Igloohome Smart IoT Deadbolt Installer/User Manual page 8

How to use the Drill Sheet
Drilling (Door)
Fold here
before drilling
holes for side
10mm (0.39")
Drill Bit
54mm (2.12")
Hole Saw
Chiselling
Put the bolt tongue in &
chisel around the edge
8
54mm (2.12")
20mm
(0.78")
Chisel
Mark the center of the holes and then drill for accuracy.
Make sure this is
aligned to the centre
of door edge
25mm (0.98")
Spade Bit
Door edge
54mm (2.12")
25mm (0.98")
57mm
(2.25")
20mm ( 0.78")
Chisel
Deep