Narrow Stile Mortice Locks

2400-2600 Series

Gainsborough’s range of Heavy Duty Mortice Locks and Latches have been designed and manufactured in Australia, providing security, aesthetics and reliability specifically for the commercial/residential market.

Product Information


All Gainsborough 1000, 2000 & 3000 Series Mortice Locks and Latches have unique design concepts to meet with the reliability and durability needs required by Australian Standards.

The Gainsborough 2000 & 3000 Series is available featuring the cylinder below the lever or knob in the functions of vestibule and combination locks and latches.

1000 Series Deadlock and Sliding Door Locks are also available (please refer to 1000 Series section for more information).


Commercial applications where heavy duty locks or latches are required to meet varying standards of durability and security needs.
Residential applications including: apartment entries, homes, unit entries.


Standard backset 23mm (2000 Series)

Lock Case

Zinc Alloy case with Nickel Plate finish for corrosion resistance.


SS Satin Stainless Steel faceplates and strikes
PS Polished Stainless Steel faceplates and strikes

Door Range

Suits 32mm to 48mm
Refer dimensions for aluminum doors (2000 Series)
For thicker doors refer to factory prior to ordering


Latchbolts are 14mm. Sintered Stainless Steel for latching type locks & latches and feature an auxiliary bolt which deadlatches the main latchbolt upon closing of the door.
Latchbolt and auxiliary deadlatch bolt can be reversed easily for doors opening in or out.

Door Clearance

To maintain lock security and facilitate correct latch retraction, clearance between door and frame should be 2.5mm –4mm.
The Gainsborough 2000 & 3000 Series has positive deadlatching up to 10mm.

Furniture Fixing

Long plate furniture for both 2000 and 3000 Series Locking Latches and Latches is available – refer to 7000 Series door furniture section.

Multi Function

Multi – function is achieved by simply sliding a switch on either side of the lock case, thus changing the lock from combination function (both lever/knobs locked on outside and inside of case) to vestibule function (one lever/knob locked with other lever/knob operable at all times, normally egress.)
Lock case does not need to be disassembled to achieve either of the above functions.

Electric Strikes

The Gainsborough 1000,2000 & 3000 Series Mortice Lock suits the Gainsborough ES1000SS Electric Strike and is compatible with most other electric strikes available.


Cylinders are oval type used in Australian mortice locks and can be interchanged with other specially keyed cylinders. Cylinders can be supplied with or without the lock. Gainsborough C4/6 pin standard profile or straight six restricted profile are available to match other Gainsborough products. Unlike other Australian type mortice locks, the Gainsborough 2000 and 3000 Series range of locking latches feature the cylinder below the handle/knob for ease of operation and convenience.

Selection Chart

2400/2500/2600 Series Function Selection Charts

Outside of door is on left hand side of illustration – All locks are reversible, for example LH or RH, except where ‘handed’ is designated.

2400 Series

2500 Series

2600 Series

  • Search
  • Search for products by typing in a name or description here...