Lockton Euro Sliding Mortice Hook Lock - 20mm BackSet

LOCKTON 'E-Series' Euro Smart Mortice Lock (Sliding Door) - 20mm Backset (SML-S20)

The LOCKTON 'E-Series' Euro Smart Mortice Lock is a sliding door mortice lock designed for use in smart euro lock configurations. This model is the 20mm backset option (Art ID SML-S20) with an 85mm pitch and a 270 × 22mm faceplate, ideal for shallow-backset sliding door preparations.

Key Features

• Sliding door euro smart mortice lock format.
• 20mm backset with 85mm pitch for shallow lock placements.
• 270mm × 22mm faceplate, matching the common sliding door cut-out size for this range.
• Designed for use with smart euro locks that rely on a mortice lock for mechanical operation.

Specifications

• Brand: LOCKTON
• Product Type: Euro smart mortice lock (sliding door)
• Item Code (Art ID): SML-S20
• Backset: 20mm
• Pitch: 85mm
• Faceplate Dimensions (Length × Width): 270mm × 22mm

What's In The Box

• 1 × LOCKTON 'E-Series' sliding door smart mortice lock (Art ID: SML-S20)

Suitable Uses

• Sliding doors being fitted with a euro smart lock that requires a sliding mortice lock body.
• Doors with shallow door stile preparations where a 20mm backset suits the cut-out.
• Retrofit replacements where existing cut-out and spindle alignment must be maintained.

Compatibility

• Commonly used with: Lockton ELEV36 as well as MLA210, MLA231, MLA236 and MLNX5 McGrath smart locks.
• Also reported by locksmiths to suit: Au Smart Lock, Austyle, Zanda and other euro mortice smart locks that rely on a sliding door euro mortice format.
• Important: Compatibility depends on door preparation, backset and pitch. Always confirm measurements before ordering.

Smart Lock Use Only

• This mortice lock is designed specifically for smart lock installations.
• Not suitable for use with standard mechanical lever sets or key-only mortice lock applications.
• Sliding door mortice formats vary. Confirm your existing mortice layout before ordering.

LOCKTON 'E-Series' Smart Mortice Lock (Sliding Door) - Item Code Family

Warranty

• Warranty: 3-year warranty for added peace of mind.

Frequently Asked Questions

Is SML-S20 suitable for hinged doors?
No. This is the sliding door mortice lock version. Hinged doors use a different mortice lock format.

Does this mortice lock include a euro cylinder?
No. This is the mortice lock case and faceplate only. Euro cylinder and smart lock are supplied separately.

What is the most common installation mistake?
Choosing the wrong backset or assuming sliding and hinged lock formats are interchangeable. Always confirm measurements.

Additional Information

• Backset selection: 20mm is used where the stile and existing door prep allow a shallow setting without hitting internal hardware or jamb
• Retrofit advice: Measure the existing lock before ordering to ensure the correct backset and pitch match your door.
• Installer tip: Use the shared installation template and dry-fit to verify alignment prior to final fixing.