Social Moms

Best Drill Bit For Drilling Out Broken Bolts (2024 Update)

When you shop through links on our site, we may earn an affiliate commission. This educational content is not intended to be a substitute for professional advice.

If you're looking for the best drill bit for drilling out broken bolts, it's important to consider a few factors before making your purchase. Firstly, it's crucial to know what type of material the broken bolt is made of, as this will determine the type of drill bit you need. Additionally, you'll want to consider the size and shape of the broken bolt, as well as the size of the hole that you need to create in order to extract it.

When selecting a drill bit, it's also important to consider the quality of the bit itself. Look for material that is durable and effective, such as cobalt or titanium, as this will ensure that the bit is able to withstand the pressure of drilling through the bolt without breaking or becoming damaged. Finally, consider the price of the drill bit, as you don't want to overspend on a product that you may only use once.

If you're struggling to figure out which drill bit will work best for removing your broken bolt, ask yourself some questions. Are there any specific materials or sizes that you know you'll need? Are you willing to spend more money for a high-quality drill bit, or are you on a tight budget? By answering these questions, you'll be better equipped to find the best drill bit for your specific needs and preferences.

10 Best Drill Bit For Drilling Out Broken Bolts

# Product Image Product Name Product Notes Check Price
1
It is ideal for heavy-duty drilling in hard materials such as metal, stainless steel, and hardened steel.
2
The product is ideal for heavy-duty drilling tasks with hard metals and materials.
3
The product is ideal for extracting broken bolts, screws, and lug nuts from various surfaces.
4
This product is ideal for removing broken bolts and screws ranging from 4-25mm (1/8-1") using easy out bolt extractors and drill bits.
5
The product is ideal for removing stripped or damaged screws and bolts of various sizes and types.
6
This product is ideal for removing stripped screws and broken bolts with its screw extractor and left hand drill bit set.
7
Ideal for removing broken screws that are 3/16" in size.
8
The product is ideal for removing broken studs, bolts, socket screws, and fittings.
9
The product is ideal for extracting damaged screws and bolts from a variety of materials.
10
It is ideal for removing broken taps, drills, bolts, and reamers using a portable spark erosion EDM drilling machine.
It is ideal for heavy-duty drilling in hard materials such as metal, stainless steel, and hardened steel.
The product is ideal for heavy-duty drilling tasks with hard metals and materials.
The product is ideal for extracting broken bolts, screws, and lug nuts from various surfaces.
This product is ideal for removing broken bolts and screws ranging from 4-25mm (1/8-1") using easy out bolt extractors and drill bits.
The product is ideal for removing stripped or damaged screws and bolts of various sizes and types.
This product is ideal for removing stripped screws and broken bolts with its screw extractor and left hand drill bit set.
Ideal for removing broken screws that are 3/16" in size.
The product is ideal for removing broken studs, bolts, socket screws, and fittings.
The product is ideal for extracting damaged screws and bolts from a variety of materials.
It is ideal for removing broken taps, drills, bolts, and reamers using a portable spark erosion EDM drilling machine.

1. Drill Hog 29 Pc Super Hi-Molybdenum M7+ Drill Bit Set

The Drill Hog Hi-Molybdenum M7+ Super Premium Steel set is the perfect addition to any tool collection. This set includes 29 durable and reliable drill bits that range in size from 1/16 inch to 1/2 inch, with increments of 1/64th inch. This allows for maximum versatility in all your drilling needs.

One of the standout features of this set is the 135 degree split point design. This design helps to prevent "walking" during drilling, ensuring that your holes are precise and accurate every time. Additionally, the Tri-Flat Shank design prevents "spinning" in the chuck, providing a secure and stable grip during use.

Made of high-quality Hi-Molybdenum M7+ Super Premium Steel, these drill bits are designed to last. They are incredibly durable and can withstand even the toughest materials. Whether you're working with metal, wood, or plastic, these drill bits can handle the job.

