Remove the deadbolt from its packaging and take out the instruction sheet with the template for marking the holes on the door.
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Fold this template around the edge of the door at least 6 inches above.
Da01 sep 21 11 at 17 45 is this a typical residential steel door an industrial heavy steel door or an armored security door.
Make a mark using the center punch and hammer.
Insert the lockset tailpieces through the latch bolt and screw the handles together by tightening the retaining screws.
Many door locks however are diy friendly and come with installation instructions.
Make another mark 42 inches from the door s bottom and centered on the door s edge.
Install the deadbolt lock about 44 inches above the bottom of the door.
Avoid damage to the screws by using a hand screwdriver.
Install a new door lock and door knob by inserting the latch through the hole for the new parts.
The key to drilling through metal is to make sure you are using an actual metal drill bit.
Choose a position on the door for the lock.