How to install a surface mount deadbolt lock

Written by elizabeth knoll
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How to install a surface mount deadbolt lock
Surface mounted deadbolt locks provide extra safety for your home. (Jupiterimages/ Images)

Feeling safe in your own home is a must for every homeowner. Installing a deadbolt on your door is one way to increase your home's safety. There are two types of deadbolt locks: surface mounted and internal mounted. The surface mounted style is the more easily installed of the two. One of the surface mounted deadbolt's benefits is its ability to be mounted anywhere along your door's edge.

Skill level:

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Things you need

  • Level
  • Awl
  • Drill
  • Drill bit
  • Hole attachment
  • Wood chisel

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  1. 1

    Place the template provided with the surface mounted deadbolt against your door's surface. The template goes next to the door's edge on the inside. Keep the template far enough away from the doorknob so it does not interfere. Hold a level over the template to ensure it is straight. Your deadbolt will be crooked if the template is crooked. Tape the template in place.

  2. 2

    Push an awl through the template's screw hole markings and into the door. Do the same for the template's cylinder hole marking. Remove the template from the door.

  3. 3

    Drill pilot holes through the screw hole markings. The pilot holes' size depends on the brand of surface mounted deadbolt, so follow the manufacturer's directions. Remove the drill bit and fit a hole attachment on it. The hole attachment needs to be the same width as the cylinder hole marking.

  4. 4

    Open the door and drill through the cylinder hole marking until the hole attachment's tip is pointing out of the door's other side. Remove the attachment from the hole and place the tip into the hole on the other side. Finish drilling the hole all the way through the door.

  5. 5

    Place the supplied cylinder ring around the deadbolt cylinder, if it is a separate piece. From the door's outer side, push the deadbolt cylinder into the cylinder hole so the keyhole is facing you.

  6. 6

    Return to the inside and place the deadbolt's back piece over the cylinder. Line up the screw holes in the back piece with the pilot holes in the door. Secure the back piece in place with the screws provided. Place the deadbolt in the "open" position.

  7. 7

    Cover the back plate with the bolt case. Secure it in place with the provided screws. Place the connecting bar against the deadbolt. Gently push the door closed until the connecting bar touches the jamb. Mortise the jamb if the door's latch does not catch.

  8. 8

    Trace around the connecting bar with a pencil. Use a wood chisel to mortise the outlined area so the door fully closes while the deadbolt is locked. Secure the connecting bar to the jamb with the supplied screws.

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