Lockwood 355 Double Cylinder Deadlock — Available in 5 Finishes, 60mm Backset
The Lockwood 355 Double Cylinder Deadlock delivers premium security for both residential and light commercial applications. Operated by key from both sides, with the internal key locking or unlocking the turn knob, the 355 provides strength, reliability and protection. Built with a clutching turn knob, jemmy-resistant interlocking case, and positive deadlocking action, it is suitable for hinged and some sliding doors. Available in a choice of five finishes to suit your door hardware style.
Warranty
Key Features
- Double cylinder deadlock — key outside and inside
- Internal key locks or unlocks the turn knob
- Lockable turn knob with clutching device resists wrench attack
- Interlocking case & mounting plate resist jemmy and hammer attack
- Positive deadlocking action, concealed fixing
- Suits hinged and some sliding doors
- Tested to AS4145.2-2008 | SL7D8C6
Specifications
- Item Codes: 355-NMBK, 355-NBRNDP, 355-NCPDP, 355-NEVBDP, 355-NSP
- Type: Rim deadlock (double cylinder)
- Backset: 60 mm
- Bolt: Stainless steel
- Case: Thick-walled high purity zinc alloy casting
- Cylinders: Internal & external 5-pin brass cylinders
- Door Thickness: 30–45 mm
- Mounting Plate & Strike: Pressed steel
- Packers: 3 mm packers included
- Strike Conversion Plate: Available for replacing flange strikes
- Compliance: AS4145.2-2008 | SL7D8C6
Keying
- Supplied individually keyed with 2 keys
- Approx. 78,000 key combinations
- Key blank: KB2015P
- Restricted / master keying systems available
What's In The Box
- Lockwood 355 Double Cylinder Deadlock body
- Internal & external cylinders
- Mounting plate and strike
- 3 mm packers
- Fixing screws
- Installation instructions
Suitable Uses
- Residential entry doors
- Light commercial hinged doors
- Sliding doors needing high-security deadlocking
Available Finish Options
-
Black
355-NMBK -
Brown
355-NBRNDP -
Chrome Plate
355-NCPDP -
Everbrass
355-NEVBDP -
Satin Chrome Pearl
355-NSP
Download PDF Resources
|
Lockwood Rimlocks Catalogue |
|
Lockwood 25-Year Mechanical Warranty (conditions apply) |
