Mortise cylinder

Iutside length=faceplate thickness of outside door handle + dimension of mortise lock inside center position   

Outside length=faceplate thickness of outside door handle + dimension of mortise lock outside center position 

Total length=door thickness + faceplate thickness of outside door and inside door handle 

Cylinder length calculation formula  

4. Faceplate thickness of inside door handle   

3. Faceplate thickness of outside door handle 

2. Mortise lock position in door leaf     

1. Thickness of door

Key factors in cylinder length

Length: 60,65,70,75,80,85,90(mm)

Cylinder

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