Lockwood 531 Series Key In Knob Passage Set - Satin Chrome
The Lockwood 531 Series Key In Knob Passage Set is a reliable and easy-to-install lockset designed for general door applications where latching is required without locking functionality.
Designed as a non-handed unit, it allows flexible installation on left or right hand doors and is well suited to both residential and commercial environments including office partitions and internal doors.
This passage set delivers dependable everyday operation with Lockwood’s proven hardware performance.
- Non-handed design for easy installation
- Suitable for residential and commercial applications
- Brass latch bolt with 13mm projection
- Available backsets: 60mm standard, optional 70mm and 127mm
- Compatible with keyed alike and master key systems (when applicable)
- Satin Chrome finish
Suitable Uses
- Internal doors where no locking is required
- Office partition doors
- Residential passage doors
- Commercial interior door applications
Specifications
Technical Drawing
This technical drawing is provided for installation reference. Always confirm measurements, door preparation, and fixing positions against official Lockwood documentation before drilling or fitting.
Frequently Asked Questions
Is this a locking set?
No, this is a passage set designed for doors that do not require locking.
Can it be installed on either door handing?
Yes, it is non-handed and suits both left and right hand doors.
Can the backset be adjusted?
Yes, it supports 60mm standard and optional 70mm and 127mm latches.
Additional Information
- Commonly used in internal door applications
- Reliable everyday hardware solution
- Compatible with Lockwood keying systems where required
- Ideal for both new installations and replacements
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)
Lockwood Key in Knob and Key in Lever Locksets Catalogue
Lockwood Key in Knob and Key in Lever Locksets Catalogue
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.
