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Lockmaster Double Spindle Replacement Door Lock Gearbox Centre Case 45mm

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PZ Centres:

Lockmaster Door Lock Gearbox Centre Case 45mm Double Spindle

A replacement centre case gearbox for the Lockmaster / Milamaster multipoint door lock mechanism. If you're having problems with your door lock, the gearbox is almost always the problem and changing it is as simple as removing a few screws.

Lockmaster Double Spindle Centre Case 45mm Information

  • Important measurements: 45mm Backset / 92mm / 62mm PZ Centres
  • This is the mechanism inside the door that is operated by the handle.
  • Most likely to be the problem when a lock fails.
  • Reversible latch for left or right handed doors
  • Double Spindle - for lever/ pad operations
  • Split spindle operation


A full technical diagram is included in the image gallery.