Best Drill Bits For Broken Bolts (2024 Update)
If you’re looking for a solution to remove those frustrating broken bolts, investing in the best drill bits can make all the difference. However, with so many options available, choosing the right one can be overwhelming. Before buying, there are a few factors to consider. Firstly, think about the size of the bolt and what type of metal it is made from. This will help determine the size and strength of the drill bit needed. Secondly, consider the shape of the drill bit. A spiral flute design can help create a smoother hole while reducing the risk of the bit getting stuck in the bolt. Lastly, think about the material the bit is made from. High-speed steel can be a great choice for basic projects while cobalt steel or carbide-tipped bits may be better for tougher applications.
Removing broken bolts can be a challenging task, but with the right drill bit, it can become a breeze. Have you been struggling with removing that stubborn bolt and don’t know which drill bit to choose? Do you need a drill bit that can handle heavy-duty projects without breaking the bank? This article will guide you through the various types of drill bits available, including the pros and cons of each, to help you make an informed decision. Keep reading to learn what factors to consider before making a purchase and how to choose the best drill bits for broken bolts. Are you ready to make your bolt removal projects much more manageable?
10 Best Drill Bits For Broken Bolts
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The product is ideal for removing broken screws, studs, and bolts from various materials.
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It is an ideal tool set for removing damaged or broken screws, bolts, and studs from various surfaces.
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The product is ideal for easily removing stripped, rusty or broken screws, nuts and bolts using high speed steel drill bits.
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Ideal for removing broken bolts, screws, and studs from materials such as metal, wood, plastic, and more.
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Ideal for drilling left-hand holes in metal with high-speed steel tools coated in titanium nitride, reverse-twist for increased durability.
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It is ideal for removing broken screws, bolts, and fasteners from materials.
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The product is ideal for removing broken or stuck screws and bolts from surfaces.
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It is ideal for easily removing stripped or damaged screws with its spiral flute broken bolt remover and left-hand drill-bit.
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The product is ideal for easily removing stripped screws and broken bolts with its screw-extractor and left-hand drill-bit set.
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This product is ideal for removing broken bolts and screws by using left handed cobalt drill bits and extractors.
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1. Oemtools Stud Extractor & Drill Set.
Introducing the Screw Extractor Drill Bit Set with Drill Guide, designed to solve your problem of removing damaged or stuck fittings. This perfect set is suitable for mechanics, carpenters, construction workers, or DIY enthusiasts.
Featuring an innovative design, this extractor set allows for multiple extractions, including broken studs, bolts, socket screws, fittings, painted-over screws, and snapped-off screw heads. The stripped bolt remover set is capable of removing broken screws with thread sizes ranging from 5 mm to 16 mm.
The stripped screw extractor set is incredibly easy to use, providing a quick and simple removal process. With our Speed Out Screw Extractor Set, you can quickly remove broken or stripped fittings, cutting down on the removal process.
To ensure accurate centering, the broken screw extractor set includes a full set of drill guides. These drill guides provide precise centering to help in centering your drill.
Transporting this set is made easy with the sturdy, blow mold case that organizes all 25 pieces of the reverse drill bit extractor set for easy identification and durable protection. The screw remover and extractor set case is perfect for the mechanic on the go.
Invest in the Screw Extractor Drill Bit Set with Drill Guide today and say goodbye to the headache of removing damaged, stuck fittings. This set is a reliable and efficient solution that provides multiple extractions, simple removal, drill guides, and a transportable case.
2. Ocgig 11 Pcs Damaged Broken Screw Extractor Drill Bit Bolt Stud Remover Tool Kit Set
Introducing the High Hardness Chrome Vanadium Steel Screw Extractor and Drill Bit Set, a versatile tool kit that can help remove damaged, rusted, or stripped screws, studs, bolts, fasteners, metal water taps, water tubes, and more.
Each drill bit is made from high-quality Chrome Vanadium Steel, ensuring durability and longevity. The aggressive left-handed spiral flute design of the extractors and right-handed spiral flute design of the drill bits provide extra gripping power for easier extraction of screws and bolts.
The diameters of the drill bits and the recommended extract diameters for broken screws are etched on the case, making it easy to select the right tool for the job. The set also includes a case for easy storage and organization.
Here's how to use the screw extractor and drill bit set: first, drill a hole in the broken screw using an electric drill. Then, gently tap the extractor into the hole and use a wrench to rotate counterclockwise to remove the screw.
