Drilling out locks can be a necessary task in a variety of situations, such as when a lock is damaged or when a key is lost or not available. However, it is important to choose the right drill bits for this task, as the wrong type of bit can result in poor performance and potentially even damage to the drill or the lock itself.

Best drill bits for drilling out locks

In this article, we will discuss the various factors to consider when selecting the best drill bits for drilling out locks, including the materials used, the flute design, and the size and type of lock being drilled. By understanding these considerations, you can make an informed decision and choose the best drill bits for your specific needs and goals.

High-quality cobalt or carbide bits are generally recommended for this task, as they are capable of standing up to the heat and wear that can be generated when drilling through hard materials like metal.

It may also be helpful to choose a bit with a flute design that allows for easy chip removal and a strong, durable shank to withstand the high torque and pressure of drilling.

Considerations such as the size and type of lock, as well as the type of drill being used, can also impact the choice of the drill bit. By taking the time to select the appropriate drill bit, you can help ensure that your drilling project goes smoothly and effectively.

It is important to choose a high-quality drill bit that is specifically designed for this purpose, such as cobalt or carbide bits, as these materials are known for their strength and ability to withstand heat and wear.

In addition to the material, the flute design of the drill bit is also important, as it can impact the chip removal process and the overall efficiency of the drilling.

IRWIN Cobalt Alloy Steel Screw Extractor and Drill Bits For Drilling Out Locks


Drill Bits For Drilling Out Locks
Drill Bits For Drilling Out Locks

Drill Bits for Drilling Out Locks

The IRWIN Drill Bit Set is made of M-42 5% Cobalt Alloy Steel for superior resistance in tough metals. The 135 split point reduces feed pressure for easy penetration without work hardening, while its heavy-duty spiral flute design produces faster chip ejection. Shorter cutting lips reduce torque for drilling in high-tensile-strength materials, making this set perfect for a variety of applications.


  1. Size: 21pc Metal Index
  2. Color: ‎Multi
  3. Material : Cobalt
  4. Finish : Cobalt Alloy Steel
  5. Item Package Quantity: ‎21
  6. Cutting Diameter: ‎4.2 Inches
  7. Included Components: ‎DRILL BIT 21PC SET CBLT
  8. Batteries Included? : ‎No
  9. Batteries Required? : ‎No
  10. Assembled Diameter: ‎4.2 Inches

User’s perspective:

This set of tools is designed to remove broken studs, fasteners, attachment screws, and fittings. It includes a forceful left-hand twisting plan for extra holding power and extractors of various sizes along with suggested bore sizes. It also includes a metal record case.

Significant Performance:

  • The set includes a variety of extractor sizes, allowing you to choose the appropriate size for the screw you are working with.
  • The extractors are made of high-quality cobalt material, which is known for its strength and durability.
  • The reverse spiral flutes of the extractors are designed to bite into the walls of the screw, making it easier to remove stripped or damaged screws.
  • The set comes in a convenient storage case, making it easy to keep the extractors organized and accessible.

Some potential cons of the IRWIN 10-Piece Screw Extractor and Drill Bits could include:

  • The set may be more expensive than other screw extractor options.
  • The extractors may not be suitable for very small or very large screws, as the size range is limited to fractional sizes.
  • The extractors may not be effective on screws that are severely damaged or corroded.
  • The cobalt material may be more prone to breaking or chipping than other materials, particularly if the extractors are subjected to high levels of stress or abuse.

A tubular lock will require a slightly larger bit, while a wafer or disc tumbler lock will require an even larger one. Second, the material the lock is made out of will also affect what type of bit you’ll need. If it’s a brass or steel lock, any standard drill bit will do.

But if the lock is made out of harder materials like aluminum or stainless steel, you’ll need carbide-tipped bits that are designed specifically for those materials. Finally, consider the size of the hole you’ll need to drill. If it’s just a small pilot hole for another tool (like a saw or file), then any small drill bit will do.

