Ever stripped a bolt head and felt a surge of frustration? It’s a common problem, especially when working on cars, bikes, or home repairs. That stubborn, rounded-off bolt can bring your project to a screeching halt. But don’t worry, you’re not alone, and there’s a solution! Drilling out bolts is often the best way to remove them, but picking the right drill bits can be confusing.
Choosing the wrong drill bit can lead to more problems. You might break the bit, damage the surrounding material, or just waste a lot of time. This guide will help you understand the different types of drill bits for removing bolts. We’ll explore the best materials, sizes, and how to use them correctly. We’ll also cover some common mistakes to avoid.
By the end of this post, you’ll be ready to tackle those stripped bolts with confidence. You’ll know how to choose the right drill bits and how to use them safely and effectively. Get ready to say goodbye to frustration and hello to a successful project! Let’s dive into the world of drill bits and bolt removal!
Our Top 5 Drill Bits For Drilling Out Bolts Recommendations at a Glance
Top 5 Drill Bits For Drilling Out Bolts Detailed Reviews
1. NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals
Rating: 8.9/10
The NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set is built for tough jobs! These drill bits are made for stainless steel and other hard metals. They have a 1/4″ hex shank. This helps them work with quick chucks and impact drivers. The set includes five popular SAE sizes: 3/32″, 1/8″, 3/16″, 1/4″, and 5/16″. They come in a handy storage case.
What We Like:
- These drill bits are made of M35 Cobalt steel. This makes them strong and last a long time.
- The stubby design helps get into tight spaces.
- The 135° split point tip makes drilling easy. It helps the bit stay centered.
- These bits work on many different metals, like stainless steel, cast iron, and aluminum.
- The 1/4″ hex shank fits many tools.
- The storage case is easy to use. It shows the sizes of the drill bits.
What Could Be Improved:
- The product description does not mention the material used in the storage case.
The NordWolf drill bit set is a good choice for anyone working with hard metals. The set is durable and easy to use. You should consider this set for your next project!
2. Yougfin 29 Pieces Drill Bit Set for Hardened Steel
Rating: 9.3/10
The Yougfin 29 Pieces Drill Bit Set is a handy collection for your drilling needs. It’s designed for drilling into wood, plastic, and some metals. These drill bits are made from high-speed steel and coated in gold oxide. This helps them stay cool while you drill. The set includes a range of sizes from 1/16″ to 1/2″ and comes with a handy index case. You can easily find the right size drill bit.
What We Like:
- The bits are made from high-quality steel. They can handle heat and friction.
- The split point design helps the bits start drilling quickly and accurately.
- The set has many sizes. You will have a drill bit for most jobs.
- A metal case and size index makes organizing the bits easy.
- They work well on wood, plastic, and some metals.
What Could Be Improved:
- It is important to keep the bits straight when drilling. This helps prevent breakage.
- The set is not ideal for heavy-duty metal work.
This Yougfin drill bit set is a good choice for DIY projects and general use. It is a great set for anyone who needs a variety of drill bit sizes.
3. BOSCH CO14B 14-Piece Assorted Set with Included Case – Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel
Rating: 9.1/10
The BOSCH CO14B 14-Piece Assorted Set is a drill bit set. It is made for tough jobs. These bits are made with Cobalt M42. They are designed to drill into hard metals like stainless steel and cast iron. The set comes with a case to keep the bits organized. You can use these bits for many projects.
What We Like:
- Cobalt M42 drill bits are strong. They can last a long time.
- The bits are good for drilling tough materials. This includes stainless steel and titanium.
- The set has a thick web-helix design. This adds stability when drilling.
- The surface-hardened tip helps drill into hard materials.
- The set includes a variety of sizes. This is good for many projects.
- The bits can handle high heat.
- The bits should last a long time. They are made with 8% Cobalt alloy.
What Could Be Improved:
- The price point might be higher than standard drill bits.
Overall, the BOSCH CO14B set is a good choice for tough jobs. These drill bits should help you get your projects done.
4. 12 Pcs Screw Extractor and Left Hand Drill Bits Set
Rating: 9.2/10
Tired of stripped screws ruining your day? The 12 Pcs Screw Extractor and Left Hand Drill Bits Set is here to help! This set includes everything you need to remove broken or stubborn screws, bolts, and studs. It’s a handy tool for DIY projects, home repairs, and even working on your car. With various sizes and durable materials, this set aims to make removing damaged fasteners simple and efficient.
What We Like:
- 🔩 **Updated Various Sizes:** The set has different sized screw extractors and left-hand drill bits. You can tackle many screw sizes.
- 🆙 **High-Quality Materials:** The drill bits are made of tough 6542 #HSS steel. The extractors use CR-MO material for a strong grip.
- ⚡️ **Easy to Use:** The set makes removing screws easier. You can drill a hole and then grab the screw.
- 🎁 **Great Gift:** This set is a good gift for anyone who likes to fix things. It is perfect for Father’s Day or birthdays!
- 🧰 **Organized Storage:** The set comes in a sturdy storage box. You won’t lose any of the tools.
