hookLock M


Reliable security and function

Stable hooks made from chrome-plated steel engage deep in the keep rail of the frame. But that’s not all: the deadbolts are securely fixed in place in the locked position. This means that the door frame and door stile are held together with the highest possible locking force – a significant increase in burglary prevention. Yet the closing mechanism is still smooth-running and convenient. The sturdy protection can be increased even further. With the hookLock M4 tie bolt, four hooks in addition to the main deadbolt work to keep intruders out. Solid materials and precise processing guarantee extraordinary stability and a long service life.


  • Sturdy hook with claw action
  • Smooth-running closing thanks to optimal dead lock contour
  • Suitable for burglary-resistant doors according to DIN EN 1627-30 RC1 – RC3
  • Pressure adjustment in the keep/keep rail +/- 2mm
  • Hook blocked against being pressed back in fully locked position
  • Lock housing closed on all sides, in line with all standard/tested door signs/rosettes in accordance with DIN 18251
  • Main deadbolt made of steel, matt chrome-plated
  • Key bit load-free in locked position for easier key insertion
  • Actuation of the hook via the locking cylinder with 2-revolution lock design, also available in handle-actuation design
  • Various distances
  • Large selection of backsets
  • For wooden, aluminum and PVC-U doors


  • Entryguard for concealed assembly and immediate unlocking from the outside. Only opens by a small gap to protect from intruders
  • For Swiss round cylinders (e.g. Kaba)
  • panicLock M design according to DIN EN 179 and DIN EN 1125 (with integrated smoke and fire protection suitability)
  • DIN direction adjustable (depending on the version)
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