The Drill Hog Hi-Molybdenum M7+ Super Premium Steel set comes with a lifetime warranty, ensuring that you can use these drill bits with confidence. If you encounter any issues with the set, simply contact the manufacturer for a replacement or refund.

2. Drill Hog 29 Pc Super Premium Cobalt M42+ Drill Bit Set

The Super Premium Solid Cobalt M42+ Steel set is a must-have for any serious craftsman or DIY enthusiast. This set boasts an impressive range of sizes, with increments of 1/64th of an inch from 1/16" to 1/2", ensuring that you have the perfect drill bit for any job.

Constructed from high-grade cobalt M42+ steel, these drill bits have superior hardness and durability, making them perfect for drilling through even the toughest materials. Additionally, the 135-degree split point design ensures that the drill bit will not "walk" or slip off the intended mark, providing you with greater precision and accuracy.

The tri-flat shank design of these drill bits also prevents them from spinning inside the chuck, ensuring that you can work more efficiently and without interruption.

This set comes with a lifetime warranty, so you can be confident in your purchase. Whether you're a professional contractor or a DIY enthusiast, the Super Premium Solid Cobalt M42+ Steel drill bit set is an essential addition to your toolbox.

3. Xewea Screw & Bolt Extractor Kit

Introducing the 35-Piece Extractor/Drill Bit Set, a comprehensive set of tools that is perfect for both professionals and DIY enthusiasts. It consists of 13 of the most commonly used multi-spline screw extractors, 16 tough left-hand cobalt drill bits, and 6 spiral screw extractors. With this set, you'll have everything you need to tackle any broken screw or bolt.

The HSS with Titanium Nitride Coating Drill Bit features a 135-degree split point and twist design that increases cutting speed with self-centering and prevents walking. This design also clears chips and particles faster, making your work more efficient. However, please note that the cobalt drill bits should not be used for stainless steel.

The Special Left Hand Design Drill Bit creates extra gripping power and has a unique design for use with screw extractors to remove broken studs, bolts, socket screws, and fittings. This set includes 5/64", 7/64", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 19/64", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", and 1/2" sizes.

Made of high-quality chrome molybdenum steel (CR-MO), the CRMO Material Damaged Screw Extractor is incredibly durable. The high hardness and good toughness of the material result in higher strength than chrome vanadium steel. The easy-out style spiral flutes embed themselves to increase grip as resistance increases. This set includes multi-spline extractors in sizes of 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16, 15/32, and 1/2".

This set of tools has a wildly range of adaptations and can be used with power drills, flat or allen wrenches, and tap adapters. Additionally, it comes with a ONE-YEAR WARRANTY and 24HRS ONLINE SERVICE by XEWEA, giving you peace of mind knowing that you're covered should anything go wrong.

4. Screw Saviors: 12pc Easy-Out Extractor Kit

Introducing the Damaged Screw Extractor, a must-have tool for any handyman, handywoman, or contractor. This extractor kit is designed to remove most kinds of damaged, rusted, broken, or stuck screws from any wood or metal surface. Made from premium steel with high temperature quenching and surface anti-rust treatment, this extractor set is strong and durable.

With this easy-to-use kit, removing damaged or broken screws, bolts, studs, threaded pipe fittings, and more is a breeze. The portable square head design allows for easy twisting with gallows and coarse thread, making it easy to take out screws. Keep this screw remover set in your toolbox to get the damaged screw out and your project back on track.

This package includes six screw extractors and six drill bits to meet multiple needs. The striped screw extractor removes broken screws with sizes ranging from 4-6mm (1/8 -1/4'') to 18-25mm (3/4 -1"), covering most screw specifications. This extractor set solves the problem of stud damage and all the troubles that come along with it.

