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.
Usually ships in 11 business days
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
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.
Mechanical: 25 years. Electrical/electronic: 2 years (excl. batteries).
- Brass Finishes: Up to 5 years (varies by finish type)
- Chrome Finishes: Up to 10 years
Lockwood Warranty Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods 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.
- Decorative finishes including 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 will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common 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.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.



