8
How to use the Drill Sheet
Mark the center of the holes and then drill for accuracy.
Drilling (Door)
Make sure this is
aligned to the centre
of door edge
Door edge
Fold here
before drilling
holes for side
Chiselling
Depth:
4.5mm (11/64”)
or until bolt
assembly plate
is flush against
door
Put the bolt tongue in &
chisel around the edge
54mm (2-1/8”)
Hole Saw
25mm (1”)
Spade Bit
20mm
(25/32”)
Chisel
20mm
(25/32”)
Chisel
