Drilling a lock without a key can be a daunting task, but with the right tools and a bit of patience, it is a doable task. This guide will provide you with a step-by-step method for drilling out a lock, ensuring a successful outcome.
Before starting, it’s important to acknowledge that drilling a lock without the key is not a preferred or recommended method, as it can damage the lock or the surrounding area. If possible, always seek professional help or consult the lock manufacturer for a more appropriate solution.
However, if you find yourself in a situation where drilling out the lock is the only option, follow the steps below carefully. Gather the necessary tools, including a drill, drill bit (size of the lock cylinder), safety glasses, and a center punch. Before drilling, always ensure the area is well-lit and the drill is properly secured to prevent any accidents. Remember, safety should always be a top priority.
Gather Necessary Tools
Drilling out a lock is a last-resort measure to gain entry when other methods fail. To ensure a successful operation, it’s crucial to assemble the right tools and materials. Here’s a comprehensive list of what you’ll need:
Drill and Bits
The type of drill depends on the lock you’re targeting. For most residential locks, a standard electric drill will suffice. However, for heavy-duty commercial locks, a more powerful impact drill or rotary hammer drill may be necessary. Regarding drill bits, select high-speed steel (HSS) bits specifically designed for drilling into metal. Choose a bit size slightly smaller than the diameter of the lock’s keyhole. This will allow you to drill out the lock cylinder without damaging the surrounding hardware.
Table of Drill Bit Sizes
| Lock Type | Drill Bit Size |
|---|---|
| Residential deadbolts | 1/4 inch |
| Commercial deadbolts | 5/16 inch |
| Padlocks | 1/8 inch |
Remove Existing Lock Components
There are several techniques for removing existing lock components to facilitate drilling. Choosing the appropriate method depends on the type of lock and the available tools.
Below are some common methods:
-
Remove the Screws
If the lock is secured by screws, use a screwdriver to remove them. Be cautious not to strip the screw heads or damage the door.
-
Depress the Locking Pin
Some locks have a locking pin that can be depressed to release the cylinder. Locate the pin, usually at the bottom or top of the lock, and use a small punch or thin screwdriver to push it in.
-
Break the Cylinder
If the lock cannot be removed using the previous methods, you can break the cylinder. Insert a sturdy screwdriver or pry bar into the keyhole and apply force to snap the cylinder in half.
After removing the lock components, you should remove any debris or obstructions from the lock area to create a clear path for drilling.
Choose the Correct Drill Bit
Drilling out a lock requires a specialized drill bit designed to penetrate the hardened steel of the lock cylinder. Choosing the correct bit is crucial for a successful drilling operation.
Cobalt Drill Bits
Cobalt drill bits are the recommended choice for drilling locks. Cobalt is a hard metal alloy that provides exceptional strength and durability, allowing it to withstand the high temperatures and friction generated during the drilling process.
Cobalt bits come in various sizes and lengths. For drilling locks, a bit with a diameter of 1/16 inch or 5/64 inch is typically suitable. The length of the bit should be sufficient to reach the deepest portion of the lock cylinder.
To ensure a precise and efficient drilling operation, it’s important to use a sharp cobalt drill bit. Dull bits can easily break or slip, making the drilling process more difficult and potentially damaging to the drill.
Here’s a table summarizing the key characteristics of cobalt drill bits for drilling locks:
| Characteristic | Description |
|---|---|
| Material | Cobalt alloy |
| Size | Recommended: 1/16″ or 5/64″ diameter |
| Length | Sufficient to reach deepest part of lock cylinder |
| Sharpness | Essential for precise and efficient drilling |
Secure the Lock in a Vise
To drill out the lock, you’ll need to secure it in a vise. This will help to keep the lock steady and prevent it from moving while you’re drilling. Here are the steps on how to do it:
1. Choose a suitable vise for the lock. The vise should be large enough to accommodate the lock and should have a strong grip.
2. Place the lock in the vise. Make sure that the lock is positioned in the center of the vise and that the jaws of the vise are evenly gripping the lock.