The heavy-duty screw extractor comes in six different sizes, including 3.2mm, 3.7mm, 5.3mm, 6.2mm, 8.3mm, and 12mm, with lengths ranging from 5cm/1.97'' to 9cm/3.54''. Directly and quickly jam the inside of the screw after drilling to facilitate the removal of the screw.

The six high hardness drill bits included in this set function well for drilling, with sizes ranging from 3/32'' to 3/8''. Each drill bit has a different length, ranging from 1.89'' to 4.92'', making them versatile for drilling holes on wood, metal, plastic, brick, and wall, among others.

At the Damaged Screw Extractor, we provide a one-year warranty for the screw remover and extractor kit. Please contact us for any problems. Get your hands on this high-quality, durable, and versatile extractor set for all your screw removal needs.

5. Irwin Screw Extractor Set, Hex Head, Multi-Spline, 25-Piece (53227)

Looking for a high-quality set of extractors that can handle even the toughest jobs? Look no further than this versatile and powerful 25-piece set.

Designed to remove broken studs, bolts, socket screws, and fittings for high-torque applications, these extractors are perfect for use in a wide range of settings. With their aggressive left-hand spiral design, they offer extra gripping power to ensure that you can get the job done right.

And thanks to their easy-out style, these extractors are incredibly easy to use. Their spiral flutes embed themselves into the material as resistance increases, increasing the grip and making it easier than ever to extract even the toughest screws and bolts.

But that's not all – these extractors are also incredibly easy to read and use. Each tool is etched with the extractor size and recommended drill bit size, ensuring that you always have the information you need at your fingertips.

And with a range of hex head multi-spline extractors from 1/8"-7/8", this set has everything you need to get the job done right. Plus, they come in a heavy-duty carrying case that makes it easy to keep everything organized and in one place.

So why wait? Whether you're a professional mechanic or just someone who likes to tackle tough DIY projects, this extractor set is the perfect choice for you. With its powerful gripping power, versatile design, and easy-to-use features, it's a must-have for anyone who wants to get the job done right.

6. Extractpro: Screw & Bolt Removal Toolset

This Screw Extractor and Left Hand Drill Set is made from cobalt fortified HSS material, which increases the durability and service life of the left hand drills. The strong wear resistance and clear chip removal make this set highly efficient. The HSS material is harder, tougher and easier to drill, turn and remove damaged screws or bolts than other materials, making it a valuable addition to any toolbox.

The ez out bolt extractor set is designed with a 135° angle, which makes it easier to cut into the workpiece and has less axial resistance. This design not only increases the working length of the cutting edge but also reduces the thickness of the cutting layer, ensuring a better cutting effect without damaging other working areas.

This set includes 5 HSS left-hand drill bits and 5 alloy steel bolt extractors. The screw extractors come in 1#, 2#, 3#, 4#, and 5# sizes, while the left-hand drill models include 1/8", 5/32", 3/16", 1/4", and 19/64". The set comes with a portable storage case that provides excellent protection and helps prevent the loss of screw extractors.

This multi-purpose set is ideal for construction, automotive, home DIY projects, or for industrial use. The bolt extractors and left-hand drills are designed to remove broken screws and are suitable for use on both wood and metal surfaces. These extractors are excellent if you are working in a production environment and using screw head bolts.

Using this Broken Bolt Extractor Kit saves time and effort. It is used to remove stuck, broken, or screwed tools. The stripping bolt remover and extractor easily removes damaged screws, studs, bolts, and other accessories, making it an essential tool for any professional or DIY user. Overall, this Screw Extractor and Left Hand Drill Set is an excellent investment for those in need of a reliable and efficient toolset for screw and bolt extraction.

7. Rescue Bit Broken Screw Extractor Removal Tool 3/16"

Introducing the Rescue Bit, an innovative tool designed to remove broken EZ Outs, screw extractors, taps, bolts, and other stubborn hardware. This versatile tool can be used in a die grinder at high speed or in a hand drill at lower speeds, providing flexibility in any project.

