Struggling with stubborn locks that just won’t budge? You’re not alone. Many people find themselves frustrated when traditional drill bits fail to get the job done efficiently.
Whether you’re a professional locksmith or a DIY enthusiast, having the right tools can make all the difference in drilling out locks smoothly and safely.
If you need reliable drill bits for drilling out locks in 2026, go for the Hex Shank Cobalt Drill Bit Set with Holder for heat resistance and stability.
The 29-Piece M35 Cobalt Drill Bit Set offers versatile sizes and durability for tough metals. For broken screws, try the 5PCS M35 Left Hand Drill Bits, perfect for tight spaces.
Each provides excellent precision and longevity. Keep exploring to find which best fits your specific needs and applications.
| Image | Name | Editor's Rating | Price |
|---|---|---|---|
|
Sinyeenglon Hex Shank Cobalt Drill Bit S…
|
|
|
|
MACXCOIP Cobalt Drill Bit Set, 29Pcs M35…
|
|
|
|
VALYRIANTOOL 5PCS M35 Cobalt Left Hand D…
|
|
Hex Shank Cobalt Drill Bit Set with Holder
- Cobalt M35 Material: High cost, but hardness is up to 67,…
- Solid Bonding 1/4 Hex Shank: there are more advantages…
- Shank Not Easily Shaken Off: 5 times higher torque compared…
Tackling tough lock drilling jobs requires tools that won’t quit halfway through. The Hex Shank Cobalt Drill Bit Set with Holder is designed to power through hard metals with ease. Crafted from durable cobalt M35, these bits resist heat and maintain sharpness even under heavy use.
This drill bit set excels at cutting through materials like stainless steel and cast iron. Its solid 1/4-inch hex shank ensures each bit stays firmly in place, providing stable, wobble-free drilling. This means more accurate holes and less frustration.
Maintenance is simple—just keep the bits clean and sharpened as needed to prolong their impressive lifespan. Because they last up to 12 times longer than typical HSS titanium-coated bits, you’ll spend less time replacing worn tools.
Whether you’re a professional locksmith or a serious DIYer working on hard metals, this set offers reliable performance. It covers common sizes, so you can handle a variety of tasks without hunting for extra bits.
Best for: Professionals and DIY enthusiasts who need durable, high-performance drill bits for drilling through hard metals like stainless steel and cast iron.
What We Like:
- Heat-resistant cobalt M35 material for faster, longer-lasting drilling
- Secure 1/4-inch hex shank delivers higher torque and eliminates wobble
- Versatile size range reduces frequent replacements and downtime
- Designed specifically for tough metals like stainless steel and cast iron
Specification:
| Specification Title | Detailed Description |
|---|---|
| Material | Cobalt M35 steel |
| Hardness | Up to 67 HRC |
| Shank Type | Solid 1/4-inch hex |
| Compatibility | Compatible with most standard drill chucks |
| Drill Bit Sizes Included | Range of common sizes suitable for lock drilling |
| Heat Resistance | Superior heat resistance compared to HSS titanium bits |
| Intended Use | Drilling hard metals such as stainless steel and cast iron |
| Lifespan | Up to 12 times longer than standard HSS titanium-coated bits |
Cobalt Drill Bit Set, 29-Piece M35 Steel
- Various Sizes: 29 sets of drill bits include 1/16″, 5/64″,…
- M35 Cobalt Drill Bit: The M35 cobalt drill bit is a durable,…
- Quick and Efficient: The cobalt drill bit set can be used…
Experience precision and durability with the Cobalt Drill Bit Set, 29-Piece M35 Steel, designed to tackle the toughest metals with ease. This set empowers locksmiths and metalworkers to drill hardened materials like stainless steel and cast iron without frequent bit replacement.
Each drill bit features a 135-degree point tip and a twist design that ensures faster cutting and self-centering, reducing the risk of slipping. The variety of sizes from 1/16″ to 1/2″ offers flexibility for a wide range of drilling tasks, making this set a versatile addition to any toolkit.
Crafted from M35 high-speed cobalt steel, these bits maintain their sharpness longer even under heavy use. Their robust construction allows them to perform well on both soft and hard materials, minimizing downtime and improving efficiency.
Maintenance is straightforward; the bits resist wear and require minimal sharpening. The included metal index storage box keeps your drill bits organized and protected, though it adds some weight compared to plastic cases.
Best for: Locksmiths, metalworkers, and DIY enthusiasts needing durable, precise drill bits for hardened metals and diverse materials.
What We Like:
- Long-lasting sharpness from M35 cobalt high-speed steel.
- Wide size range covering from 1/16″ to 1/2″ for versatile use.
- 135-degree point tip and twist design for accurate, slip-resistant drilling.
- Durable metal storage box for organized, secure bit storage.
