This Mila gearbox is a genuine replacement. Fixing points are not threaded and will require self-tapping screws. Screw holes are unthreaded – Use 4mm x 30mm screws to cut thread (Part Number: M430CSK)

Mila gearboxes are available in both latch only and latch and deadbolt configurations, with a double or spindle spindle.

Latch only versions are always single spindle and are available in 25mm, 28mm, 35mm, and 45mm backsets. Latch and deadbolt versions with a single spindle (92mm PZ) are available in 35mm and 45mm backsets and double spindles are available with a 35mm backset only. The double spindle lock features a 70mm/ 92mm PZ measurement.

Operation: Lift lever

Latch reversal: Undo the screw in the side of the lock case to remove the latch, reverse, reinsert and replace the screw.