Whether you're a DIY enthusiast or a professional mechanic, this screw extractor and drill bit set is a must-have in your toolbox. With its high hardness, durability, and ease of use, you can tackle any screw or bolt extraction job with confidence.
3. Damaged Screw Remover Set – Easy Hardware Extraction
The RIYCUOWT 6-piece screw extractor set is a versatile addition to any toolbox. These extractors work with any drill and all screw sizes or bolts ranging from 3-12mm. They are designed to remove even the most stubborn stripped, damaged, embedded, rusted, and painted-over screws and bolts with ease.
With a hardness rating of 63-65HRC, these screw extractors are more durable and longer-lasting than most on the market. They are constructed from high-quality materials that ensure they can withstand heavy use without losing their effectiveness.
Using these extractors is simple and easy. Just follow two simple steps to get the job done – First, use a suitable size screw remover to drill a hole with cutting size, and then use the extractor tool to reverse the damaged screw counterclockwise until it is released. The result is a hassle-free extraction process that saves time and effort.
The RIYCUOWT screw extractor set is backed by a 3 Tier 100% Money Back Guarantee, so customers can buy with confidence and complete peace of mind. If for any reason they are not satisfied with the product, they can return it for a full refund without any hassle.
4. Broken Bolt Remover Set – Comoware Hss M2
Make removing broken screws and bolts easier with this set of screw extractors and left hand drill bits. The spiral groove on the screw extractor increases grip force to remove studs, screws, and bolts from damaged workpieces around the house, garage, or on job projects.
Crafted from high-quality carbide material, the left hand drill is made of HSS M2, which prolongs the service life, enhances wear resistance, and removes chippings cleanly. M2 material is harder and tougher than other materials, making it a reliable choice for any project.
The unique design of the left hand drill features a 118° angle, making it easier to cut into the workpiece with small axial resistance. This design enhances the length of cutting edge work and decreases the nominal thickness of the cutting layer, improving heat dissipation and durability with better cutting effect.
This set is conveniently organized and stored in an index case, making it easy to use and carry. The set includes five alloy steel screw extractors and five HSS M2 left hand drill bits. The screw extractor set includes #1, #2, #3, #4, and #5, while the left hand drill bit models include 5/64", 7/64", 5/32", 1/4", and 19/64".
5. Lefty's Twist Set: Titanium Coated Steel Drills
This twist drill-bit set is the perfect addition to any toolbox. Each steel drill bit is expertly designed with an angled tip, twist style, and 135-degree split point for precise self-centering. These features increase cutting speed and prevent walking, enabling you to quickly clear chips and particles.
Constructed of high-speed steel with a titanium nitride coating, these drill bits are built to last. The high surface hardness allows for easy penetration of tough materials, while the steel reduces friction between the bit and workpiece. These quality titanium bits are sure to become a go-to for all of your drilling needs.
The special left-hand design of these versatile pieces makes them ideal for use with reversible drills with screw extractors. This design allows for the easy removal of broken fasteners, screws, bolts, and studs during home repairs, automotive garage projects, professional work, and more.
Available in 5-piece, 13-piece, and 15-piece SAE sets, this kit has the right size for any job. Choose the high-speed drill-bit set that fits your screw-extractor needs. Each set makes a great addition to automotive or home tools.
This all-in-one set arrives with the drill bits arranged in a high-impact metal index storage case. Each bit has a specific size slot for quick identification and easy organization, portability, and security in your home, garage, or workshop. With this twist drill-bit set, you'll have all the right tools at your fingertips for any project.
6. Screw Out Master Set – 11pcs Bits & Extractors
This set of screw extractors is the perfect solution for those dealing with damaged, rusted or stripped screws, bolts, and fasteners. Made of high-quality materials, the drill bits are constructed from high-speed steel (HHS) for superior hardness that can drill through most screws. The tool steel extractors feature a left-handed spiral flute design that maximizes gripping power, which makes removing stubborn screws a breeze.
The process of using these extractors is straightforward and hassle-free. First, drill a hole in the center of the broken screw with the appropriate-sized drill bit. Then, use the extractor that matches the drill bit size to take the screw out. The set includes 5 different sized drill bits (2.0mm, 3.0mm, 4.0mm, 6.5mm, 7.5mm) to ensure that every screw can be properly accommodated.
To provide maximum stability and control, the set comes with a tap handle that can securely hold the extractor in place while in use. For larger extractors, an adjustable wrench may be required. Whether you're a professional mechanic or a DIY enthusiast, this set is versatile enough to handle a wide range of applications.