Specification:
| Specification Title | Detailed Description |
|---|---|
| Material | M35 High-Speed Cobalt Steel |
| Number of Pieces | 29 |
| Size Range | 1/16″ to 1/2″ |
| Tip Angle | 135 degrees |
| Design | Twist drill bit with self-centering tip |
| Storage Case | Metal index box |
| Suitable Materials | Hardened metals (stainless steel, cast iron), soft metals |
| Weight | Heavier than typical plastic cases |
5PCS M35 Cobalt Left Hand Drill Bits Set
- High Quality: M35 Cobalt steel precision ground drill bits…
- Efficient Design: Stubby drill bits measure from 2-1/4″ to…
- Multi-Purpose Use: Suitable for drilling stainless steel and…
The 5PCS M35 Cobalt Left Hand Drill Bits Set is designed to tackle the challenges of removing broken bolts and screws with ease. Its left-hand twist design allows users to extract fasteners by drilling in reverse, reducing the risk of further damage. This makes it especially useful in tight or hard-to-reach spaces where standard tools fall short.
Crafted from durable M35 cobalt steel, these drill bits offer excellent resistance to heat and wear. This material ensures consistent performance even during demanding tasks involving hardened metals like stainless steel. The 135-degree split point enhances precision by centering the bit automatically, minimizing slippage and improving accuracy.
The set’s stubby length design is ideal for confined areas, allowing for better control and maneuverability without sacrificing drilling power. Maintenance is straightforward; regular cleaning after use prevents buildup, keeping the bits sharp and ready for the next job. The included plastic case helps organize the bits but is best suited for stationary storage rather than frequent transport.
Overall, this set provides a practical solution for professionals and DIY enthusiasts facing stubborn fastener removal in tight spots. Its specialized features focus on functionality and durability to improve workflow and reduce frustration.
Best for: Professionals and DIY enthusiasts needing to remove broken bolts and screws or drill in tight spaces on hardened metals.
What We Like:
- Durable M35 cobalt steel resists wear and heat for long life.
- 135-degree split point ensures precise, self-centering drilling.
- Stubby length fits into tight or confined areas with ease.
- Left-hand twist design aids in extracting broken fasteners.
- Compact plastic case keeps bits organized and accessible.
Specification:
| Specification Title | Detailed Description |
|---|---|
| Material | M35 cobalt steel |
| Drill Bit Type | Left-hand twist |
| Point Angle | 135 degrees (split point) |
| Number of Pieces | 5 |
| Size Range | 1/8″ to 19/64″ |
| Flute Design | Spiral 2-flute |
| Length | Stubby/short length for tight spaces |
| Case Type | Plastic, for organization |
Factors to Consider When Choosing Drill Bits for Drilling Out Locks
When you’re picking out drill bits for drilling out locks, it’s important to think about the material hardness. This ensures the bits are durable and can handle tough jobs without wearing out quickly. You’ll also want to make sure you have the right sizes and shank designs so they fit your tools perfectly and suit the task at hand.
Another thing to keep in mind is heat resistance. Drilling can create a lot of heat, so bits that can handle the temperature without losing their edge will work better and last longer. Plus, the cutting angle matters too—it affects how smoothly and efficiently the bit cuts through the lock, helping you avoid any unnecessary damage.
Material Hardness Importance
Although drilling out locks involves tough materials like hardened steel, you’ll want drill bits with high hardness to avoid wear and breakage. Choosing bits made from cobalt alloys, such as M35 steel, can provide hardness levels up to 67 HRC, making them durable and heat-resistant.
Higher hardness lets you drill faster and with better precision, reducing friction and heat buildup that can damage the bit. This means fewer replacements and better cost-efficiency over time.
Also, the cutting edge geometry combined with hardness helps the bit self-center and prevents walking, which is essential for accuracy in tight or delicate lock drilling. By prioritizing material hardness, you guarantee your drill bits perform reliably and last longer when tackling hardened steel locks.
Bit Size Variety
Having a wide range of drill bit sizes on hand lets you adapt easily to different lock types and sizes. When drilling out locks, having bits from 1/16 inch up to 1/2 inch guarantees you can start small for precision and gradually increase size as needed. This flexibility helps you create small pilot holes before moving to larger openings, making it easier to access and remove lock components effectively.
Using the right bit size also minimizes the risk of damaging the lock or surrounding materials. So, choosing a set with a thorough size variety is essential. It gives you control and precision, improving your chances of successfully drilling through various lock mechanisms without unnecessary damage or frustration.
Shank Design Benefits
Choosing the right drill bit size is important, but the shank design plays an equally essential role in drilling out locks effectively. A solid bonding hex shank prevents the bit from breaking loose during operation, ensuring consistent performance and accuracy.
