Lockwood Symmetry Entrance Set Estate - Satin Chrome
The Lockwood 7850SC Symmetry Entrance Set Estate is a residential entrance lockset designed for front doors requiring key-operated security and internal snib control. It forms part of the Lockwood Symmetry range, developed to meet Australian residential standards for durability and security.
This entrance set incorporates the OneCyl cylinder system, allowing compatibility with a wide range of Lockwood keying systems, including restricted profiles where specified. The design supports straightforward cylinder interchange, making it suitable for keyed-alike or master-keyed installations.
Designed for flexibility during installation, the latch is adjustable to suit common backset requirements, while the internal and external components support left and right hand door configurations.
Key Features
- OneCyl cylinder system allows cylinder interchangeability across Lockwood keying platforms
- Adjustable latch suits 60mm to 70mm backset configurations
- Suitable for left and right handed door installations
- 13mm latch bolt projection for secure engagement
- Strike plate includes anti-rattle tab for improved door fit
- Designed to meet Australian Standards for residential security and durability
- Compatible with a range of restricted and master key systems
Suitable Uses
- Residential front entrance doors
- Homes requiring keyed external access
- Properties using keyed-alike or master key systems
- Renovation and new build residential projects
- Timber or metal doors within standard thickness ranges
Full Specifications
Available Finish Options
Chrome Plate
Satin Chrome
Finish appearance may vary depending on lighting and installation environment.
Item Code Family
Frequently Asked Questions
Is this suitable for external front doors?
Yes, this entrance set is designed for residential front door applications requiring keyed access.
Does this include the cylinder?
Yes, the product is supplied with a compatible cylinder as part of the entrance set assembly.
What is a common installation mistake?
Incorrect backset adjustment can cause misalignment between the latch and strike, reducing performance.
Additional Information
- Commonly specified in Australian residential builds due to compatibility with Lockwood keying systems.
- OneCyl system simplifies future cylinder replacement or rekeying without replacing full hardware.
- Not typically used in high-security commercial applications where higher grade locksets are required.
- Proper door preparation is critical to ensure correct latch alignment and long-term operation.
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 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.
