Lockwood 4906 Square End Plate with Turn
The Lockwood 4906 Square End Plate with Turnknob features a slimline rectangular brass plate (185 x 26 x 11.5mm) with square ends and turnknob only. This interior plate provides turn operation without lever, ideal for bathroom privacy locks, bedroom privacy applications, or where turn-only operation is required. Available in multiple decorative finishes.
The turnknob features a unique adjustable tailbar mechanism that automatically adjusts the length of the tail bar to suit door thickness, ensuring proper operation across the supported door thickness range. Brass construction ensures durability and corrosion resistance. Designed, assembled and customised in Australia to suit the Australian market.
Estimated Warehouse Dispatch
Usually ships in 11 business days
Usually ships in 11 business days
Special Order - Non-Returnable Item
Please confirm finish and suitability before ordering. This is a made-to-order item with multiple finish options.
Please confirm finish and suitability before ordering. This is a made-to-order item with multiple finish options.
Available Finish Options
Aged Brass
AG
Chrome Plate
CP
Satin Chrome Brushed
SC
Fire Rated
- Fire rated up to 4 hours - AS1905.1:2005 with fire-rated Lockwood mortice lock on fire door assemblies. Fire performance is dependent on doorset type and configuration. Compliance is system-based and limited by the FRL of the complete doorset assembly.
Key Features
- Slimline rectangular brass plate - 185 x 26 x 11.5mm with square ends
- Lockwood 4906 Series - Interior plate with turnknob only (no lever)
- Available in Aged Brass, Chrome Plate, and Satin Chrome Brushed
- Turnknob features unique adjustable tailbar mechanism
- Automatically adjusts tail bar length to suit door thickness
- Brass construction for superior durability and corrosion resistance
- Ideal for bathroom privacy, bedroom privacy, or turn-only applications
- Door thickness range: 32-50mm standard (fixing screws included)
- Back-to-back fixing design - pairs with exterior plate
- Fire rated up to 4 hours when installed with fire-rated Lockwood mortice lock (AS1905.1:2005)
- Level D8 durability testing - 500,000 cycles (AS4145.2-2008)
- Designed, assembled and customised in Australia
- Compatible with Lockwood 3780/3580 Series mortice locks
- 25-year mechanical warranty
Full Specifications
Plate Dimensions & Specifications
Plate dimension drawing - 185 x 26 x 11.5mm slimline rectangular brass plate with square ends.
Standards and compliance - fire rating up to 4 hours, Level D8 durability (500,000 cycles), Level C10 corrosion resistance.
Application guide - designed for use with Lockwood Selector/Synergy mortice locks and 3540 Series short backset deadbolts.
Product details - door thickness range 32-50mm, dimensions, fixing methods, handing, decorative finishes, and adjustable tailbar turn functions.
Item Codes
Helpful Tips
- Turnknob Only Design: The 4906 plate features turnknob only with no lever. Ideal for interior privacy applications such as bathrooms and bedrooms where turn operation is required without lever handle.
- Adjustable Tailbar: Turn functions feature a unique mechanism that automatically adjusts the length of the tail bar to suit door thickness. This ensures proper operation without manual adjustment.
- Interior Plate: This is an interior plate designed to pair with an exterior plate. Commonly paired with exterior lever and cylinder configurations for complete privacy lock operation.
- Privacy Applications: Ideal for bathroom privacy locks, bedroom privacy, toilet cubicles, or any interior application requiring turn-only operation.
- Finish Selection: Available in Aged Brass (AG), Chrome Plate (CP), and Satin Chrome Brushed (SC). Select finish to match or coordinate with exterior plate.
- Fire Rating: Fire rated up to 4 hours when installed with fire-rated Lockwood mortice lock on fire door assemblies in accordance with AS1905.1:2005.
- Non-Returnable Item: This is a made-to-order item. Please verify all specifications and finishes before ordering.
Lockwood Warranty (Australia)
Mechanical: 25 years. Electrical/electronic: 2 years (excl. batteries).
Mechanical: 25 years. Electrical/electronic: 2 years (excl. batteries).
Finish Warranty Guide:
- Brass Finishes: Up to 5 years (varies by finish type)
- Chrome Finishes: Up to 10 years
Cosmetic finishes, batteries, normal wear and tear, misuse, unauthorised modification, corrosion and labour or freight costs are excluded.
This warranty operates in addition to rights under the Australian Consumer Law.
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
For full returns and warranty claim procedures, visit our Returns & Warranty page - this is kept up to date and is the authoritative reference for current claim steps.
- 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.
Australian Consumer Law
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.
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.