Modern hex shanks offer improved torque capabilities, up to five times higher than older designs. So, you’ll experience less slippage and better control. A well-designed shank eliminates radial runout, enhancing concentricity and delivering more precise drilling, especially in tough lock materials.
You’ll also benefit from shanks that resist shaking off, which improves impact-rated accuracy for high-torque tasks like lock drilling. Plus, choosing a shank compatible with your drill optimizes power transfer and efficiency. This speeds up your work while reducing tool wear.
Heat Resistance Features
When you’re drilling out locks, heat resistance plays a critical role in maintaining your drill bit’s performance and lifespan. High temperatures can quickly dull or damage bits, especially when working with tough metals. Choosing cobalt drill bits made from M35 steel is smart because they handle heat up to 67 HRC without losing cutting power.
These bits last up to 12 times longer than standard high-speed steel ones, which means you save on frequent replacements. Also, look for bits with a solid bonding hex shank design to minimize radial runout. This reduces heat buildup and keeps drilling accurate.
We won’t dive into cutting angles here, but just know that the right design helps manage friction and heat. That way, your drill bit performs efficiently throughout the job.
Cutting Angle Efficiency
Although drill bit material and heat resistance are essential, the cutting angle plays an important role in how effectively you can drill out locks. A 135-degree cutting angle is ideal because it offers self-centering properties, preventing the bit from walking off the lock surface.
This angle, often paired with a split point design, lets you penetrate hard materials like stainless steel and hardened metals with less effort. Plus, the spiral flute design helps remove chips efficiently, keeping the bit cool and sharp during extended use.
Durability Vs Cost
Since durability directly impacts performance and cost-effectiveness, you’ll want to prioritize high-quality drill bits made from materials like M35 cobalt steel. These bits last up to 12 times longer than standard HSS titanium-coated ones, saving you frequent replacements. Though they cost more upfront, their longevity and heat resistance make them ideal for drilling tough metals like stainless steel in locks.
Furthermore, bits with strong shank designs prevent breakage and improve torque, enhancing efficiency and accuracy. While cheaper options may seem tempting, they dull quickly and break easily, increasing your overall expenses and project time.
Balancing durability with cost means investing in quality drill bits that pay off through better performance and fewer replacements in the long run. It’s really about finding that sweet spot where you get the most value without constantly having to buy new tools.
Frequently Asked Questions
Can I Use a Regular Drill Bit for Drilling Out Locks?
You can use a regular drill bit to drill out locks, but it’s not the best choice. Regular bits might dull quickly or struggle with hardened steel inside locks.
You’ll have better results with specialized bits like cobalt or titanium-coated ones designed for tough metals. They stay sharp longer and make the job easier.
How Do I Safely Dispose of Damaged Drill Bits?
You should dispose of damaged drill bits by first cleaning off any debris or oil. Wrap them in an old cloth or place them in a sturdy container to prevent injury.
Then, take them to a local recycling center that accepts metal tools, since drill bits are usually made of steel. Avoid tossing them in the regular trash—it’s better for sanitation workers and the environment.
Always handle them carefully to avoid cuts. It’s a simple step that keeps everyone safe!
Are There Specific Drill Bits for Different Lock Types?
Every lock is a different beast, so yes, you’ll find specific drill bits designed for various lock types. For example, carbide-tipped bits work great on hardened steel locks, while high-speed steel bits suit softer metals. Using the right bit is like having the right key.
It saves time and prevents damage. Always match your drill bit to the lock’s material to drill efficiently and safely without unnecessary wear or breakage. That way, you get the job done right without any extra hassle.
Can Cordless Drills Handle Drilling Out Locks Effectively?
Yes, cordless drills can handle drilling out locks effectively, especially if you use high-quality, sharp drill bits designed for metal. You’ll want a drill with enough torque and battery life to maintain consistent power during the job.
Just make sure to go slow and steady to avoid overheating the bit or damaging the lock beyond repair. With the right technique and tools, your cordless drill will get the job done efficiently.
What Safety Gear Should I Wear When Drilling Locks?
Think of safety gear as your armor before battle. You should wear safety goggles to shield your eyes from flying metal shards, gloves to protect your hands from sharp edges and heat, and a dust mask to guard your lungs against tiny particles.
Don’t forget ear protection. Drilling can roar like thunder. Dressing right keeps you strong and unharmed, letting you focus on the task without risking injury.
Conclusion
So, there you have it, the top drill bits to help you gently persuade any stubborn lock to give up its secrets. Who knew that drilling out a lock could be this satisfying and a little bit rebellious?
Just remember, while these cobalt wonders make the job easier, maybe try to keep them away from your neighbor’s front door. After all, nothing says friendly like a perfectly drilled lock!
When it comes to drilling out locks, using the best drill bits for drilling out locks can make all the difference. They get the job done quickly and efficiently, saving you time and frustration.
