How to Install Locks in Metal Doors

Metal doors are often used in industrial, commercial and business settings. Typically they are present within organizations requiring additional security for products or documentation. For these reasons it is necessary to properly install locks into these metal doors to protect these items. 

• One lock with hardware and templates


• Drill


• Hole saw


• Screwdriver


• Pencil


• Box cutter

1. Determine which type of lock best fits its purpose. Evaluate several lock models based on durability, security and cost.


2. Purchase the lock from the local hardware store, department store or online vendor of your choice. If the lock is utilized for business purposes, save the receipt, as this is a business expense and is tax deductible. 


3. Open the packaging using a box cutter and lay out the lock and hardware on your worktable.


4. Press the provided templates onto the door in the desired lock location. Use these templates as a guide and begin drilling the pilot holes with the hole saw. Repeat this step for the strike plate.


5. Line up the latch plate with the pilot holes. Draw marking on the door where the latch plate connects to the door. Use these markings as a guide and begin drilling using the drill. 


6. Install the door lock. Insert one end of the lock into each side of the pilot hole. 


7. Align the lock ends and click them together. 


8. Secure the lock with the provided screws with the screwdriver. 


9. Secure the latch plate in place with the provided screws using the screwdriver.