Hardware Products

Rim door locks, SPRANGA, doorclosers, panic devices and cylinders

Double hook rim door locks - For hinged and sliding doors

These locks are suitable for wooden or iron hinged and sliding doors and ensure multiple functions.

  • Case:

    painted zamak one-piece.

  • Cover:

    rear cover, galvanized steel.

  • Plate:

    galvanized and passivated steel (fitted with screw and cylinder holes) applied under the rear cover, in case of welding.

  • Dead-bolt:

    with 1 throw, forged and galvanised double hook, it can be activated both from the inside and outside using the key. The latch function unlocks from the outside using a key and from the inside with a thumb turn.

  • Cylinders:

    solid nickel-plated brass, internal fixed to the thumb turn centre, loose external.

  • Keys:

    supplied with 3 Universal profile nickel-plated brass keys.

  • Thumb turn:

    nickel-plated, with a comfortable grip, that surrounds the inner cylinder.

  • Mechanism:
    • brass pins;
    • mushroom brass counterpins, pick-resistant;
    • inox stainless steel pin springs;
  • Striker:

    angular, with double slot, made with painted steel (unlike more popular models which are have light alloy strikers), suitable for being fixed to wooden doors using screws (supplied) and welded on iron doors.

  • "Dogging device" lever:

    possibility to keep the lock in "always open" status; rotating the thumb turn to lift the deadbolt latch function and simultaneously locking it with the sliding, towards the deadbolt of the nickel-plated round lever.

  • Supplied with:

    striker, inner plate for welding, stainless steel ring nut and plate for the outer cylinder, fixing screws and installation note with drilling template.

  • Packaging:

    Personalized single box.

7550 SERIES - Latch/deadbolt - Double cylinder - 1 throw

BacksetCase dimensions

Throw projection

KeysUnit weight (without cylinder)Pcs. per pack





A x B



Item No.



  7553.642.160120 x 801006211801
  7553.642.260120 x 801006211801