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12.7mm (1/2”) cutter

16mm
Dia bush

Adjustment Plate

Jig

Actual Face Plate Size

1.65mm

1.65mm

Adjustment Plate

Adjustable Lock Jig

This diagram explains the offset between the cutter 
and the bush. 

7.

The width of the face plate/lock is governed by any 
of the four templates you use. Each has a letter or 
a number engraved on it which relates to the 
following widths:-

Face Plate Template “A” = 25.4mm
Face Plate Template “B” = 22.5mm

Lock Template  “1” = 16mm
Lock Template  “2” = 19mm

8.

Decide upon the template and attach it to the jig 
using the keyhole slots. Make sure the arrows line 
up. Tighten the screws to secure the template.

9.

The lock jig is now set. Set your router to cut the 
thickness of the face plate - refer to the router 
manual. 

10. Continue to rout the face plate aperture.

Setting up the Lock Face Plate cont...

Setting up the Lock Face Plate cont...

Template

Keyhole
slot

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