Get To The Point With The Best Drill Bits for Hardened Steel

If the hardened steel is not treated at high temperatures, it can become brittle. It does have to go through the two-part process so that it can be hard and not wear out over time.
COMOWARE is a brand owned by Jiangsu Tiangong Industrial’s U.S. Division. They manufacture high-quality tools at reasonable prices.
In terms of the best overall in performance and quality, we strongly recommend the DEWALT Titanium Drill Bit Set. However, if you are on a budget, we recommend the Hymnorq Jobber Twist Drill Bits 15pc Set.
Hymrooq is actually a trademark of Zhongxun Liu. They are primarily an Amazon seller that sells tools and drill bits that many customers have been satisfied with.

What is Hardened Steel?

Hardened steel is often used for a medium or high carbon steel that has already been given heat treatment and the quenching is followed by tempering.
Heat and hardened steel don’t really get along, so you’ll have to control the heat. This means you may have to put a tiny bit of oil on the metal to make sure that it stays lubricated. Some bits come naturally lubricated (the ones for hardened steel) but in the event, the ones you are using don’t, definitely use the oil.

As you read today, hardened steel definitely needs specific bits for them. They need the bits that will be of highly durable material, that can withstand wear and tear. They also have to resist heat as well. You’ll have to decide which set of drill bits will suit your next drilling needs.

Materials of Drill bits

Cobalt

Best Bargain: Hymnorq Jobber Twist Drill Bits 15pc Set

High-Speed Steel

COMOWARE is an affordable company that sells quality tools and drill bits such as this Cobalt Drill Bit Set. Made out of 5% cobalt and high-speed steel with a gold oxide coating, they are expected to be durable for years to come. There are 15 pieces in this set and the sizes range from 1/16 inch to ⅜ inch. There’s also a 135-degree split point which will help stop walking and helps to ensure the chips move smoothly in the material. It comes with a plastic case that the bits can be stored in and can be transported to where you might need to use the bits.

Carbide

Figuring out drill bits and which types to use for certain materials can be confusing. The reason that there are specific bits for specific materials is primarily because of the bit’s construction. There are some household projects that you can use to steel drill bits with a tapered point but when it comes to hardened steel, regular bits won’t work on it.

Diamond Coated

Storing and Caring for Your Drill Bits

• You’ll want to mark, or center punch a spot where you want to drill. It will make sure that the bit doesn’t slide all over the surface.
• You need to know the correct speed for the material that you will be drilling on. Softer materials need faster speeds, hard materials need slower speeds.
• When you’re drilling you definitely want to have the right amount of pressure. If you put too much pressure while drilling, the bit will deflect. If there is too little pressure, the bit will not go through the material.
• Most drill bits usually have a case that comes with it, so make sure it is in a dry area or in the case. If they are exposed to moisture, they will rust and they’ll be no good.
• When you’re getting ready to drill and any material, you’ll need to know what each drill bit is for. Using the wrong one can produce less than desirable results.
• If you are going to use hammer action on your tool, you should know when to use it or not. Because some drill bits will dull with excessive hammer use.
• If you are working with masonry bits, you’ll want to keep a jug of water nearby while you drill because the bits can get very hot.
• If you are using larger drill bits, make sure that you have a tight grip on the tool as they can produce a lot of force to the drill.
• When you are drawing metal, you want to make sure there’s enough lubrication like water or any other metal-friendly fluid.
• Never have the drill in reverse as it can dull and overheat easily.
• Even while you’re using the drill bit, you’ll want to clean it from dirt and debris so that nothing gets trapped in them and so that it doesn’t get overheated.

Best 5 Drill Bits for Hardened Steel

DEWALT Titanium Drill Bit Set

Tips for Drilling into Hardened Steel

Use the Right Bits

Control the Heat

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You’ll want to sharpen your drill bits against a bench grinder. From there, you’ll want to hold the grinder firmly and hold the bit at an angle until it looks sharp. After that, you’ll want to give your bit a test run to see if it’s sharp enough. If it is, you’re done! If not, you’ll have to grind it on all sides until it’s sharp enough.

