3 Lever Horizontal Mortice Sash Lock - 127mm or 152mm Deep Case - Florentine Bronze (Antique Brass Finish)
3 Lever Horizontal Mortice Sash Lock - 127mm or 152mm Deep Case - Florentine Bronze (Antique Brass Finish)

1/2

Product Code: 43421.1

3 Lever Horizontal Mortice Sash Lock - 127mm or 152mm Deep Case - Antique Brass

4.9 · 1954 verified reviews Verified on Trustpilot
View full specifications
Klarna. Pay in 3 interest-free payments of .

3 Lever Horizontal Mortice Sash Lock - 127mm or 152mm Deep Case - Antique Brass

£49.04

  • Free delivery over £100
  • 30-day returns
  • Secure checkout — Shop Pay, Klarna, Apple & Google Pay
Specifying for a project? RegAI
Speak to one of our team for advice & guidance.

Product Details

  • 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  • Latch is withdrawn via a mortice door knob or lever handle from either side of the door (handles sold separately).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).

Unit Of Sale

  • Each - (1 x lock case supplied with forend, strike plate and 2 keys).

Antique Brass (Gloss Lacquered)

  • Free delivery on orders over £100 (£5.95 below).
  • 30-day returns

Describe this product detail here.

Technical

Specification & Dimensions

Downloads

GAI
RegAI · 1888

Why "Registered Architectural Ironmonger" matters

RegAI is the recognised professional standard for specifying door hardware — covering fire compliance, function, handing and finish. Most online sellers aren't qualified to give it. When you buy from us, a real RegAI specialist stands behind the choice, so you fit the right product first time.

Jeremy Barltrop, Registered Architectural Ironmonger

Call us 020 8360 7771
Social Proof

What buyers say

4.9 / 5
1954 verified reviews
Trustpilot
Established 1888 · Family run

The UK's highest-rated ironmonger — because the details are all we do.

For five generations, the Johns family has specified architectural ironmongery for period homes, heritage restorations, hotels and hospitals. We don't sell everything. our range and been specically selected with products we know and trust.

137
years, est. 1888
4.9★
3,700+ reviews
RegAI
GAI-qualified specialists
Our London showroom & workshop