You ll have to adjust the position a bit if you have a combination storm door so as not to interfere with the storm doorknob or lock.
How to install a bacl lock on a metal door.
Many door locks however are diy friendly and come with installation instructions.
Remove the deadbolt from its packaging and take out the instruction sheet with the template for marking the holes on the door.
Choose a position on the door for the lock.
Expect to pay 80 to 300 per lock depending on quality and up to 200 more for professional installation.
How to install a new door lock on a steel door.
How to replace a lock on a steel door.
The key to drilling through metal is to make sure you are using an actual metal drill bit.
Insert the lockset tailpieces through the latch bolt and screw the handles together by tightening the retaining screws.
Measure 42 inches up from the bottom of the door on the inside and a distance from the door s edge equal to your lock s backset.
Install a new door lock and door knob by inserting the latch through the hole for the new parts.
Fold this template around the edge of the door at least 6 inches above.
Avoid damage to the screws by using a hand screwdriver.
Make another mark 42 inches from the door s bottom and centered on the door s edge.