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
Please ensure this
chiseled surface
is flattened with a
depth of 2.7mm
Door edge
Fold here
before drilling
holes for side
Chiselling
Put the bolt tongue in &
chisel around the edge
54mm (2.12”)
Hole Saw
10mm (0.39“)
Drill Bit
54mm (2.12”)
2.7mm (0.11”)
Deep
57mm
(2.25”)
25mm (0.98”)
25mm (0.98”)
Spade Bit
20mm
(0.78”)
Chisel
20mm (
0.78”)
Chisel
