When you’re working with a bolts, only few things can be more frustrating than suddenly losing the head of a bolt and having the body stuck within the hole. Getting another bolt to replace the broken on isn’t the problem here; the real problem is getting the stuck part out of the hole.
You may have a drill to work with. But without the right drill bits, you still won’t be able to get the stuck part out. In this post, we’d be looking at some of the best drill bits for drilling out broken bolts.
Best Drill Bits for Drilling out Broken Bolts : Our Top 10 Picks
While there are many options on the market, not all drill bits would solve the broken bolt problem. So, we took our time to figure out the ones that really can – and the best ones among them.
After comparing several drill bit sets based on suitability for removing broken bolts and other factors such as build quality, casing, brand reputation, and buyer reviews, we ended up with these 7 top contenders.
1. IRWIN Screw Extractor : Masonry Drill Bit Sets
So you just lost the head of a bolt while trying to have it removed. Well, it is not entirely your fault. Corrosion and fatigue are some factors beyond your control that cause bolt breaking. However, when it happens, you would have to get the bolt out and replaced.
This would normally be a tedious task especially if don’t know your way around these type of things. Luckily for you, there is the IRWIN Screw Extractor 11135ZR. This drill bit works very well with many bolt types in any area of your vehicle or equipment even if you have limited space to use it.
Build Material and Quality
The IRWIN Screw Extractor 11135ZR is a 35-piece drill bit set with Spiral flute extractors. It features 35 tough drill bits that will get any broken bolt out without chipping. The drill bits are built to be rugged, sturdy, and will deliver regardless of the workload.
They are constructed of M-42, 8% cobalt, high-quality steel for super resistance in tough metals. This means these bolt extractors are less likely to break when using them on broken bolts.
- Removes broken studs, bolts, socket screws, and...
- Aggressive left hand design creates extra gripping...
- Easy out style spiral flutes embed themselves to...
The IRWIN Screw Extractor 11135ZR features drill bits with left-hand design to give you additional gripping power when removing stuck fasteners. They are structured to get the bolt out without damaging the workpiece. In the set, you will find bolt extractors, drill bits, and multi-spline extractors. They all make up the 35-set piece. The tools are spiral-shaped for easy removal. They can remove broken bolts, studs, fittings, and socket screws.
Fasteners or bolts vary in composition and hardness so you’ll need something that matches the bolt if you’re to remove it without damaging the workpiece. Etched right onto each tool is the recommended drill bit size to take away the guesswork and make your work faster and easier.
There is also a plastic case for you to store all your tools. IRWIN also includes some basic instructions in the case to help you get started.
- Drill bits are sturdy and durable
- 35-piece drill bit set
- Casing for easy storage
- Casing is made of plastic
2. Drill Hog Jobber Drill Bits Set
If you’re trying to drill through tough steel surfaces like truck frames, spring steel, grade 8 bolts, and farm implements, you will need something even tougher to get the job done. With the Drill Hog 115 Pc Drill Bit Set, you won’t have to worry about broken bolts or studs regardless of the toughness of the workpiece. It also features a highly-durable build and an impressive price tag to go with.
Build Quality and Material
Drill Hog 115 Pc Drill Bit Set are made from Hi-Molybdenum M7 Steel. It is a little bit different from drills sets made from cobalt in the sense that it will give you that extra gripping power and efficiency at a better price. Thanks to its heavy-duty build, this set will drill through steel without breaking and giving you more problems.
- HI-Molybdenum M7 Steel
- 1/16 to 1/2" in 1/64th Increments (Does not Skip...
- Letter Drill Bits A-Z
The Drill Hog Drill Bit Set consists of 115 pieces of drill bits which are a lot to go by. There are 29 fraction drill sizes, 26 letter size drill bits, and 60 number wire gauge drill bits. With so many options to go for, it might be difficult picking the right piece for the required job. Well, you won’t have to worry as the bits are numbered according to the bolt size they can work on. The 29 fractional sizes come from 1/16 inches to 1/2 inches, the 26 letter size drill bits are given alphabet A to Z, and for the 60 number wire gauge drill bits, you’ve got 1 to 60.
The Drill Hog 115 Pc Drill Bit Set comes with a sturdy case for easy organization and storage. Inside the case, you will find the instructions, sizes, and every other handy information you need to know before using the drill bits. Considering the highly durable build, the number of options, and the ease of use, the Drill Hog 115 Pc Drill Bit Set is by far one of the best options for any user.
- Hi-Molybdenum M7 HSS Steel
- 115-piece drill set
- Lifetime guarantee is not applicable
3. Drill Hog 115 Pc Best Drill Bits for Stainless Steel
Affordability and quality – These are some of the most important factors to consider when searching for a drill bit set for drilling out broken bolts and that’s just what the Drill Hog 115 Piece Screw Extractor and Drill Bit Set is all about.
Build Material and Quality
The Drill Hog 115 Piece Drill Bit Set can handle many bolt types with ease thanks to its high-quality build. This set is designed to get your screws, bolts, and studs out without damaging the frame of your workpiece or breaking while in use. In addition to its high-end features, it is one of the best options for those with only a few bucks to spare.