The HYCLAT Titanium Step Drill Bit has 5 pieces but really you can treat it as 50 pieces as each drill bit can actually drill many bore diameters. They range from 3/16 to 1 ⅜ inch, as it’s clearly marked on each of the bits. The bits are constructed out of high-speed steel with an excellent titanium coating, so it’s durable and capable of drilling holes in materials such as metal, aluminum, copper, plastic, and more.

Vibration Control

Finally, the Hymnorq Jobber Twist Drill Set has 15 pieces that are made out of cobalt steel as well as molybdenum which means it is heat resistant and durable. The bits were measured at 67 for the Rockwell hardness scale, which means that it can cut faster and has a longer life span. It has a 135-degree split-point self-centering tip that can handle penetration fast with less pressure. The bits have 12 different sizes that range from 1/16 inch to ⅜ inch.

Let the Tool Cool Down

Pros

Safety Matters

These bits are made out of steel, but they do have a carbide tip, which got them their name. They’re usually extremely hard, so they’re popular to use in industrial settings. They can typically cut through concrete, masonry, tile, and sometimes even metal plus more.

About the Brands

DEWALT

This company, while not widely known, makes high-quality tools that thousands of customers are satisfied with. They are primarily on Amazon, and their drill bits specifically are of high quality that makes many customers pleased with its quality and use.

COMOWARE

You’ll find our 5 top picks of the best drill bits for hardened steel below and learn a bit more about drill bits that are meant for hardened steel.

Drill America

Dewalt is the biggest name in this roundup, so we decided to start with them as they have a very good drill bit set that is worth mentioning. The Dewalt Titanium Drill Bit Set comes with 21 pieces that are made what the title says it’s made out of, which is titanium. That means it can withstand being drilled into the metal with no issues because of its build.
Best Overall:DEWALT Titanium Drill Bit Set

HYCLAT

These particular drill bits are made out of vanadium and tungsten. They have a hardness grade of 60 or above on the Rockwell hardness grade. They are commonly known as the twist bits due to the fact they do have that twist screw look on the top of the bits.
Also, it’s not advisable to use a drill at a high speed, since the higher it does, the more heat is created. Slow and gradual with the tool is the way to go and it’s preferable if the bits you use have titanium coating, because they’re usually heat resistant.

Hymnorq

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The reason, it’s because hurting still is tougher than most materials that regular drill bits can’t cut or drill into. Drill bits, especially the one that is meant by hardened steel, are much different than the regular ones. They are more resistant to heat, and they also have a very unique shape. These types of bits are made from tougher materials that last much longer than traditional drill bits.

FAQ

Does the length of the drill bit matter?

All drill bits can snap at any moment, leading to a dangerous situation. This means it can throw metal shards towards your eyes, potentially causing blindness. For this reason, you’ll absolutely want to wear safety glasses. As we mentioned earlier, you’ll absolutely want to make sure that the piece that you’re working on is stable and clamped down properly.

How do I sharpen my drill bits?

The best drill bit for hardened steel would be Cobalt drill bits. They’re made out of durable material, can withstand a lot of pressure and heat and have no issue with hardened metals, including steel.

What is the best drill bit for hardened steel?

Drill America has been around since 1923 and has plants in the USA, Europe, and Asia. They also work with distributors to make sure they have the best quality tools that are made by them. The tools by them are of high quality and affordable.

Bottom Line

The diamond bits are perfect for drilling through very hard materials. The bits are made from high-speed steel, and it has a diamond tip, which means it’s extremely durable.
The Drill America Drill Bit Set has 29 pieces that are made out of Cobalt as well as gold oxide coating which means it can resist heat and can be used at higher speeds.

These bits can cut through hard metal with no issues as well as wood and plastic as well. It may have a hard time cutting through hardened-steel or high carbon steel, as you’ll have to adjust the RPM speed on the tool you’re using if you do want to attempt to cut through those. This set comes in a plastic ABS case that can store all the bits and can be transported to wherever you may need the bits for.