Robust Steel Shoot Bolt Lock (8mm rod version)


The Debar Robus and steel lock both benefit from the following features:

  • Doors operable/lockable from inside and/or outside on any configuration of bi-fold door
  • Standard Euro profile cylinder used where locking with a key is required
  • Slim body maintains profile integrity
  • Bolts shoot 23mm
  • Threaded rod connections provide easy adjustment up to 15mm 5/8”
  • Can be used in conjunction with Verso & Vivo handles
  • Corrosion protected

Robus Gearbox

  • Engineered from die cast zinc
  • Handle turns 180 degrees. Option to restrict to 165 degrees. Ideal if the Euro cylinder protrudes beyond the escutcheon or if the gearbox is used near a rebate, reducing the risk of hand/knuckle damage when opening and closing a swing panel
  • Optional 3rd middle point sealing lug. Ideal for creating a seal on door sections when their is no hinge to stabilise the jamb

Robus Steel Lock

  • Steel construction
  • Strong and capable of withstanding excessive force
  • Handle turns 90 degrees
  • Location holes for push fit side spacers. Ideal for open chamber constructed doors, with spacers available
  • Location holes for push fit spacers to create varying back sets as required
  • Face cover cap available, fits with M5 screws to threaded holes in the lock face
  • Structural or purpose made cover caps to suit individual profiles can be made
  • Two versions of lock for M8 or M10 threaded rods
SKU: 048 Category:


The Debar Robust Steel Shoot Bolt Lock gearbox/steel bi fold door lock is designed to be concealed within the profile of the door. When the single handle is turned the shoot bolts extend 23mm at the top and bottom of the door to secure the door to the outer frame.  Where no key/cylinder is required then the Verso & Vivo handles version with no escutcheon would be used.

The Debar Robust lock can allow any configuration of bi-folding door to have access from both inside and out. This is especially useful when configurations with no swing panel/access door are incorporated in the arrangement.

End users are able to have a handle on the exterior of the door in any configurations. For handles on both sides of the door the Robust has threaded screw points for M5 screws. These meet in the centre of the Robust gearbox/lock along with the spindle.

Debar stock a selection of special length screws for a perfect fit. Applying medium strength thread lock fluid will ensure all handles remains secure for the whole of life, preventing loose handles occurring from regular use.

NOTE: Use of the Robust bi fold lock and gearbox with 3rd point on a swing/pass door should not be considered suitable as a medium/heavy duty traditional latch lock.


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