Security cylinder “Zx5JM” “Metalguard”


  • The cylinder has five locking pins, reversible dimple key with wave key bitting and built-in magnets.
  • “Metalguard” are registered trademark.
  • Patented construction.
  • Complies with the class 5 by EN 1303.
  • 353 600 locking combinations.
  • Anti-pick protection.
  • Anti-drill protection.
  • Anti-bump protection.
  • Anti-snap protection (cut in the housing and the plug in a selected section, near to the outside of the housing), ensuring that the cylinder will continue to work even after improper breakage.
  • Additional wavy channel of the key in different variants and special pins in contact with it to increase the security of the lock.
  • The cylinder housing and plug are made of brass and satin (E) plated.
  • Main row has five brass locking pins.
  • Built-in magnets in the key and a special pin in contact with them, increasing the security of the lock.
  • A steel pin, blocking the cylinder when the key is removed and does not allowing work a key without a magnet.
  • Pins anti-drilling is made of hardened steel and are before and after the weakened section for breakage.
  • The CAM is made of sintered steel according BDS 6977-84 or DIN 18252.
  • Four keys made of cupronickel.
  • Fixing steel screw M5x55.



  • Extra cylinder can be manufactured by sample key.
  • A cylinder can be manufactured with unlimited number of keys.
  • The cylinder can be manufactured with length different from those indicated in the table and with a quantity of keys, which is the customer wants.

Product Description


Cylinder is designed for mounting in lock for entrance doors.



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