This Mila copy gearbox has a latch only with a single 8mm spindle. Please double check the location of your connectors – the alternative version is part MILALATCH4500, below. Self-tapping screws are required (Part Number: M430CSK).
This Mila 4500 copy gearbox has different fixings for the attachments than the standard MILACASE35LATCH. This variation will have a bracket attached with 4500 cast into the face. The connectors are in a different position to the standard version of this lock.
M4 x 10mm self-tapping machine screws need to be used with this lock as the screw holes are unthreaded.
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.
Despite the various backsets and operation options, the dimensions of Mila gearboxes are largely the same. They measure 233mm high by the backset + 20mm wide. The latch measures 20mm high, the deadbolt is 30mm high and there is 80mm between the bottom of the latch and the top of the deadbolt.
Please note that some older locks feature an offset or cranked connector. This is only an issue when replacing a gearbox, rather than a full length lock, but it’s an important point to consider. Replacement gearboxes are now only available with inline connectors. They are still compatible with older locks but it will be necessary to adapt the drive gear that runs behind the faceplate. Follow our technical guide on the process, but there is a square hole in the drive gear that needs to be cut to create a slot to ensure that the lock works.
We stock a range of associated products for Mila Coldseal gearboxes, including multipoint door locks, keeps, spindles, handles, and accessories.
Operation: Single spindle
Latch reversal: Undo the screw in the side of the lock case to remove the latch, reverse, reinsert and replace the screw.
To lock the door
1. Lift the handle upwards to engage the locking points.
2. Lock the locking points and main deadbolt (if present) by turning the key.
To unlock the door
1. Unlock the system by turning the key.
2. Push the handle downwards to disengage the locking points and retract the latch.
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