Lockwood 3573PT Mortice Sliding Door Lock — Through Fixable, 60mm Backset, Satin Chrome
The Lockwood 3573PT is a through fixable mortice sliding door lock with a 60mm backset in Satin Chrome. Designed for heavy duty use in commercial and institutional environments such as schools, hospitals, hotels and clubs, this lock combines durability with practical functionality. The inside is operated by turnknob, while the outside is operated by coin or screwdriver for emergency access. As part of the Lockwood 3570 Synergy® Mortice Lock Series, it is engineered to withstand demanding applications while meeting Australian Standards.
Warranty
Key Features
- Through fixable mortice sliding door lock
- 60mm backset
- Inside: Locked/unlocked by turnknob
- Outside: Locked/unlocked by coin or screwdriver (emergency access)
- Emergency turnknob escutcheon included
- Reversible handing for flexible installation
- Deadlocking bolt for secure locking
- Door thickness range: 32–50mm
- Bolt/latch projection: 15mm
- Bolt material: Stainless steel
- Bolt type/function: Deadlatch
- Compatible with Lockwood cylinder escutcheons, turnknobs and plate furniture
- Part of the Lockwood Synergy® 3570 Mortice Lock Series
- Tested to Australian Standards
- Finish: Satin Chrome
Specifications
- Item Code: 3573PT
- Series: 3570 Mortice Lock Series
- Function: Sliding door deadlock — through fixable, emergency access
- Backset: 60mm
- Door Thickness: 32–50mm
- Bolt Projection: 15mm
- Bolt Material: Stainless steel
- Bolt Type: Deadlatch
- Finish: Satin Chrome
Suitable Uses
- Commercial and industrial sliding doors
- Institutional facilities
- Schools and hospitals
- Hotels and accommodation facilities
Dispatch & Returns
- Estimated Warehouse Dispatch: 11 business days
Non-Returnable Item
Download PDF Resources
| Lockwood Synergy Mortice Locks Catalogue | |
| Lockwood 25 Year Mechanical Warranty (Conditions Apply) |
Item Code Family

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.