But if you’re drilling all the way through the lock body itself, then you’ll need something much larger – at least 1/2″ diameter.


How to Drill Out a Commercial Lock

If you need to drill out a commercial lock, there are a few things you need to know. First, you’ll need a good quality drill with a carbide or diamond tip. Second, you’ll need to be very careful not to damage the surrounding area.

Third, you’ll need to go slowly and be very methodical. Here’s a step-by-step guide on how to do it: 1) Insert the drill bit into the keyhole and begin drilling.

Go slowly at first and then increase speed as needed. 2) Apply pressure evenly as you drill. If the drill bit gets stuck, back it out and try again.

3) Once the drill bit has gone through the entire length of the keyhole, remove it and clean out any debris that may have accumulated inside. 4) Inspect the area around the lock for damage. If there is any damage, it will need to be repaired before proceeding.

5) Insert a new drill bit into the chuck of your drill and tighten it securely. This time, start drilling from the other side of the keyhole. Again, go slowly at first and then increase speed as needed.

Be sure to apply pressure evenly so that you don’t create an uneven hole.

Best Drill Bits for Drilling Out Locks

Credit: www.alamy.com

What is the Best Drill Bit to Drill Out a Lock?

Assuming you are looking for a drill bit to use on a door lock, the best drill bit would be a carbide-tipped masonry bit. This type of bit is specifically designed for drilling through hard materials like concrete and brick, so it can easily handle a door lock. When using this type of bit, be sure to start with a smaller diameter and work your way up to the size you need.

What is the Best Way to Drill Out a Lock Core?

When you need to drill out a lock core, the best way to do it is with a carbide tip drill bit. This type of drill bit is designed specifically for drilling through metal, and it will make quick work of the lock core. Just be sure to wear eye protection and use gloves when handling the drill bit, as it can be very sharp.

Can I Drill Through Lock?

Yes, you can drill through a lock, but it is not always the best option. Depending on the type of lock, drilling through it may damage the door or frame, rendering the lock useless. If you are going to drill through a lock, be sure to use a small bit (1/8 inch or smaller) and go slowly.

You may also want to try other methods of opening the lock before drilling, such as picking or using a bump key.

How Do You Drill a Lock Hole?

To drill a lock hole, you will need to use a power drill and a metal drill bit. First, mark the center of the hole on the door with a pencil. Next, put the tip of the drill bit into the center of the pencil mark and start drilling.

Apply steady pressure to the drill as you work your way through the metal. Once you have drilled through the metal, remove any debris from the hole with a vacuum cleaner.


If you’re looking for the best drill bits to use for drilling out locks, you’ve come to the right place. In this blog post, we’ll go over some of the best options available, as well as what to look for when choosing a drill bit. First, let’s start with the basics: what is a lock?

A lock is simply a mechanism that prevents unauthorized access. Locks can be found on doors, safes, cabinets, and more. They work by using a key (or combination) to move internal parts and allow or prevent entry.

Now that we know what a lock is, let’s talk about drill bits. Drill bits are designed to cut through materials like wood, metal, or plastic. When it comes to locks, you’ll want to choose a bit that can handle steel.

The two most common types of drill bits for this application are high-speed steel (HSS) and cobalt steel . HSS bits are less expensive but can wear down quickly when used on hardened steel. Cobalt steel bits are pricier but stay sharp longer and can better handle tougher metals.

If you’re not sure which type of bit to get , your best bet is probably HSS . It’s a good all-purpose option that will work well on most locks . Once you’ve chosen the right type of drill bit , it’s time to start drilling!

When drilling out a lock , always start small . Use slow , steady strokes and gradually increase speed as needed . Drilling too quickly can cause the bit to overheat and break .

Also , be sure to keep the drill perpendicular to the surface at all times ; otherwise , you risk damaging the surrounding area . Lastly , have patience ! Drilling out locks takes time and practice so don’t get discouraged if it doesn’t work perfectly the first time around .


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