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Astra 431 Series - Lock components

Astra handing definition - Which side of the door is the outside?

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ASTRA LOCK VESTIBULE B431-000 SC

Product Code: 05160035

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This product is a special order (BTO) and is not returnable.
Description

Astra B-Series brass body vestibule mortice lock.

Feature an auxiliary mini-bolt to automatically deadlatch the main latchbolt.

  • Backset: 60 mm
  • Bolt projection: 14 mm
  • Non handed except when double cylinder functions are used
  • No cylinder
  • No escutcheons
  • No turnsnibs
Function
  • Outside cylinder retracts the latchbolt
  • Inside turnsnib locks and unlocks the outside lever
  • Inside and outside lever retracts the bolt
  • Inside lever always free

Supplied body only in satin chrome.

Astra B-Series brass body vestibule mortice lock.

Feature an auxiliary mini-bolt to automatically deadlatch the main latchbolt.

  • Backset: 60 mm
  • Bolt projection: 14 mm
  • Non handed except when double cylinder functions are used
  • No cylinder
  • No escutcheons
  • No turnsnibs
Function
  • Outside cylinder retracts the latchbolt
  • Inside turnsnib locks and unlocks the outside lever
  • Inside and outside lever retracts the bolt
  • Inside lever always free

Supplied body only in satin chrome.

Technical Specifications
Brand ASTRA
Finish Satin Chrome
Lock Pitch In mm 64
Backset 60 mm
Handing Non-handed
Lockbody Has Turnsnib Hub Yes
Turnsnib Hub Spindle Type 4.5mm Square

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