Lockwood 1900 Square End Plate - Cylinder Hole
The Lockwood 1900 is a square end plate with a cylinder hole from the Lockwood 1800 Series brass plate furniture range. It is designed for commercial and institutional access control applications where a keyed cylinder is required.
The 1900 plate provides a rectangular profile with bevelled edges and is intended for use with compatible Lockwood mortice lock and latch systems.
Key Features
- Square end brass plate with cylinder hole.
- Part of the Lockwood 1800 Series square end plate furniture platform.
- Designed for use with Lockwood Selector and Synergy mortice locks and latches.
- Back-to-back plate configuration.
- Non-handed plate design.
- 1800 Series lever sets tested to D8 durability (500,000 cycles) under AS4145.2.
- 25 Year Mechanical Warranty.
Fire Rated
- 1800 Series plate furniture has been successfully tested up to 4 hours with a fire rated Lockwood mortice lock.
- Tested in accordance with AS1905.1:2005 - Fire Resistant Doorsets.
- Fire performance is dependent on the complete doorset and lock configuration.
Specifications
- Brand: Lockwood
- Series: 1800 Series - Square End Brass Plate Furniture
- Item Code: 1900
- Plate Type: Square end plate
- Configuration: Cylinder hole
- Dimensions: 166 mm x 48 mm x 12 mm
- Material: Brass
- Door Thickness (standard fixing pack): 32 mm to 45 mm
- Fixing: Back-to-back plate installation
- Handing: Non-handed
- Durability (series testing): D8 (500,000 cycles) under AS4145.2
- Security (series testing context): Tested to SL8 under AS4145.2 when used with a Selector 3772 mortice lock and Abloy Protec2 CY504 cylinder
- Fire Testing (series testing): Up to 4 hours to AS1905.1:2005 when used with a fire rated Lockwood mortice lock
Dimensions

Available Colour Variants
Aged Brass
1900AG
Polished Brass Unlacquered
1900BU
Chrome Plate
1900CP
Polished Brass
1900PB
Satin Chrome
1900SC
Warranty
- General Warranty: 25 years on mechanical parts and workmanship
- Keys: 12 months
- Finishes: Everbrass 25 yrs; Stainless/Chrome/Anodised 10 yrs; PVD incl. VIVID 10 yrs; Symmetry range 5 yrs; Decorative finishes (Bronze, Antique, Powdercoat) 2 yrs; natural brass ageing excluded
- Stainless Steel: Warranty excludes natural tea staining if not cleaned per care instructions
Download PDF Resources
| Lockwood Plate Door Handles Catalogue | |
| Lockwood 25 Year Mechanical Warranty |
Frequently Asked Questions
Does this include a cylinder?
No. The 1900 plate includes a cylinder hole only. Cylinders and lock bodies are supplied separately.
Is this suitable for high-use commercial doors?
Yes. The 1800 Series is designed for corporate, commercial and public spaces with high use requirements.
Are the finish options mechanically different?
No. The listed finishes are cosmetic variants only and do not change the mechanical function of the plate.
Additional Information
The 1900 configuration is typically specified where keyed cylinder access is required on one side of a door. Confirm compatibility with the selected mortice lock and ensure the complete doorset meets required performance and compliance standards.
1800 / 1900 Series Plates and Functions


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.