Measure to confirm
that the hole in the
door edge is 1"
(25mm).
Measure to confirm
that the backset is
either 2-3/8" or
2-3/4" (60 or 70mm)
Make sure the hole in
door frame is drilled a
minimum of 1"
(25mm) deep.
Measure to confirm
that the door is 1-3/8"
to 2" (35 mm or
50mm) thick.
A
Measure to
confirm that the
hole in the door is
2-1/8" (54mm).
B
C
D
Prepare the door and check dimensions
1
STEP
3
2-3/8" or 2-3/4"
(60 or 70mm)
1"
25mm
1-3/8" to 2"
(35mm or 50mm)
