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668 G/GF - Locks with free moving handle

The 668 G/GF locks with free moving handle are part of the series 600 mechanical locks for armoured doors. When the door is locked with the deadbolt extended, the handle becomes "free moving" and cannot accidentally retract the latch. This keeps the door correctly aligned in its frame, with benefits in terms of improved thermal and sound insulation and reduced wear over time.

Technical Features
  • Versions with reversible latch at the top or at the bottom
  • Piston centre distances 28, 37/38 mm
  • Latch projection 3,5 or 13,5 mm
Standards and Certifications
  • In conformity with the European standard EN12209