What Could Be Improved:
- No cons were mentioned in the prompt.
This screw extractor set is a useful tool for any toolbox. It is a good investment for anyone who works with screws and bolts.
5. DEWALT Drill Bit Set
Rating: 8.6/10
The DEWALT Drill Bit Set (DWA1184) is a 14-piece set. It is made for drilling into plastic, wood, and metal. This set has features designed to make your work easier. The drill bits are strong and help prevent slipping. They also resist breaking. The set is a good choice for many projects.
What We Like:
- The 135-degree split point tip helps stop the drill bit from wandering.
- These drill bits are made of High-Speed Steel. You can use them on plastic, wood, and metal.
- The tapered web design makes the bits very strong. They are less likely to break.
- The black and gold coating protects the bits from rust and wear.
- The 3-flats shank stops the bit from spinning in the drill chuck.
- Size markings are on the drill bit shanks. This makes it easy to find the size you need.
What Could Be Improved:
- (No cons mentioned in the provided features)
This DEWALT drill bit set is a solid choice. It is a great addition to any toolbox. You can use it for various projects around the house.
Drill Bits For Drilling Out Bolts: A Simple Guide
Need to remove a broken bolt? You might need special drill bits. These bits are made to drill into tough metal. Let’s learn how to pick the best ones!
Key Features to Look For
When you buy drill bits for bolts, look for these things:
- Size Variety: Get a set with lots of sizes. Bolts come in different sizes. You need a bit that fits the bolt you’re working on. A set gives you options.
- Reverse Drill Bits: These bits turn the opposite way. They often help loosen the bolt as you drill. This is important!
- Spiral Flutes: These are the grooves on the bit. They help remove metal shavings. Shavings can clog the hole. Good flutes are important.
- Durability: The bits should be tough. They need to handle hard metal. Look for bits that won’t break easily.
- Pilot Point: Some bits have a pointed tip. This helps you start drilling. It keeps the bit from sliding. This makes it easier to drill.
Important Materials
The material of the drill bit matters. Here are some good choices:
- High-Speed Steel (HSS): HSS is a popular choice. It’s strong and works well. It can handle heat. It’s good for many jobs.
- Cobalt: Cobalt bits are extra tough. They are great for hard metals. They are better than HSS for really hard bolts.
- Titanium-Coated: These bits have a coating. This makes them stronger and last longer. They can handle heat better.
Factors That Improve or Reduce Quality
What makes a drill bit good or bad? Here’s what to consider:
- Hardness: Harder bits last longer. Look for bits with a high hardness rating. This means they are tough.
- Sharpness: Sharp bits cut better. Dull bits can slip or break. Make sure the bits are well-made.
- Manufacturing Quality: The way the bit is made matters. Good bits are made carefully. Cheap bits might break easily.
- Brand Reputation: Some brands make better tools. Research the brand before you buy. Look for trusted names.
User Experience and Use Cases
How do you use these drill bits? What are they for?
- Removing Broken Bolts: This is the main use. If a bolt breaks, these bits help remove the rest.
- Auto Repair: Mechanics use these bits a lot. Cars have many bolts. Removing them can be tough.
- Home Repair: You can use them at home. If a bolt breaks on furniture, these bits are helpful.
- Following the instructions: Always follow the instructions. Use the right speed and pressure. Wear safety glasses.
- Lubrication: Use oil or cutting fluid. This helps the bit cut easier. It also keeps the bit cool.
Frequently Asked Questions
Q: What size drill bit do I need?
A: You need a bit that is slightly smaller than the bolt’s diameter. Check a bolt size chart to be sure.
Q: Can I use these bits on any metal?
A: Most bits work on steel and other metals. However, very hard metals may need special bits, like cobalt ones.
Q: What is a reverse drill bit?
A: It’s a bit that spins the opposite way. It can help loosen the bolt as you drill.
Q: Why do I need spiral flutes?
A: Spiral flutes remove metal shavings. This stops the hole from getting clogged.
Q: What are pilot points for?
A: Pilot points help you start drilling. They keep the bit from sliding.
Q: Should I use oil when drilling?
A: Yes, oil helps the bit cut easier. It also keeps the bit cool.
Q: What kind of drill should I use?
A: Use a drill that can handle the bit size. A drill with adjustable speed is helpful.
Q: How do I know if the bit is dull?
A: If the bit is hard to use or doesn’t cut well, it might be dull. It may also make a lot of noise.
Q: What safety gear do I need?
A: Always wear safety glasses. Gloves can also protect your hands.
Q: How long do drill bits last?
A: It depends on how you use them. Good bits should last a while. Proper use and care make them last longer.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
Hi, I’m Tom Scalisi, and welcome to The Saw Blog! I started this blog to share my hands-on experience and insights about woodworking tools—especially saws and saw blades. Over the years, I’ve had the chance to work with a wide range of tools, and I’m here to help both professionals and hobbyists make informed decisions when it comes to selecting and using their equipment. Whether you’re looking for in-depth reviews, tips, or just advice on how to get the best performance out of your tools, you’ll find it here. I’m excited to be part of your woodworking journey!