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skip to Lockmaster Slave Lock Gearbox Twin Spindle Unsprung - 92/62mm

Lockmaster Slave Lock Gearbox Twin Spindle Unsprung - 92/62mm

£44.92

(£37.43 ex VAT)

sku: L34039
  • Twin unsprung spindle configuration
  • Dual 92mm and 62mm centres
  • Standard 35mm backset
  • Specifically designed for French door slave leaves
  • Slave centre case without latch or bolt
  • Easy lift-lever locking operation
  • Durable 228mm case height
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When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

tick Slave

The Lockmaster Slave Lock Gearbox is an essential component for high-security double door installations, specifically designed to secure the secondary (slave) leaf of French doors. This unit features a twin unsprung spindle configuration with 92mm and 62mm centres, providing versatile operation for different handle types.

Constructed with a 35mm backset, this slave gearbox integrates seamlessly into existing Lockmaster multi-point locking systems. As a slave unit, it operates without a latch or bolt, focusing on driving the locking points of the secondary door leaf to ensure a tight, secure seal. To operate, simply lift the lever handle to engage the locking mechanisms and secure the door with a full turn of the profile cylinder.

  • Centres: 92mm / 62mm
  • Backset: 35mm
  • Case Height: 228mm
  • Case Width: 50mm
  • Type: Slave door gearbox (unsprung)
  • Application: French door secondary leaf
Part Size (mm)
Backset 35
Case Width 50
Case Height 228
Case Depth 50

FAQs

This Lockmaster gearbox is specifically designed as a slave unit for the secondary leaf of French doors. It does not contain a latch or deadbolt, as its primary function is to drive the locking points on the secondary door to ensure a secure, weather-tight seal when used alongside the main door's locking system.

This unit features dual centres of 92mm and 62mm, providing versatility for different handle configurations. It has a standard 35mm backset, which is the distance from the front of the faceplate to the centre of the spindle hole.

Because this is a dedicated slave gearbox for the secondary door leaf, a latch and bolt are not required. Those components are situated on the primary door's master gearbox. This slave unit is engineered to engage the vertical locking rods or bolts of the secondary door through a lift-lever operation.

This is an unsprung gearbox. This means it relies on the internal springs within your door handles to return the lever to its horizontal position after use. It is important to ensure your handles are sprung when using this specific slave lock.