551 Automatic Composite Fastener

This is a new handle by Fermod. Do not mistake this handle for the Standard 521 handle. This handle bolts through the door similar to the 431, MTH handle or Intertecnica 5325. It's design is to reduce the requirement for reinforcement in the door.

This handle is suitable for hinged rebated or overlapping doors from 27 to 162 mm offset.

Suitable for 2 dimensions for doors:

• 60 to 120 mm (±3) thickness
• 120 to 140 mm (±3) thickness
• Adjustable strike for 3 dimensions
  
  FEATURES:
  
• Made of: composite
• Mechanism: Standard version: zinc-passivated steel and composite
  HP version: stainless steel and composite
• Invisible and tamperproof crossing screws
• Interchangeable for left or right hand doors
• Soft and quiet operation, easy opening
• Hygienic: no visible screws
• Quicker installation time due to the through fixing screws
• There is no need for inserts
  
  NEW inside release button:
• 50% less opening force required for inside release
• Ergonomic gripping