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PAR-1439-152-RH
Union 1439 Black Japanned 152mm R.Hand Rim Lock
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Union 1439 Black Japanned 152mm R.Hand Rim Lock
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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£81.90
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£68.25
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Description
Traditional Surface-Mounted Security with the Union 1439 Black Japanned 152mm R.Hand Rim Lock
Selecting suitable locking hardware for traditional timber doors often presents unique challenges. Many period properties and cottage-style homes feature inward opening timber doors where fitting a modern mortice lock would compromise the structural integrity of the timber frame. Morticing into narrow door stiles or older wood can weaken the joinery significantly, leading to splitting and premature wear. The Union 1439 Black Japanned 152mm R.Hand Rim Lock offers an authentic, robust solution by fixing directly onto the internal face of the door leaf. This surface-mounted design preserves the core timber while delivering dependable everyday boundary protection.
Engineered by Union, a heritage British brand renowned for lasting hardware reliability, this 152mm lock provides smooth dual-action operation. It features a key-operated deadbolt alongside a sprung latch bolt that connects seamlessly to standard rim door knobs. The rich black japanned finish provides an authentic period aesthetic that sits comfortably on heritage, barn, and rustic interior applications while offering resilient everyday corrosion protection across high-traffic households.
Designed specifically for right-handed inward opening doors, the Union 1439 eliminates common fitting misalignments by matching standard UK architectural configurations straight out of the box. Whether you are refurbishing an older property or outfitting a bespoke outbuilding, this lock bridges traditional design with practical domestic security.
Step-by-Step Installation and Operational Pipeline
Stage 1 Handing and Door Thickness Assessment
Before commencing installation, check that your timber door opens inwards and is hung on the right-hand side when viewed from inside the room. The body is engineered to accommodate standard timber doors up to 50mm thick, requiring only a clear hole for the keyway and rim knob spindle.
Stage 2 Backset Preparation and Keyway Drilling
Measure the standard 53mm backset carefully from the door edge to mark out your spindle and keyholes accurately. Once aligned, drill straight through the timber face to ensure smooth key entry from both exterior and interior sides without causing timber tear-out.
Stage 3 Secure Surface Mounting of Lock Case
Position the heavy gauge steel case directly against the internal timber face and secure firmly using suitable wood screws. For steel or composite installations, verify that specialist fixings are employed to ensure a secure anchor into the underlying core.
Stage 4 Frame Keep Alignment and Final Checks
Align the matching steel keep on the door frame so the solid brass latch and deadbolt engage without binding. Test both supplied nickel-plated steel keys from inside and outside to confirm effortless deadbolt throws and responsive latch withdrawal.
Detailed Specifications
| Specification | Technical Dimension | Practical Details |
|---|---|---|
| Case Width | 152mm | Full horizontal case size suitable for traditional cottage and ledge and brace timber doors. |
| Backset Distance | 53mm | Distance from the face plate edge to the keyhole and follower centre. |
| Maximum Door Thickness | Up to 50mm | Compatible with standard domestic and light commercial internal timber thicknesses. |
| Handing Configuration | Right Hand Only | Specifically set for inwards opening doors hinged on the right-hand side when viewed internally. |
| Locking Mechanism | 3 Lever | Reliable lever system offering domestic physical security against common picking methods. |
| Bolt Construction | Solid Brass | Corrosion-resistant brass deadbolt and brass reversible latch bolt for smooth action. |
| Protective Finish | Black Japanned (BJ) | Durable black enamel coating applied to steel case and keep for rust resistance and period styling. |
| Keying and Accessories | 2 Keys Included | Supplied with nickel-plated steel keys. Compatible with key blank KB144 and can be keyed alike with 1139. |
Key Benefits for Property Upgrades and Restorations
The timeless architecture of period homes often calls for traditional ironmongery that matches original fixtures without compromising operational reliability. The Union 1439 delivers precisely that balance. Its surface-mounted profile ensures that delicate joinery remains undisturbed, avoiding the invasive cut-outs that modern mortice latches require. This makes it an ideal fit for historic properties, rustic outbuildings, and traditional timber doors where preserving the door structure is essential.
Internally, the mechanism features solid brass components designed to withstand repeated daily cycles. Brass naturally reduces friction against the lock case, preventing the sticking or binding often experienced with cheaper domestic locks. The reversible latch bolt can be operated via standard rim knobs from either side of the door, giving residents effortless passage during daytime hours alongside positive key deadlocking whenever privacy or added security is required.
For properties with multiple access points, the mechanism can be keyed alike with the Union 1139 model, allowing you to use a single key across several internal or outbuilding doors. While not available master-keyed, the convenience of common keying across matching suites saves time and reduces key clutter on busy key rings.
Helpful Expert Fitting Tip
When installing on seasoned or hardwood doors, remember to pilot drill all screw holes beforehand. This prevents screw heads from shearing during installation and keeps the black japanned faceplate perfectly flush against the timber surface, guaranteeing smooth operation for your rim knob spindle.
Need Help Confirming Your Door Handing or Lock Specification?
If you are unsure whether this right-handed rim lock meets your exact door requirements, our experienced technical ironmongery team is ready to guide you through handing checks, backset measurements, and compatible door furniture.
Contact Our TeamSpecification
| Manufacturer | Union |
|---|---|
| Finish | Black Japanned |
| Dimensions | 152mm |