BS4 Max Security Nightlatch - Emergency Escape

Out of stock
  • Maximum security
  • 10 year guarantee
  • Emergency Escape

Yale British Standard Nightlatches offer the maximum level of protection against known attack methods.


  • BS4 - 40mm Backset


  • 20mm anti-saw bolt for increased strength
  • Supplied with high security TS007 1* 6 pin rim cylinder
  • Anti-drill
  • Anti-pick
  • Anti-bump
  • Anti-carding protection
  • Non-Locking Internal handle for ease of escape in case of emergency
  • Automatic deadlocking
  • Push button to hold back the latch
  • 2 keys supplied

Standards & Endorsements:

  • Kitemarked to BS3621:2007 KM21358
  • Complies to BS EN 12209:2003 & BS EN 1303:2005
  • CE marked
  • Declaration of Performance downloadable from
  • Secured by Design approved - recommended by the Police
  • Insurance approved

Security Level & Guarantee:

  • Maximum security
  • 10 year guarantee
  • Please note that these locks are only suitable for inward opening doors only.
More Information
Colour / Finish No Colour
Deadlock No
Guarantee No
Security Level No
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