3. Tighten the vise. The lock should be securely held in place, but not so tightly that it is crushed.
4. Check the lock’s position. Make sure that the lock is still positioned correctly and that it is not moving within the vise. If the lock is moving, tighten the vise further until it is secure.
| Step | Description |
|---|---|
| 1 | Choose a suitable vise for the lock. The vise should be large enough to accommodate the lock and should have a strong grip. |
| 2 | Place the lock in the vise. Make sure that the lock is positioned in the center of the vise and that the jaws of the vise are evenly gripping the lock. |
| 3 | Tighten the vise. The lock should be securely held in place, but not so tightly that it is crushed. |
| 4 | Check the lock’s position. Make sure that the lock is still positioned correctly and that it is not moving within the vise. If the lock is moving, tighten the vise further until it is secure. |
Lubricate the Drill Bit
To ensure a smooth and efficient drilling process, it is crucial to lubricate the drill bit with a suitable lubricant. This will reduce friction and extend the life of the bit. Here are the recommended steps for lubricating the drill bit:
STEP 1: Choose the Right Lubricant
Select a lubricant that is specifically designed for drilling operations. Common options include cutting oil, tapping fluid, or lithium grease. Avoid using lubricants that are too thick or sticky, as they can hinder the drilling process.
STEP 2: Apply the Lubricant
Apply a small amount of lubricant to the flutes of the drill bit. Use a brush or cotton swab to ensure even distribution. Do not over-lubricate, as this can cause the bit to slip.
STEP 3: Rotate the Drill Bit
After applying the lubricant, rotate the drill bit by hand to distribute it evenly over the entire surface. This will help reduce friction and heat buildup during drilling.
STEP 4: Check the Lubrication
Periodically check the lubrication level during the drilling process. If the lubricant is being depleted, apply a small amount more to ensure optimal performance.
STEP 5: Use a Lubricant Dispenser
Consider using a lubricant dispenser to automate the lubrication process. These dispensers can be attached to the drill and will automatically apply lubricant to the bit as needed. This ensures consistent lubrication and reduces the risk of dry drilling.
| Equipment | Purpose | Lubricant |
|---|---|---|
| Manual Drill | Drilling holes in various materials | Cutting oil, tapping fluid |
| Power Drill | Heavy-duty drilling | Cutting oil, lithium grease |
| Lubricant Dispenser | Automatic lubrication of drill bit | Cutting oil, tapping fluid |
Drill Slowly and Carefully
Drilling out a lock requires patience and precision. Avoid using excessive force or rushing the process, as this can damage the lock or surrounding area.
Choose the right drill bit for the task. A standard carbide-tipped drill bit is usually sufficient, but for tougher locks, you may need a cobalt or diamond-tipped bit.
Secure the lock in a vise or clamp it firmly to a stable surface. This will prevent the lock from moving or spinning while you drill.
Wear safety glasses and gloves to protect yourself from metal shavings and debris.
Start by drilling a small pilot hole in the center of the lock. This will guide the larger drill bit and help prevent the bit from slipping.
Once the pilot hole is drilled, switch to a larger bit and continue drilling until you reach the lock’s cylinder. Drill perpendicular to the surface of the lock to avoid creating burrs or damaging the cylinder.
When drilling out the cylinder, take extra care to drill slowly and carefully. Avoid applying too much pressure, as this can cause the cylinder to bind or seize.
Once the cylinder has been drilled through, the lock should be open.
| Tool | Description |
|---|---|
| Carbide-tipped drill bit | Standard drill bit for most locks |
| Cobalt or diamond-tipped drill bit | For tougher locks |
| Vise or clamp | Secures the lock during drilling |
| Safety glasses and gloves | Protects against metal shavings and debris |
Extract the Lock Cylinder
7. Drill the Lock Cylinder
Now, let’s tackle the delicate part: drilling into the lock cylinder. Here’s a detailed step-by-step guide to ensure precision and avoid damage:
**7.1. Assemble the Drill:** Insert a 1/16-inch drill bit into the drill and tighten it securely.
**7.2. Insert the Drill:** Carefully align the drill bit with the center of the lock cylinder, where the keyhole is located. Ensure the drill is perpendicular to the cylinder.
**7.3. Adjust the Drill Speed:** Set the drill speed to a low to medium setting. This helps avoid overheating and damaging the cylinder.
**7.4. Start Drilling:** Depress the trigger and start drilling gently. Apply light pressure and let the drill do the work.
**7.5. Drill Slowly and Steadily:** Continue drilling slowly and steadily until you reach the back of the lock cylinder. Avoid drilling too deeply.
**7.6. Check Progress:** Periodically stop drilling and insert the original key or tension wrench into the lock cylinder. If it turns smoothly, you’ve successfully drilled through the cylinder.
**7.7. Remove the Cylinder:** Once the cylinder is drilled through, gently pull it out of the lock body using pliers or a screwdriver. Be careful not to damage the surrounding components.
**7.8. Remove the Plug:** If there’s a small plug or pin inside the cylinder, remove it with a small screwdriver or pick.
| Tools Required for Step 7 | ||
|---|---|---|
| 1/16-inch drill bit | Drill | Pliers or screwdriver |
Clean and Prepare the Lock for Replacement
Before you begin drilling, it’s crucial to clean and prepare the lock to ensure a smooth replacement process.
