Mortice lock RR25 (Art. no. 20824)

  • For doors with tubular frames
  • When closing the door only the latch is being operated 
  • By locking the door cylinder the bolt is activated
  • Can be used right or left as latch can be turned
  • Forend 24 x 240 mm (angular)

Mortice lock RR25 (Art. no. 20824)


  • High capacity of resistance by use of high quality materials
  • Extra solid mechanical construction
  • Metal latch and bolt
  • Both counter and latch spring made from special steel
  • Extra corrosion protection by electrolytic galvanizing
  • Lockable with a single turn of the key


  • Finish: galvanic zinc plated
  • Available in backset: 25/30/35/40 mm
Technical drawing
Art. no.: 20824
Level: 7
Article group: 18
Backset: 25 mm
Distance measure: 92 mm
Forend: 24 mm
No. of keys supplied: without key
Packaging: sleeve
color: zinc plated


Mortise locks

The mortice lock is activated by the door cylinder – it may be invisible but it has a crucial function. Just as it's impossible to start an engine without a starter motor, a door cannot be locked without a mortise lock. ABUS mortise locks that meet DIN 18251 ABUS offers a wide range of mortise locks that meet DIN 18251 with solutions for a variety of needs, e.g. fire doors or doors with narrow profiles. The premium product is the TKZ 40 – ...
Other interesting products from the category Mortise locks

Questions & answers

Security glossary