- Super Premium Cobalt M42 Steel
- 1/16" to 1/2" Fractional Sizes by 1/64ths
- A to Z Letter Size Drills
The Drill Hog Screw Extractor and Drill Bit Set is a 115 piece drill set with drill bits, spiral screw extractors, and multi-spline screw extractors that make it easier to remove broken bolts, stud, hex screws, and other fasteners. The accessories in this set are built to be tough and rugged with the best materials on the market.
The spiral screw extractors are constructed of high-quality chrome-molybdenum steel while the drill bits feature a high hardness alloy steel make. Each tool features a surface machined with precision and coated to be corrosion-resistant. The left-handed spiral design makes for a better grip and faster tapping when in use.
Along with the accessories is a sturdy case for easy organization and storage. Inside the case, you will find measurements for the tools and a simple guide to help you make the best of the tools.
This set can be used in many applications and each piece comes with a size mark to help with easy identifications. This will help you to select the right drill bit that will get the job done.
- High-quality industrial-grade material
- Multiple types and sizes
- Great for many applications
- A little pricey
4. Drill Hog Jobber Drill Bit Set
- Super Premium Solid Cobalt M42+ Steel
- 1/16" to 1/2" by 1/64th Increments (Does Not Skip...
- 135 Degree Split Point Prevents "Walking"
5. Drill America Heavy Duty High Speed Steel Drill Bit Set
- Manufactured from M2 premium grade high speed...
- For use in a wide range of materials in the iron...
- 135 degree split point tip for self-centering and...
6. Drill America Cobalt Screwdriver Bit Set for Drill
- Set of 29 jobber length drill bits includes inch...
- Cobalt steel provides extended tool life compared...
- Gold oxide finish lubricates the drill bit and...
7. Drill America Cobalt Reduced Shank Drill Bit Set
- Cobalt steel tools are similar to high-speed...
- Gold oxide is a thinner oxide surface treatment...
- Round shanks allow use with a wide variety of...
8. Drill Hog USA Mechanics Drill Bits Set
- Drill Hog 33 Pc Silver & Deming Drill Bit Set...
- Hi-Molybdenum M7 HSS Steel
- 33 Silver & Deming Bits From 1/2" to 1" by 1/64ths...
9. VCT Jobber Drill Bits Set : Black & Gold
If you haven’t got a specialized extractor around, you would need something that would get the job done, and get it done right. For most people a left-handed drill bit is the right way to extract a broken bolt, however, picking the right option is usually a hassle.
There are many brands out there and you won’t want to end up with something that won’t work for you or worse, make the situation more difficult to handle. For sturdy and heavy-duty drill bits that would remove even the most stubborn broken bolts, the VCT 29PC Drill Bit Set is one of the best options to go for.
Build Material and Quality
Featuring a High Speed Steel build, the VCT 29PC Drill Bit Set is durable and strong for even the toughest bolts. When it comes to drill bits for removing broken bolts, you’ve got a lot of options with the different build quality.
Cobalt and carbide are some of the most common materials used in building drill bits. While they are strong and would work well with tough materials like cast iron, stainless steel, and fiberglass, drill bits with an HSS build always make for one of the best options. They will work on not only abrasive materials and hard metals, but also for wood and drywall drilling.
- 1/16" to 1/2" in 1/64" increments
- 135 degree split point, Fully ground,...
- Black/gold colored finish
The VCT Drill Bit Set comes with 29 pieces of drills with 1/16 inches to 1/2 inches in 1/64 inches increments. The drill bits have a 135-degree split point and stubby length. They also feature a black and gold-colored finish to ensure they won’t rust even during continuous use. There is also the left-hand spiral design that allows for more powerful grips making them easier to use and more efficient.
The VCT 29PC Drill Bit Set comes with a metal case for easy storage. Right in the case are storage holes for each tool. On the side of each drill bit is its measurement/size. This will help you in deciding which tool is right for the broken bolt or screw.
- 135-degree split point for efficient drilling
- Metal case for easy organization
- Durable and high-quality build
10. Drill Hog Hand Drill Bit Set USA
Drill Hog is one of the leading cutting tools manufacturers in the US so it should come as no surprise that two of their products made it to this list. A broken bolt is a big problem that could be tedious to fix, however, an even bigger problem is when your drill bit breaks and gets stuck when trying to remove the bolt.
This is what happens when you don’t use professional-grade products or you go cheap on your purchase. With the Drill Hog 13 Pc Drill Bit Set, you won’t have to worry about quality, and also, you can stick to your budget. There are a few options in this drill set, but they are the most common sizes for most applications.
