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NOTE: Please read instructions before drilling any 

holes or marking out hole centres.

Mark both sides of the door using the template (flip 
template over to mark other side).

DO NOT drill right through the door as alignment 
issues will occur. Only drill to centre.

There are five stages to fitting the Mortice Case:
Stage 1
:  Mark drilling positions for lock case.
Stage 2:  Mark drilling positions for door furniture to 

be installed

Stage 3:  Prepare door by mortising and drilling holes.
Stage 4:  Fit lock & door furniture.
Stage 5:  Fit striker.

Stage 1 - Mark Drilling Positions  

for Lock Case

1.  Mark chosen height of lock on face of door.  

Height is normally measured to centre of square 
spindle (Hole 9). 

2.  Mark ‘Height Line’ at top of template 57.5mm  

(2-9/32”) above Hole 9 or 121.5mm (4-25/32”) above 

Hole 10 on front edge and both faces of door.

3. Make a vertical centre line on front edge of door. 

Universal Hole Positions

Hole #

Hole Diameter

Depth

1 - 6

19mm

3/4”

77mm

3”

7 & 8

2.5mm

3/32”

25mm

1”

Indicator Lock Hole Positions

Hole # Hole Diameter

Depth

Door Side

9 - 11

19mm

3/4” To Centre of Door

Both

12 or 13 6.5mm

1/4” To Centre of Door

Both

14 & 15 10mm 25/64” To Centre of Door

Both

4. Align top edge of template with height line and 

arrows to vertical centre line.

5.  Mark universal hole positions (Holes 1-8) for lock 

case using a sharp nail or pencil.

1

2

3

4

5

6

8

7

FOLD HERE AND PLACE ON CORNER OF DOOR

134

mm 

(5-9/32”)

9

12

12

12

12

16

13

14

15

10

11

Backset 56

mm 

(2-13/64”)

CL100ZA525
02.2018

HEIGHT LINE

DRILLING TEMPLA

TE FOR CL100 MOR

TICE

READ FITTING INSTRUCTIONS

121.5

mm 

(4-25/32”)

20

mm

(25/32”)

57.5

mm 

(2-1/4”)

STRIKER TEMPLA

TE

Ø10

mm

(25/64”)

4x Ø

6.5

mm

(1/4”)

 

 

6

mm

(15/64”)

Stage 2 - Mark Drilling Positions  

for Door Furniture 

1.  Highlight correct drilling options required 

for handle and use a sharp nail or pencil to 
mark required hole centres. Holes 12-13 to be 
vertical or diagonal fixing holes at the correct 
hole centres to suit the lever handles being 
used.

Stage 3 - Mortice & Drill Holes

DO NOT drill right through the door.  
Alignment issues will occur. Drill to centre on 
both sides for through holes. Check Stage 2 
chart for hole depth.
1.   Drill  Holes 1-6. Make sure drilled holes are 

straight and level. 

2.  Chisel out remaining wood between holes indicated 

in shaded area on template to create a slot. 
Note: Maximum slot length not to exceed 134mm 
(5-9/32”).

3.   Drill  Holes 7 and 8.
4.  Remove face plate from lock case and temporarily 

screw lock case in place. Mark around outside edge 
of inner forend then remove lock.

5.  Router out marked area to a depth of 7mm (9/32”). 

Important: Recess of front section must be routered 
flat and even. Long term damage will occur if not 
done correctly.

6.   Drill  Holes 9 to 11.
7.  Remove remaining wood from oval shaped slot 

between Holes 10 and 11.

8.  Drill holes for fixing handles using marks from 

Stage 2.

Height 

line

Centre 

line

Front 

edge 

of 

door

Face 

plate

Inner 

forend

Drilled 

holes 

7 & 8

Router 

out 7mm 

(9/32”)

INDICATOR LOCK Fitting Instructions 

1

ST

AGE

ST

AGE

2

ST

AGE

3

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