TO SUIT MAXIMUM DOOR THICKNESS OF 54MM
- British standard high security escape night latch.
- Conforms to British Standard BS8621:2004 and meets the tough criteria laid down by the insurance companies and the Police (Secure By Design)
- This egress night latch offers insurance rated security while still allowing adequate means of escape in the event of an emergency.
- This lock cannot double locked, allowing for escape at all times.
- Features an integral cylinder pull which protects the cylinder from being drilled
- The cylinder has over 30,000 key variations and comes with a 20mm bolt throw for greater security and strength.
Finish
- Satin chrome
Dimensions

| AVAILABLE IN TWO SIZES | 40307.1 | 40307.2 |
Dimension On Diagram |
|---|---|---|---|
| Backset |
40mm |
60mm |
A |
| Case Width |
70mm |
90mm |
B |
| Case Height |
86mm |
86mm |
C |
| Case Depth |
33mm |
33mm |
D |
| Lever Projection From Case |
25.5mm |
25.5mm |
E |
| Cylinder Height |
83mm |
83mm |
F |
| Cylinder Width |
50mm |
50mm |
G |
Important Info Before You Buy
- For use on inward opening doors only
- Latch bolt is withdrawn by handle from inside and by turn of key from outside.
- Bolt can be held back by pushing the button on lock case, then released by turning the handle up or down
- The main lock bolt “automatically” deadlocks, when the door is closed this makes the use of a credit card to force entry virtually impossible
- Supplied with three keys






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