7. Irwin Screw Extractor/ Drill Bit Set, 35-Piece (11135zr)
The Broken Studs, Bolts, Socket Screws, and Fittings Extractor Set is the ultimate solution for removing damaged or broken fasteners. Designed with an aggressive left-hand spiral flute, this set creates extra gripping power for ease of use and efficient removal of damaged fasteners.
The Easy Out style spiral flutes of the extractor set are embedded with the ability to increase grip as resistance increases, making it easier to remove the broken fastener. The extractor sizes and recommended drill bit sizes are etched on each tool, making it easier for users to select the right tool for the job.
This extractor set is an ideal choice for mechanics, DIY enthusiasts, and professionals who need to remove broken bolts, studs, screws, or fittings with ease. The set includes a variety of sizes to fit different fasteners.
Made from high-quality materials, this extractor set is built to last and withstand the toughest of jobs. It is easy to use, and its compact size makes it easy to store and transport.
Whether you are working on a car, motorcycle, or any other machine that requires the removal of broken fasteners, the Broken Studs, Bolts, Socket Screws, and Fittings Extractor Set is the perfect tool for the job. With its aggressive left-hand design and easy-out style spiral flutes, you can trust that this extractor set will get the job done quickly and efficiently.
8. Ultimate Screw Removal Set
The High-Speed Steel Spiral Flute Extractor Set is a must-have for anyone who needs to remove broken studs, screws, and bolts. With its durable construction, prolonged service life, and enhanced wear resistance, this set is built to last. The spiral groove design increases grip force, making it easier to remove broken fasteners in various settings.
This comprehensive set includes 5 spiral flute extractors (EX-1 to EX-5) and 5 drill bit sizes (5/64" to 19/64"), providing you with everything you need to tackle any broken fastener. The set also comes with a metal index case, making it easy to use and transport.
The unique design of the extractors features a 118° angle for easier cutting with less axial resistance. This design not only improves heat dissipation and durability, but also overall cutting performance. These extractors are essential tools for removing broken studs, bolts, socket screws, and fittings, and are suitable for various screw types and applications.
Using this set is incredibly easy, and it will save you time and money in the long run. Whether you're a professional mechanic or a DIY enthusiast, the High-Speed Steel Spiral Flute Extractor Set is a reliable and effective tool that you'll want to have in your toolkit.
9. Neiko Bolt Extractor Set – 10 Pieces
Introducing the ultimate solution for removing broken screws, studs, bolts and other fittings – the Bolt Extractors. With its advanced technology, this stripped bolt remover and extractor can effectively work on seized bolts, broken fasteners, and is commonly known as an easy out.
The Bolt Extractors come with Left Handed Drill Bits that are made from cobalt fortified high-speed steel, offering increased durability and service life. These reversed drill bits are specifically designed for removing broken bolts or studs by turning left to prevent further tightening of the bolt or screw.
The Spiral Flutes on these tools enable them to dig into the screw and increase grip as torque is applied for the removal of screws, fasteners, and bolts. This Strip Screw Extractor Kit is the perfect tool to get those stubborn fasteners out.
All the tools come in a durable metal carrying case that is designed for easy organization and storage. The sizes are clearly labeled, making it easy to locate the tool you need when you need it. This carrying case is convenient for use when WD40 or easy out lubricant doesn’t get the job done.
The Bolt Extractors and Left Handed Drill Bits set includes the following sizes: 5/64”, 7/64”, 5/32”, 1/4”, 19/64” and Matching Alloy Extractors (stud outs) – #1, #2, #3, #4, #5. The red carrying case is perfect for carrying all these tools and keeping them organized.
10. 10pc Screw Extractor | Left Hand Cobalt Drill Bit Set Easy Out Broken Bolt
The 10pc Screw Extractor and Left Hand Cobalt Drill Bit Set is an essential tool kit for any handyman or DIY enthusiast. This set comes with 10 pieces of high-quality cobalt drill bits and screw extractors that are designed to help remove broken bolts, studs, and screws with ease.
The set is made of premium grade materials and is built to last. The cobalt drill bits are made of high-speed steel and cobalt, which provides superior durability and strength. The screw extractors are made of high-quality carbon steel, which is known for its toughness and resistance to wear and tear.
The left-hand design of the cobalt drill bits and screw extractors allows for a more efficient and effective extraction process. This is because the left-hand design creates a counterclockwise rotation that helps to loosen the broken bolt or screw.
