There are many different types of drill bits, each designed for a specific purpose. When it comes to removing broken bolts, however, there are only a few that will do the job effectively. In this article, we’ll take a look at the best drill bits for broken bolts, so you can choose the right one for your needs.

Are you struggling to remove a broken bolt? It can be frustrating, especially if you don’t have the right tools. In this blog post, we’ll show you the best drill bits for breaking bolts so that you can get the job done quickly and easily.

We’ll start with the basics – a good quality drill bit set. This will include all of the common sizes that you’ll need to break bolts. Look for a set that includes both high-speed steel (HSS) and cobalt (Co) bits.

HSS is great for general purpose drilling, while Co is designed specifically for tougher metals. Next, you’ll need a power drill. A cordless drill is ideal as it gives you more freedom to move around.

However, make sure it’s fully charged before starting work. You don’t want to run out of juice in the middle of a job! Now let’s take a look at some specific drill bits that are great for breaking bolts:

– The first choice is an impact driver bit . These are specially designed to handle high torque applications like breaking bolts. They have a sharp tip that helps penetrate tough metal, and they’re also very durable so they can withstand repeated use.

– Another good option is a carbide-tipped drill bit . These are extremely hard and resistant to wear, making them ideal for breaking tough bolts. They’re also quite expensive, but they’ll last much longer than cheaper alternatives.

Best Bolt Extractor? Let's find out! Drill Hog, Bosch, Irwin, Speed out, Ryobi Broken Screw Sets

Best Drill Bit for Hardened Steel Bolt

If you’re looking for the best drill bit for hardened steel bolt, look no further than the Bosch CO2131. This top-of-the-line drill bit is designed specifically for use with hardened steel bolts, and it’s able to deliver unbeatable performance thanks to its unique design. The CO2131 features a special carbide tip that’s been honed to an incredibly sharp edge, and this allows it to quickly and easily penetrate even the toughest of hardened steel bolts.

Additionally, the flutes on the CO2131 are designed in such a way that they provide maximum removal of chips while drilling, which helps to keep your drill bit from getting clogged up with debris.

Best Drill Bits for Broken Bolts


What Kind of Drill Bit Do I Need to Drill Out a Bolt?

You’ll need a drill bit that is the same size as the bolt. To remove a stuck bolt, you’ll first need to drill a pilot hole into it. Be sure to use a lubricant like WD-40 on the drill bit to avoid overheating the metal.

Start by drilling slowly and then increase your speed once the drill bit has made contact with the metal.

Can You Drill Through a Broken Bolt?

If you have a broken bolt that needs to be removed, and you’re wondering if drilling through it is an option, the answer is yes. Drilling through a broken bolt is actually a pretty common method for removal. There are a few things to keep in mind when drilling through a broken bolt.

First, you’ll want to make sure that your drill bit is the same size or slightly smaller than the diameter of the bolt. This will help ensure that you don’t damage the threads on the surrounding material. Second, you’ll want to use a slow speed when drilling and be careful not to overheat the metal.

Finally, once you’ve drilled through the head of the bolt, you can use a wrench or pliers to remove any remaining pieces. Drilling through a broken bolt may not be the prettiest solution, but it can definitely get the job done!

How Do You Drill Hardened Steel Bolts?

When it comes to drilling hardened steel bolts, there are a few different approaches that can be taken. The type of drill bit you use will play a big role in how successful you are at drilling through the metal. Here are a few tips to help you get started:

1. Use a carbide-tipped drill bit. This type of drill bit is designed specifically for drilling through hard materials like hardened steel. It will stay sharper for longer and won’t wear down as quickly as other types of drill bits.

2. Use plenty of lubricant. A good lubricant will help keep the drill bit from overheating and will make it easier to drill through the metal. Apply the lubricant directly to the drill bit before beginning to drill.

3. Go slowly at first. Start with a slow speed and gradually increase the speed as you go. This will help prevent the drill bit from overloading and breaking prematurely.

4. Keep your hands clear of the area where the drill bit is going into the metal. If the worst happens and the drill bit breaks, you don’t want your fingers to be in harms way!

How Do You Drill Out a Bolt With a Broken Drill Bit?

If you have a broken drill bit that is stuck in a bolt, there are a few ways to remove it. One way is to use another drill bit to make a hole next to the broken drill bit. Then, use a chisel or punch to break off the piece of the broken drill bit that is sticking out.

Another way is to use a Dremel tool with a cutting wheel attachment to cut through the bolt.


If you’re looking for the best drill bits for broken bolts, then you’ve come to the right place. In this blog post, we’ll go over what makes a good drill bit for this specific purpose and some of our top picks. We’ll also provide a few tips on how to use your drill bit to get the best results.

Leave a Comment

Your email address will not be published. Required fields are marked *