Materials Needed:
- Soft cloth
- Rubbing alcohol
- Pencil
Steps:
- Remove the Lock Handle: Unscrew the screws holding the lock handle in place and remove it.
- Clean the Lock Face: Use a soft cloth dampened with rubbing alcohol to wipe away any dirt, grime, or debris from the lock’s front surface.
- Identify the Key Hole: Locate the keyhole and gently insert a pencil into it. This will help you center the drill bit later on.
- Mark the Drill Point: Use the pencil to mark the center of the keyhole on the lock face.
- Protect the Surrounding Area: Cover the surrounding area with a cloth or masking tape to prevent damage from drill fragments.
- Protect Your Eyes: Wear safety glasses during the drilling process.
- Center the Drill Bit: Place the tip of the drill bit on the marked point and ensure it is perpendicular to the lock face.
- Drilling Depth Guide: To determine the appropriate drilling depth, measure the thickness of the new lock cylinder (the part that houses the key pins) and add 1/8 of an inch for clearance. This information can also be found in the manufacturer’s instructions for the replacement lock.
Install the New Lock Cylinder
With the old lock cylinder removed, it’s time to install the new one. Carefully insert the new cylinder into the lock body, ensuring it fits snugly and aligns properly. Use the provided screws or fasteners to secure the cylinder in place, ensuring it’s firmly attached and cannot be easily removed.
Detailed Steps:
| Step | Instructions |
|---|---|
| 1 | Insert the new cylinder into the lock body. |
| 2 | Align the cylinder correctly. |
| 3 | Secure the cylinder using screws or fasteners. |
| 4 | Ensure the cylinder is firmly attached. |
Reassemble the Lock and Test
1. Once the lock cylinder is drilled out, you can reassemble the lock.
2. Start by inserting the new cylinder into the lock body.
3. Next, secure the cylinder with the set screw.
4. Now, insert the key into the cylinder and turn it to make sure the lock is working properly.
5. If the lock is working properly, you can now reassemble the rest of the door lock.
6. Start by attaching the strike plate to the door frame.
7. Next, attach the door handle to the door.
8. Finally, test the lock to make sure it is working properly.
9. If the lock is not working properly, you may have to adjust the strike plate or the door handle.
10. **Troubleshooting Tips**
Here are some troubleshooting tips if you are having problems drilling out a lock:
| Problem | Solution |
|---|---|
| The drill bit is not cutting the lock | Try using a new or sharper drill bit. Make sure the drill bit is the correct size for the lock. |
| The lock is spinning when I drill | Use a clamp or vise to hold the lock in place. |
| I drilled out the lock, but it’s still not opening | The problem may be with the strike plate or the door handle. Try adjusting the strike plate or the door handle and test the lock again. |
How to Drill Out a Lock
Drilling out a lock is a last resort when other methods, such as picking or bumping, have failed. It is a destructive method that will damage the lock beyond repair. However, it can be a quick and effective way to gain entry to a locked space.
Here is a step-by-step guide on how to drill out a lock:
- Gather your tools. You will need a drill, a drill bit that is slightly smaller than the diameter of the lock cylinder, a hammer, a chisel, and a screwdriver.
- Remove the lock cylinder. If the lock is not already unlocked, you will need to remove the lock cylinder. This can be done by inserting the screwdriver into the keyhole and turning it until the cylinder pops out.
- Center the drill bit. Place the drill bit in the center of the lock cylinder and start drilling. Drill slowly and carefully, applying even pressure.
- Stop drilling when you feel the drill bit hit the pin. Once you feel the drill bit hit the pin, stop drilling and remove the drill bit.
- Insert the chisel. Insert the chisel into the hole that you drilled and tap it gently with the hammer. This will break the pin and allow you to remove the lock cylinder.
- Remove the lock. Once the lock cylinder is removed, you will be able to remove the lock from the door.
People Also Ask
How do you know if a lock is pinned?
A pinned lock is a lock that uses pins to hold the cylinder in place. To determine if a lock is pinned, insert the key and turn it slightly. If the key sticks or feels like it is catching on something, then the lock is likely pinned.
Can you drill out a deadbolt lock?
Yes, you can drill out a deadbolt lock. However, it is more difficult than drilling out a standard lock. This is because deadbolt locks have a thicker cylinder and a hardened steel core.
How much does it cost to drill out a lock?
The cost to drill out a lock varies depending on the type of lock and the locksmith you hire. However, you can expect to pay between $50 and $200 for this service.