The Rescue Bit is engineered to cut, drill, and ream all in one motion, making it an efficient and effective solution for a variety of repair and maintenance tasks. With a diameter of 3/16" and a length of 3", this compact tool is easy to handle and store.

Whether you're a DIY enthusiast or a professional mechanic, the Rescue Bit is an essential addition to your toolkit. Its durable construction ensures a long lifespan, while its multi-functional design saves both time and effort.

Say goodbye to frustration and wasted resources with the Rescue Bit. Trust in its ability to remove even the most stubborn hardware, and enjoy the satisfaction of completing your projects with ease.

8. Ultimate Bolt Extraction Set With Drill Bit

Introducing the versatile 35-Piece Extractor/Drill Bit Set, a must-have tool for any DIY enthusiast or professional. This set includes 13 of the most commonly used multi-spline screw extractors, 16 tough left-hand cobalt drill bits, and 6 spiral screw extractors.

The HSS with Titanium Nitride Coating Drill Bit features a 135-degree split point and twist design that increases cutting speed while promoting self-centering and preventing walking. Additionally, it clears chips and particles faster. Please note that the Cobalt drill bits should not be used for stainless steel.

With its unique special left-hand design, the Drill Bit creates extra gripping power and is ideal for use with screw extractors to remove broken studs, bolts, socket screws, and fittings. This set includes a wide range of drill bits: 5/64", 7/64", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 19/64", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", and 1/2".

Our AKM screw extractor is made of high-quality chrome molybdenum steel (CR-MO) that exhibits high hardness, good toughness, and higher strength than chrome vanadium steel. It comes with easy-out style spiral flutes that embed themselves to increase grip as resistance increases. This set also includes multi-spline extractors in sizes: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16, 15/32, and 1/2".

This set is highly adaptable and can be used with power drills, flat or Allen wrenches, and tap adapters. It offers a wide range of adaptations that make it suitable for a variety of tasks.

9. Bosch Spiral Flute Extractor & Drill Bit Set.

Looking for a reliable tool to remove stripped screws and bolts? Look no further than these high-quality screw extractors. Made from heat-treated carbon steel, these extractors are built to last, providing superior durability and strength. The left-hand flutes grip the metal firmly, making it easy to remove even the most stubborn fasteners.

Thanks to their rolled threads, these extractors deliver greater accuracy and cleaner results than machined threads. And with their rust- and tarnish-resistant design, you can count on them to provide long-lasting performance, even in harsh conditions.

Whether you're a DIY enthusiast or a professional mechanic, these screw extractors are sure to become an essential part of your toolkit. So why wait? Order yours today and experience the convenience and reliability of these top-quality extractors for yourself.

10. Edm-2000b Portable Tap Extractor & Disintegrator

Introducing the Immediate Use Portable EDM, a powerful and convenient tool for machinery repair. With a power of 110V/220V and 50/60HZ, this EDM can be used right out of the box. Its input power ranges from 300W-2000W, making it capable of fast removal of M2-M36 (5/64'' to 1-27/64'') broken taps, drills, studs, bolts, and reamers without damaging the workpiece.

The best part? It only requires ordinary tap water as the working liquid, which makes it economical and easy to use. Additionally, its power consumption is moderate, making it an energy-efficient option. The inlet pipe is also detachable for added convenience.

Operating the Immediate Use Portable EDM is easy and simple. It features a one-key start/stop function and auto feed stepper motor, allowing for smooth and hassle-free operation. This tool is widely used in machinery repair and can be used to process large or heavy equipment repair, auto truck repair, and more thanks to its magnetic base and rotating workhead.

Best Drill Bit For Drilling Out Broken Bolts FAQs

Can a diamond-coated drill bit be used for removing broken bolts?

A diamond-coated drill bit is not the best option for removing broken bolts. Diamond-coated drill bits are ideally used for drilling through hard materials such as glass, ceramics, or stone. While they are known for their exceptional hardness and durability, they are not designed for the purpose of removing broken bolts.

