Double Cylinder Deadlatch with safety release.

Features of the Double Cylinder Deadlatch

• Safety Release™ feature automatically unlocks inside knob on entry
• Suits left or right hand opening doors
• Suits inward opening timber frame doors or inward opening metal frame doors with optional metal frame strike
• Door thickness range 30 mm to 45 mm
• 60 mm cylinder backset
• Locking bolt automatically deadlatches when door is closed
• Stainless steel latchbolt resists cutting
• Hold back feature, can be operated by either the inside turn knob or by the external key
• Can be key locked in hold back position
• Concealed anchorage points including a door frame strengthener
• Key required to lock the knob
• Meets requirments of Australian door lock standard AS4145.2 - 1993 level