Lockwood Door Lock Single Cylinder Deadlock
303NSP

Single Cylinder Deadlock ability to lock or unlock the door from the inside of the house with a thumb-turn provides a level of ease to which the modern homeowner has grown used.

Single Cylinder Deadlock Function - On the outside, there is a keyed cylinder, while on the inside, the door is locked and unlocked with a thumb turn. In the event of an emergency, the inside thumb turn provides for a quick departure.

• Security features provided by the 303 Deadlock make it an ideal lockset for both domestic and commercial applications.

Features:

• Suitable for hinged and some sliding doors
• Single cylinder and turn deadlock
• Locked and unlocked by key from the outside
• Opened by turn the knob on the inside
• Internal turn knob free at all times
• Strong interlocking case and mounting plate
• Concealed fixing
• Positive deadlocking action
• Compatible with most restricted keying systems
• Supplied boxed with 2 keys

Specifications:

• Case: Thick-walled, high-purity zinc alloy casting
  • Length: 121mm
  • Height: 76mm
  • Projection: 56mm
• Backset: 60mm
• Bolt: Stainless Steel
• Mounting Plate and Strike: Pressed steel
• Case Retainer Plate and Operating Mechanism:
  • Solid pressed steel and diecast
  • Zinc components
• Packing Plates: 3mm thick packing plates can be purchased separately and installed under the lock body to align the lock body with the face of the jamb
• Strike Conversion Plate: A strike conversion plate is required where the strike is to be installed in place of an existing flange strike
• Door Thickness: 30mm to 45mm
• Cylinders:
  • 5-pin tumbler mechanism outside
  • Brass cylinder and barrel
• Has Knob On Inside: Yes
• Is Keyed From Both Sides: No
• Suits Metal Frame: Yes
• Suits Timber Frame: Yes
• Compatible With Most Restricted Keying Systems: Yes
• Finish: Satin Chrome Pearl