The set comes in a compact and durable case that is easy to carry and store. The case is made of high-quality plastic and has a secure locking mechanism that ensures the tools stay in place and do not get lost.
This set is perfect for anyone who works in automotive repair, construction, or any other industry that requires the removal of broken bolts or screws. It is also ideal for DIY enthusiasts who want to be prepared for any repair or maintenance task that may come their way.
Best Drill Bits For Broken Bolts FAQs
Are cobalt drill bits better than standard ones for removing broken bolts?
Cobalt drill bits are often considered better than standard ones for removing broken bolts due to their increased hardness and heat resistance. Cobalt is a material that is added to the steel in drill bits to improve their durability and strength. When drilling into a broken bolt, the cobalt drill bit is less likely to become dull or break under pressure. Additionally, cobalt drill bits can withstand higher temperatures than standard drill bits, which is beneficial when drilling into hardened steel bolts that generate heat during the drilling process. However, it's important to note that using the correct technique and applying the appropriate amount of pressure is essential when using any drill bit to remove a broken bolt. It's also important to use the correct size drill bit to avoid damaging the surrounding material. While cobalt drill bits may have some advantages over standard ones, the best drill bit for removing a broken bolt ultimately depends on the specific situation and the experience of the user.
Are left-handed drill bits more effective for removing broken bolts?
Left-handed drill bits are often considered more effective for removing broken bolts compared to their right-handed counterparts. This is because left-handed drill bits rotate in a counterclockwise direction, which can cause the broken bolt to unscrew itself as it is being drilled.
By contrast, right-handed drill bits rotate in a clockwise direction, which can further tighten the broken bolt and make it more difficult to remove.
However, it's important to note that the effectiveness of left-handed drill bits in removing broken bolts ultimately depends on the specific situation. Factors such as the size and type of the broken bolt, as well as the condition of the surrounding material, can all affect the success rate of using left-handed drill bits.
Ultimately, it's best to consult with a professional mechanic or handyman to determine the best approach for removing a broken bolt in a specific scenario.
Can I use a hammer drill to remove a broken bolt?
Yes, you can use a hammer drill to remove a broken bolt, but it depends on the situation. If the bolt is stuck due to rust, corrosion, or other factors, then a hammer drill may not be the best option. In such cases, it is recommended to use penetrating oil, heat or other methods to loosen the bolt before attempting to remove it with a hammer drill.
However, if the bolt is not too stubborn and can be drilled through, a hammer drill can be useful. To use a hammer drill, you will need to select a drill bit that is slightly smaller than the bolt and drill into the bolt in the center. Once the drill bit has penetrated the bolt, you can use pliers or a wrench to remove it.
It is important to remember to wear safety goggles and gloves when using a hammer drill and to follow the manufacturer's instructions carefully. If you are unsure about using a hammer drill or removing a broken bolt, it is recommended to seek the assistance of a professional mechanic or handyman.
Can titanium drill bits effectively remove broken bolts?
Yes, titanium drill bits can effectively remove broken bolts. When a bolt breaks off inside a threaded hole, it can be extremely frustrating and challenging to remove it. However, titanium drill bits are known for their strength and durability, making them a great option for removing broken bolts.
Titanium drill bits are made from high-speed steel coated with a layer of titanium nitride. This coating improves the hardness of the drill bit and helps it last longer. When drilling into a broken bolt, the high-speed steel core of the titanium bit helps to maintain the bit's sharpness and prevent it from dulling.
To remove a broken bolt using a titanium drill bit, first, select a bit that is slightly smaller than the diameter of the bolt. Then, drill slowly into the center of the broken bolt. As you drill, the bit will gradually remove the bolt's fragments, making it easier to extract. With the right technique and the appropriate titanium drill bit, removing a broken bolt can be a successful and straightforward process.
How do I choose the right size drill bit for a broken bolt?
Choosing the right size drill bit for a broken bolt is crucial, as using the wrong size can cause further damage. To select the appropriate drill bit size, there are a few steps you should follow:
1. Measure the diameter of the bolt: Use a caliper or a ruler to determine the diameter of the bolt. This will help you select a drill bit that is slightly smaller in diameter than the bolt.
2. Choose the right type of drill bit: For most bolts, a standard twist drill bit will work. However, if the bolt is made of a particularly hard material, such as stainless steel, you may need to use a cobalt drill bit.
3. Start small: It's always best to start with a smaller drill bit and gradually increase the size until you reach the desired diameter. This will help prevent the drill bit from wandering and potentially damaging the surrounding material.