To remove a broken bolt, it is recommended to use a high-speed steel (HSS) drill bit. HSS drill bits are capable of cutting through metal and can drill through the bolt without breaking. Additionally, it is important to use a drill bit that matches the size of the bolt and to drill a small pilot hole to guide the bit before drilling out the bolt.

In cases where the bolt is severely rusted or corroded, it may be necessary to use a penetrating oil or heat to loosen the bolt. However, using a diamond-coated drill bit for removing broken bolts is not recommended and may result in damaging the drill bit.

Can a titanium drill bit be used for removing a broken bolt?

Yes, a titanium drill bit can be used for removing a broken bolt. Titanium drill bits are known for their strength, durability, and ability to drill through tough materials. When using a titanium drill bit to remove a broken bolt, it is important to use the correct size bit and to start drilling slowly to prevent the bit from slipping. It is also important to use a lubricant such as oil or grease to reduce friction and heat buildup during the drilling process. As the hole is drilled deeper into the bolt, the bit may become hot, so it is important to pause periodically to allow the bit to cool down. Once the hole has been drilled completely through the bolt, a bolt extractor can be used to remove the broken bolt from the hole. Overall, using a titanium drill bit to remove a broken bolt can be an effective solution when done carefully and with the proper technique.

How can I prevent the drill bit from slipping while drilling out a broken bolt?

When drilling out a broken bolt, it is crucial to prevent the drill bit from slipping to avoid damaging the surrounding material or breaking the bit. Here are some tips to prevent the drill bit from slipping:

1. Use the correct size drill bit: Choose a drill bit that matches the size of the broken bolt. This will help hold the bit in place and prevent it from slipping.

2. Use a center punch: Before drilling, use a center punch to create a small indentation in the center of the broken bolt. This will guide the drill bit and prevent it from slipping.

3. Apply steady pressure: Apply firm and steady pressure while drilling. Avoid applying too much pressure, as it can cause the bit to slip. Use a slow and steady drilling speed.

4. Use a drill guide: A drill guide can help keep the bit in place and prevent it from slipping. You can purchase a drill guide or make one yourself using a piece of scrap wood.

5. Lubricate the bit: Apply a small amount of lubricant, such as oil or grease, to the drill bit. This will reduce friction and prevent the bit from overheating, which can cause it to slip.

How deep should I drill when removing a broken bolt with a drill bit?

When removing a broken bolt with a drill bit, the depth that you should drill depends on the size of the bolt and the thickness of the material it is stuck in. In general, you should drill just deep enough to remove the broken piece without damaging the threads in the hole. It is important to use the appropriate size of drill bit to avoid drilling too deep and making the hole too large.

To determine the appropriate depth, you can measure the length of the broken bolt and add a little extra to ensure that you drill through the entire piece. It is also a good idea to make a pilot hole before drilling with a larger bit to ensure that you are drilling in the right spot.

If you are unsure about the appropriate depth or are concerned about damaging the threads, it may be best to consult a professional or seek guidance from the manufacturer of the equipment you are working on.

How do I choose the right size drill bit for drilling out a broken bolt?

When drilling out a broken bolt, it's essential to select the right size drill bit to prevent further damage to the surrounding material and ensure the bolt will be properly removed. To choose the right size drill bit, you should first determine the size of the bolt you're removing. You can use a bolt gauge or caliper to measure the bolt's diameter accurately. Once you have the bolt's size, select a drill bit that is slightly larger in diameter than the bolt. For example, if the bolt's diameter is 1/4 inch, choose a drill bit that is 1/32 inch to 1/16 inch larger. This will allow enough room for the drill bit to grab onto the bolt's remaining threads and remove it without damaging the surrounding material. It's also crucial to use a drill bit made of high-speed steel (HSS) or cobalt to ensure it can handle the stress of drilling into a broken bolt. Additionally, make sure to use lubrication to reduce heat and friction and extend the life of your drill bit.

