3K70RKS - 5 Detainer Mortice Sashlock (RKS)

10_Year_Guarantee.jpg RKS_Logo2.jpg


  • For timber door hinged on the left or the right
  • Keys are suitable for use on doors up to 50mm thick
  • Detainer style locks provide a higher number of key combinations than lever locks


  • Deadbolt is locked or unlocked by key from either side
  • Latch bolt withdrawn by lever handle from either side
  • Force resistant, anti-pick and anti-saw security features
  • Available with square forend and striking plate
  • Can be supplied on patented RKS key section to prevent illicit copying
  • 14mm bolt throw
  • Case Size: 73mm
  • Backset: 44mm
  • Centres:  56mm
  • Case: Silver powder coat
  • Forend: Stainless steel or brass
  • Box Strike Assembly: Painted to match forend
  • Deadbolt: Brass, with hardened steel rollers
  • Latch Bolt: Brass
  • Follower: Sintered Iron
  • Locks are handed - please state required handing when ordering
  • Keying Groups: Standard differ, to pass or masterkeyable with other detainer locks
  • Keys supplied: Standard differ supplied with 2 keys.  For locks to pass or master keyed please specify number of keys required
  • Key Blank Numbers:
  • B-K521-S (Standard) B-K748 (RKS)
  • Cut Key Numbers:
  • B-DET-STD (Standard Differ) B-DET-SK-1.500 (Servant Key) B-DET-MK-1.500 (Master Key)
  • Rebate Kit:  B-3K70R (13mm)
  • Available in SC and PL finishes


  • SC - Satin Chrome finish
  • PL - Polished Brass finish