Lockwood 3571 Mortice Escape Deadlock — Primary Lock, No Cylinder, 60mm Backset
The Lockwood 3571 Mortice Escape Deadlock (No Cylinder) is a heavy-duty escape-function deadlock from the proven Synergy 3570 Series. Designed for industrial, institutional and commercial applications, it operates by key outside, while the inside escape lever always unlocks the door for safe egress. The inside turn cannot lock the door, ensuring compliance with escape and safety requirements. Supplied without a cylinder, allowing compatibility with Lockwood oval cylinders (ordered separately).
Warranty
Important Notes
- Supplied without cylinder — order Lockwood oval cylinder separately.
- Special-order item. Non-returnable once ordered.
Key Features
- Escape deadlock with key outside, escape lever inside
- Inside turn cannot lock door (safety escape function)
- 19 mm stainless steel deadbolt
- 60 mm backset
- Heavy-duty 3570 Synergy Series construction
- Compatible with Lockwood escutcheons and plate furniture
Specifications
- Model No: 3571DE Series
- Type: Mortice escape deadlock (no cylinder supplied)
- Backset: 60 mm
- Bolt: 19 mm stainless steel
- Operation: Outside — key / Inside — escape lever (no turn lock)
- Door Thickness: 32–50 mm
- Finishes: Satin Chrome, Chrome Plate, Polished Brass, Satin Brass
- Handing: Left-hand (LH) and Right-hand (RH) variants
Estimated Warehouse Dispatch
- 11 Days
What's In The Box
- Lockwood 3571 Escape Deadlock Primary Lock body (No Cylinder)
- Escape lever assembly
- Faceplate and fixing kit
- Installation instructions
Suitable Uses
- Emergency exit and egress doors
- Healthcare, educational and institutional facilities
- Hotels, offices and public buildings
Available Finish Options
-
Polished Brass Ulq
3571DELBUNCYL (LH) / 3571DERBUNCYL (RH) -
Chrome Plate
3571DELCPNCYL (LH) / 3571DERCPNCYL (RH) -
Polished Brass
3571DELPBNCYL (LH) / 3571DERPBNCYL (RH) -
Satin Brass
3571DELSBNCYL (LH) / 3571DERSBNCYL (RH) -
Satin Chrome
3571DELSCNCYL (LH) / 3571DERSCNCYL (RH)
Mechanical Variants
Download PDF Resources
| Lockwood Synergy Mortice Locks Catalogue | |
| Lockwood 25-Year Mechanical Warranty (conditions apply) |
Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants): typically up to 2 years against corrosion.
- Unlacquered brass finishes naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.