Should I use a cobalt drill bit for drilling out a broken bolt?

Yes, using a cobalt drill bit is a good choice for drilling out a broken bolt. Cobalt drill bits are made from a high-speed steel alloy that contains cobalt. This makes them more durable and heat-resistant than standard drill bits. When drilling out a broken bolt, you want a bit that can handle the heat generated by the friction of drilling into metal. Cobalt drill bits are better suited for the task and can stay sharper for longer periods of time even under high heat conditions. It’s also important to use the correct size cobalt drill bit for the size of the bolt you are trying to remove. Using the wrong size bit can result in damage to the surrounding metal or the bit itself. In summary, a cobalt drill bit is a reliable and effective option for drilling out a broken bolt.

What is the best type of drill bit for drilling out broken bolts?

When it comes to drilling out broken bolts, there are several types of drill bits that can be used depending on the situation. However, the best type of drill bit for this task is the cobalt drill bit. Cobalt drill bits are made of high-speed steel with added cobalt, which makes them more durable and heat-resistant than other types of drill bits. They can handle the high temperatures generated by drilling through metal and are less likely to break or dull quickly. Additionally, cobalt drill bits have a sharper point and can create a cleaner hole, which is crucial when drilling out a broken bolt. It's important to choose the correct size of cobalt drill bit for the bolt you are drilling out to avoid damaging the surrounding material. It's also recommended to use a drill press or a steady hand to ensure precise drilling and avoid any mishaps.

What is the best way to lubricate the drill bit when drilling out a broken bolt?

When drilling out a broken bolt, it is important to lubricate the drill bit properly to prevent overheating and prolong the life of the bit. The best way to lubricate the drill bit is by using a high-quality cutting oil or lubricant specifically designed for metal drilling. These lubricants help to reduce friction, dissipate heat, and prevent the drill bit from binding or dulling prematurely.

To use the cutting oil, simply apply a small amount to the tip of the drill bit and to the surface of the bolt. Then, begin drilling slowly and steadily, applying gentle pressure to the drill. Periodically stop drilling to add more lubricant to the bit and to clean away any metal shavings that may have accumulated.

It is important to note that using the wrong type of lubricant or too much of it can actually make the drilling process more difficult and may damage the drill bit. So, be sure to use a high-quality cutting oil and apply it sparingly for the best results.

What speed should I use when drilling out a broken bolt with a drill bit?

The speed you should use when drilling out a broken bolt with a drill bit depends on the size of the bolt and the type of material you are drilling through. In general, it's recommended to start with a slower speed and gradually increase it as you go. For smaller bolts and softer materials, a speed of around 1000-1500 RPM should suffice. For larger bolts and harder materials, you may need to use a higher speed, up to 3000 RPM or more. It's important to use a steady, even pressure while drilling and to keep the drill bit lubricated to prevent overheating. If you're not sure what speed to use, consult the manufacturer's recommendations for your specific drill and drill bit. It's also a good idea to wear eye protection and work in a well-ventilated area to avoid inhaling any debris.

Which brand of drill bit is recommended for removing broken bolts?

When it comes to removing broken bolts, the brand of drill bit recommended can depend on the specific situation and the material the bolt is stuck in. However, some popular and reliable brands for this task include Irwin Tools, Milwaukee, and DeWalt. These brands offer high-quality drill bits that are designed to handle tough materials and have a durable construction to withstand heavy use. Additionally, it's important to choose a drill bit that is the right size and shape for the job, as this will ensure that it can effectively grip and remove the broken bolt. It's also worth considering using a cobalt drill bit, as these are specifically designed for drilling into hard metals and can provide extra strength and durability. Ultimately, it's important to choose a brand and type of drill bit that is appropriate for the task at hand and can deliver reliable and effective results.

Sharing is caring!

Similar Posts