Build Material and Quality
The Drill Hog 13 Pc Drill Bit Set features a tough build as with other drill sets from the manufacturer;. But instead of a hi-molybdenum M7, cobalt M42, or a carbide construction, they are made of Niobium NB41 steel. Niobium is just as hard as titanium and it makes the drilling set even more durable and less likely to break when used even in the toughest applications,
The Drill Hog 13 Pc Drill Bit Set can be applied onto truck frames, farm implements, stainless steel, grade 8 bolts and still function effectively. Thanks to the left-hand threaded design, the drill bits would move in with ease allowing you to do things faster with less effort. Whether you’re trying to get rid of broken bolt, screw, or stud, the Drill Hog 13 Pc Drill Bit Set will handle them easily.
- 1/16 to 1/4 by 1/64ths (Does not skip any sizes)
- Niobium Nb41 Steel
- Left Hand Thread (Flutes are Counterclockwise)
There are only 13 pieces measuring 1/16 inches to 1/4 inches by 1/64 inches in this set which explains the lower price.
The drill set comes with a sturdy case for you to keep the tools. Engraved on each storage space is the size of the drill bit. This way you can know the right tool to use to extract the broken bolt.
- Niobium Nb41 steel build
- Useful in many applications
- Great design
- Not entirely durable
11. Neiko Twist Drill Bits Set : Titanium Nitride Coating
When it comes to handling tough high-grades bolts, you would need a tougher bolt extractor for the job. While there are a lot of options to try out, most would destroy your workpiece thereby making matters worse. If you decide to go for tenderer bolt extractors, the tool might end up breaking and complicating the situation.
What you need for those heavy-duty bolt extraction processes is a rugged and sturdy drill set with a high-quality make. The Neiko 10037A Drill Bit Set is one option that floors many others in the market. it is not only durable and tough, but italso comes with a reasonable price tag making it the best overall choice in its category
Build Material and Quality
Build quality is very important when it comes to bolt extractors and the Neiko 10037A Drill Bit Set doesn’t fail to impress in this area. It features an M2 High Speed Steel (HSS) build which means it tough and sturdy for even your stainless steel fasteners, carbon steel fasteners, and other abrasive materials. The bits also feature a titanium nitride coating that not only boosts their durability but also ensures that they won’t corrode or rust after years of use.
- 135 degree split point and twist design increases...
- Bits made of high speed M2 steel with a titanium...
- Special left hand design can also be used with...
The Neiko 10037A Drill Bit Set features 15 pieces of drill bits with 135-degree split point for efficient drilling. In addition to that, the drill bits come with a twist design that allows for particles to escape faster and not disturb you as you work. The twist design also boosts the cutting speed allowing you to do more work in a short amount of time. Thanks to the left-hand design, the bolt extractors would fit easily into reversible drills to remove bolts, screws, and other types of fasteners.
For trouble-free storage, there is a handy metal case with multiple sizes allowing for neat organization. Each storage space has an inscription on it that tells you which bolt extractor it would be perfect for. The entire set comes in 1/16, 3/32, 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 inch bits.
- Special left-hand design
- Can be easily attached to reversible drills
- Made of High Speed M2 steel
- No guarantee of durability
12. Segomo Tools Titanium Coated Twist/Spiral Drill Bit Set
While you may be more interested in a drill bit set for broken bolt extraction, there are many other functions where a drill bit would be needed. While buying a multipurpose drill bit set usually costs way more than that of just specialized bolt extractors, you get something entirely different with the Segomo Tools DB230 Twist/Spiral Drill Bit Set.
This drill costs twice as less as what you would get from 115-piece sets, but instead of fewer drill bits, it comes with twice as many options for you. The Segomo Tools DB230 Twist/Spiral Drill Bit Set is a 230-piece made to handle any task.
Build Material and Quality
The Segomo Tools DB230 Twist/Spiral Drill Bit Set features a High Speed Steel (HSS) build with titanium coating for extra durability and sturdiness. This build quality is amazing considering the price tag attached to it. This high-quality build means you can use the drill bits for years without noticing any signs of deforming.
The titanium coating makes the set corrosion-resistant and also, boosts its durability. These high-end build specs mean you won’t have to worry about the drill set breaking apart while working on tough bolts.
- Classic High Speed Steel (HSS) construction with a...
- The cutting edge is hardened and honed for...
- Sizes: 28 x 3/64", 27 x 5/64", 20 x 1/8", 10 x...
The drill bits come with a two-flute twist design that clears particles and chips while you work. Also, there is a precision 135-degree split point for increased cutting speed that allows you to drill even though the hardest and toughest bolts with ease. The cutting edge of the drill bits is hardened and honed. This chatter-free design makes the drill bit sharper for precise countersinking, extracting, and creating clean, smooth holes.
With 230 drill bits to choose from, this piece comes with every size you would ever need. It won’t just deal with your broken bolts, but it will also help with drilling into plastic, rubber, plywood, PVC, sheet metal, carbon steel, and fiberboard.
The Segomo Tools DB230 Twist/Spiral Drill Bit Set has so many drill bits that could make organizing and storing the set a problem. To solve this, the manufacturer includes a sturdy case with the sizing information for each bit. The case can easily accommodate all the pieces and comes in a compartment for neat organization.
- Features classic High Speed Steel (HSS) construction
- Chatter-free design for efficient drilling
- 230-piece drill set
- Not great for heavy-duty tasks