Lockwood 4571 Mortice Deadlock Thru Fixable - 89mm Backset - Satin Chrome
The Lockwood 4571 Mortice Deadlock Thru Fixable is a heavy duty primary locking solution designed for high security commercial applications.
Built on the robust Lockwood 3570 series platform, it delivers strong deadlocking performance with through-fix capability for secure door furniture installation.
Ideal for commercial and industrial environments, this lock is engineered for durability, strength and long-term reliability.
Usually ships in 10 business days
Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- 89mm backset for commercial door applications
- Through-fixable design for secure furniture mounting
- 19mm stainless steel bolt for strong deadlocking
- Compatible with Lockwood cylinders and door furniture
- Heavy duty construction for high traffic environments
Suitable Uses
- Commercial and industrial buildings
- Schools, hospitals and institutions
- Doors requiring high security deadlocking
- Projects requiring through-fix hardware installation
Specifications
Frequently Asked Questions
What does through-fixable mean?
It allows door furniture to be securely fixed through the lock body for added strength.
Is this suitable for commercial use?
Yes, it is designed for heavy duty commercial environments.
What is a common installation issue?
Incorrect alignment of the strike can affect bolt engagement.
Additional Information
- Part of the Lockwood 3570 series mortice lock range.
- Widely used in Australian commercial projects.
- Supports flexible door hardware configurations.
- Professional installation recommended.
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
- Electrical and electronic components: 2 years (excluding batteries)
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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.
