two treatment processes that transform it from the ordinary form to a tough material. The processes are namely: tempering and quenching. Wondering what these processes are all about? Well, tempering is simply heat treatment. It is done to increase the toughness of the material. On the other hand, quenching means rapid cooling of the heated material. It is normally done to stop undesired reactions and to harden it for greater strength.
What Determines a Good Drill Bit for Hardened Steel?
Let’s face it, when you buy a drill bit, you definitely want something that will offer you the best possible performance. But often times, many buyers miss getting that best performing drill bit even when there are lots of such bits in the market. So what’s the secret to getting a good one? Well, it is simple. You just need to know the determinants of a good drill bit. Here are the top ones you need to know:
If you didn’t know, then you should now get it that the material used in making a drill bit determines important factors including efficiency as well as its performance. Also, you ought to understand that drilling through hardened steel is not a simple task. It is only a drill bit made of a strong and resistant material that can get the job done well. Examples of such materials include:
- Cobalt material
- High-speed steel material
- Type of Coating
The coating is very vital for durability, and a good drill bit should have a coating of a strong material that can keep it from corrosion and rust. Various types of good coating that you should check when selecting a drill bit include black oxide and TiCN coating. If you get one with any of these, rest assured of top performance as well as durability.
- Drill Bit’s Flute Design
When it comes to flute design, there are two types that you should know when making your purchase decision. There is a parabolic flute design, and the other one is the 30-degree angle flute design. If you are cutting through soft materials, then the flute design that is recommended is the parabolic design. On the other hand, for tough drilling tasks including hardened steel, your choice should be the 30-degree angle design. Now you know what to go for when it’s time to buy one for yourself.
Take Home Point – Conclusion
Our top pick is DEWALT DW1534 for its power and solidity, it just works great while being very versatile.
Getting the good drill bits for hardened steel is a process that requires one to do some homework. As explained, you need to understand how hardened steel is different from ordinary steel. That is not, however, enough. You also need to have knowledge of top drill bits that can drill through hardened steel. Important is also the process of determining which one among the many options is the best for your job. With that, you are good to go, and getting the best drill bit for hardened steel becomes an easy task.
Updated June 2019: added more information from our trusted sources:
Source: Familyhandyman, Napaonline.com, Lowes, Quora.
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