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Left tab3 inch Architectural 5 Lever Mortice Door Lock Ref: 233.3152.30Right tab

3 inch Architectural 5 Lever Mortice Door Lock Ref: 233.3152.30

Black Ironmongery | Mortice Locks and Latches | Security Mortice Door Locks - Sashlocks |  3 inch Architectural 5 Lever Mortice Door Lock Ref: 233.3152.30

British Made - British Quality

This High Quality British Standard 5 Lever Mortice Lock is Manufactured in Britain and should not be confused with the poor quality imported imitations available from other suppliers.
General Information

Most Home Insurance companies will insist that all external, hinged doors are fitted with suitable Security Locks that have been independently tested and certified to British Standard BS3621. Locks meeting this standard will carry the BS Kitemark on the Faceplate and are generally regarded as being suitable for most domestic and commercial applications (obviously, if you're the Royal Mint you might want to consider something with a higher degree of security).
Beware - there are many 5 Lever locks available that do not meet the requirements of BS3621. Fitting these cheaper locks could mean that you will not be covered in the event of forced entry.

Click for Technical Detail
3 inch (76mm) Architectural 5 Lever Mortice Door Lock Ref: 233.3152.30

A high quality British made 5 Lever Mortice Sashlock in choice of five superior finishes for fine quality joinery applications. An excellent choice for Sprung or heavy Unsprung Lever Door Handles and Door Knobs*

Case Depth 3" (76mm)
Backset 2 1/4" (57mm)
All other measurements as per technical drawing.

5 Lever Locking Mechanism to BS3621 for High Security applications - Insurance Company Approved

25 Year Mechanical Guarantee - recommended for medium to heavy weight internal or external doors with a medium to high frequency of use

Certified and Approved for use on FD30/60 Fire Doors

Fully Reversible - to suit doors hinged on the Left or Right and opening Inwards or Outwards

Available in the following High Quality finishes:
Polished Brass
Satin Stainless Steel
Polished Stainless Steel (similar to Polished Chrome)
Dull Black
Dark Bronze (often refered to as BMA)

*Important: If fitting this type of Mortice Lock for use with Door Knob Handles consideration should be given to the clear space between the Knob when fitted and the door frame stop. If too small a gap is present the Knob will be difficult to operate without rapping your knuckles against the door frame. If in any doubt we would recommend the use of a suitable Lock with a deeper Backset measurement.

Rebated Doors? - It is common in the UK for pairs of doors to have rebated edges (meeting stiles) where the active leaf closes on to the fixed leaf. Please refer to the Associated Products below for suitable Rebate Conversion Sets for this Mortice Lock.



Per Single c/w Frame Keep Plate and Fixing Screws

From 24.51 (Excluding VAT at 20%)

Select Finish


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Mortice Lock Rebate Set Ref: 290.3105.13

Rebate Conversion Set to suit our Architectural 5 Lever BS ...go to this product

Black Ironmongery | Mortice Locks and Latches | Security Mortice Door Locks - Sashlocks |  3 inch Architectural 5 Lever Mortice Door Lock Ref: 233.3152.30

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