4. Use lubrication: To prevent the drill bit from overheating and breaking, use a lubricant such as oil or cutting fluid.
By following these steps, you can choose the right size drill bit for a broken bolt and safely remove it without causing further damage.
How do I prevent the drill bit from slipping when removing a broken bolt?
Removing a broken bolt can be a challenging task, especially when the drill bit slips and damages the surrounding area. To prevent the drill bit from slipping, there are a few steps you can take.
Firstly, ensure that you have the correct drill bit size for the bolt you are trying to remove. Using a bit that is too small or too large can cause it to slip.
Secondly, use a center punch to mark the center of the broken bolt. This will create a starting point for the drill bit and help it stay in place.
Thirdly, start with a smaller drill bit and gradually increase the size until you reach the desired size. This will help you avoid putting too much pressure on the drill bit, which can cause it to slip.
Lastly, make sure to apply steady pressure and use a low speed to avoid overheating the drill bit. If you notice the bit starting to slip, stop immediately and reposition it.
By following these steps, you can prevent the drill bit from slipping and successfully remove the broken bolt.
Should I use a diamond-tipped drill bit for removing broken bolts?
Using a diamond-tipped drill bit for removing broken bolts is not recommended. While diamond-tipped drill bits are known for their hardness and durability, they are primarily used for drilling into hard materials like concrete, glass, and ceramics. Using them on metal can cause the bit to overheat and wear out quickly, rendering it useless.
Instead, it is recommended to use a high-speed steel (HSS) drill bit with a cobalt coating for removing broken bolts. Cobalt coating provides extra hardness and durability to the HSS drill bit, making it more resistant to wear and tear. Additionally, it is important to use the correct size drill bit for the size of the broken bolt to avoid damaging the surrounding material.
Before attempting to remove a broken bolt, it is important to assess the situation and determine the best approach. In some cases, using penetrating oil or heat may be necessary to loosen the bolt before attempting to remove it. If you are unsure about the best approach, it is recommended to seek professional assistance to avoid causing further damage.
What are the best types of drill bits for removing broken bolts?
When it comes to removing broken bolts, using the right type of drill bit is crucial to avoid further damage. The best types of drill bits for this task are cobalt drill bits, left-handed drill bits, and screw extractor bits.
Cobalt drill bits are known for their durability and strength, making them ideal for harder metals. They have a high resistance to heat, ensuring they don't become dulled or damaged quickly. Left-handed drill bits, on the other hand, are designed to turn counterclockwise, which can sometimes cause the broken bolt to rotate out of its hole.
Screw extractor bits are specifically designed to remove broken bolts and screws. They work by drilling a small hole into the broken bolt, then using the extractor bit to grip onto the bolt and turn it out.
It's important to note that using the wrong type of drill bit can cause further damage or make the bolt even more difficult to remove. Therefore, it's recommended to consult with a professional or experienced DIYer before attempting to remove a broken bolt.
What is the best drill bit angle for removing broken bolts?
The best drill bit angle for removing broken bolts is typically between 118 and 135 degrees. A sharper angle will allow for more precise and aggressive drilling, which can be helpful when dealing with tough materials like metal. However, it is important to select a bit with the appropriate angle for the job at hand, as using the wrong angle can lead to dulling or breakage of the bit. In addition to the angle, it is also important to select a bit made of high-quality materials that can withstand the pressure and heat generated during drilling. Using lubricants or coolants can also help to extend the life of the bit and prevent damage to the surrounding material. Ultimately, the best approach will depend on the specifics of the situation, including the size and location of the broken bolt and the type of material it is embedded in.
What is the best speed to use when drilling out a broken bolt?
The ideal speed to use when drilling out a broken bolt depends on several factors, including the size of the bolt, the type of material it's made of, and the type of drill bit being used. As a general guideline, a slower speed is recommended when drilling out smaller bolts or bolts made of softer materials, while a faster speed may be required for larger bolts or bolts made of harder materials.
It's important to note that using too high of a speed can cause the drill bit to overheat, dull quickly, or even break, while using too low of a speed can cause the drill bit to bind or become stuck in the bolt. It's also crucial to use a sharp drill bit and to apply steady, even pressure while drilling.
Ultimately, the best approach is to start with a slower speed and gradually increase the speed as needed, while monitoring the progress of the drilling and adjusting as necessary. It's always a good idea to consult the manufacturer's recommendations for the specific drill bit and equipment being used.
