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3 Lever Horizontal Mortice Sash Lock - 127mm or 152mm Deep Case - Antique Brass
            Catalogue Number:
        
43421
- 3 Lever horizontal mortice sash lock
- Supplied with Florentine bronze (antique brass finish) 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.
- Key hole is located to the side of door knobs rather than underneath.
- Key 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- Latch is withdrawn via a mortice door knob or lever handle from either side of the door (handles sold separately).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 the supplied cut keys.
- Key differed - if ordering more than one lock each lock will come with different keys. (Please contact us if you would like multiple locks under the same key).
Features
- Light to medium 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.
- Supplied with 2 keys.
- Reversible frame mounted strike plate.
Security Level
- Medium security architectural range.
- Suitable for use on internal doors in residential or light commercial buildings.
- 3 lever cut keys made from zinc alloy..
Finish
- Florentine bronze - (antique brass finish).
Alternative Finishes Available
- Satin stainless steel.
- Polished stainless steel.
- PVD brass.
Dimensions

Available in two sizes
- 43421.1 - 127mm (5 inch)
- 43421.2 - 152mm (6 inch)
| 43421.1 | 43421.2 | 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 | 
| Strike Plate - Height x Width | 140mm x 25mm | 140mm x 25mm | F | 
Options Available To Order
- Keyed alike - (please contact us if you would like a number of looks to operate under one key).
- Intumescent sheets and lock case liners are available. Please see our intumescent fire rated products category for details.
Unit Of Sale
- Each - (1 x lock case supplied with forend, strike plate and 2 keys).
| Item | 43421 | 
|---|---|
| Item Code | 43421 | 
| Finish | Antique Brass | 
| Dimensions | 127mm or 152m Case Depth | 
| Sold Per | Each | 
| Availability | Stock item - please allow 1-3 days for delivery | 
Stock item - please allow 1-3 days for delivery
 











