- Horizontal mortice bathroom lock with 5mm spindle for use with bathroom turn & release systems.
- Supplied with PVD brass forend and strike plates.
- Large style lock case available in two sizes – 127mm (5 inches) or 152mm (6 inches) deep.
- Traditional horizontal style is ideal for mortice knobs as it places the knobs far away from the door frame.
- Horizontal locks were a traditional lock often found in period properties.
- Spindle hole for the turn & release is located to the side of door knobs rather than underneath.
- Thumbturn operated dead bolt.
- Bolt through lock (38mm bolt holes) to suit bolt together handles and mortice knobs.
Operation
- Latch is withdrawn via a mortice door knob or lever handle from either side of the door (handles sold separately).
- Two way action allows un-sprung door knobs to be turned either way to withdraw the latch mechanism and open the door.
- Deadbolt is locked and un-locked via a bathroom thumbturn and release lock (sold separately).
FeaturesÂ
- Light weight springing makes this lock ideal for use with door knobs.
- Two way action allows door knobs to be turned in both directions.
- Solid brass guided latch.
- Solid brass deadbolt with anti-saw rollers.
- Bolt through facility for bolt together fixing lever handles and accessories at 38mm centres.
- 8mm x 8mm spindle follower (to suit standard UK size spindles).
- Latch can be reversed on site without taking the lock case apart.
- Reversible frame mounted strike plate.
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Security LevelÂ
- Low security architectural range.
- Suitable for use on internal doors in residential or light commercial buildings.
Finish
- PVD brass.
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Alternative Finishes Available
- Polished stainless steel.
- Satin stainless steel.
Dimensions

Available in two sizes
- 20180.1Â – 127mm (5 inch)
- 20180.2Â – 152mm (6 inch)
| Â |
20180.1 |
20180.2 |
Dimension On Diagram |
|---|---|---|---|
|
Overall Case Depth |
127mm |
152mm |
A |
|
Backset (Distance To centre Of Spindle Hole) |
101mm |
127mm |
B |
|
Backset (Distance To centre Of Key Hole) |
38mm |
50mm |
C |
|
Case Height |
70mm |
70mm |
D |
|
Forend – Height x Width |
120mm x 25mm |
120mm x 25mm |
E |
Options Available To Order
- Intumescent sheets and lock case liners are available. Please see our intumescent fire rated products category for details.
Rebate Kit For Double Rebated Doors
- 40832.1Â – 13mm PVD brass rebate kit for use with the horizontal mortice locks.
Unit Of Sale
- Each – (1 x lock case supplied with forend, strike plate).









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