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Winkhaus WHCM24520 Cobra 2 Hook Multipoint Door Lock 45mm Backset
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Winkhaus WHCM24520 Cobra 2 Hook Multipoint Door Lock 45mm Backset
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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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£146.59
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£122.16
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Description
Reliable Perimeter Protection with the Winkhaus Cobra Multipoint System
External residential doors face continuous stress from daily operation, shifting timber frames, and changing British weather. Over time, an inadequate or failing locking mechanism can cause doors to bow away from their frames, creating noticeable draughts, rattling latches, and vulnerable points for forced entry. The Winkhaus WHCM24520 Cobra 2 Hook Multipoint Door Lock 45mm Backset provides an engineered answer to these everyday issues. Built by one of Europe's leading hardware manufacturers, this multi-point unit secures timber and composite doors along the entire vertical edge, pulling the sash tight against the weather seals every time the handle lifts.
Featuring dual high-tensile steel hookbolts, this lock counters physical attacks with exceptional resistance to spreading and jemmying. The specialised 45mm backset and 20mm radiused faceplate make it a straightforward choice for both factory fabricators and joiners carrying out on-site replacements. By choosing the Winkhaus WHCM24520 Cobra 2 Hook Multipoint Door Lock, homeowners and property managers gain reliable compression, smooth everyday handle action, and long-term peace of mind without complicated adjustments.
Key Security and Architectural Engineering Stages
Dual Forged Hookbolts
The mechanism features two heavy-duty steel hooks spaced 1490mm apart. When engaged, they extend deep into the reinforced frame keeps and lock in opposing directions, effectively anchoring the door leaf against violent forced entry attempts.
Split Spindle Functionality
Designed with dual follower capabilities, this lock accommodates split spindle lever sets. This feature allows the outside handle to remain inoperative until released by a key, preventing unauthorised latch entry while allowing free egress from inside.
Smooth Perimeter Weathersealing
As the lever handle is raised, the tapered hook design pulls the sash securely into the outer frame rebates. This uniform clamping action prevents thermal leakage, stops draughts, and counteracts the natural tendency of timber doors to twist across seasons.
Radius Profile Faceplate
Equipped with a precision 20mm radiused faceplate, the lock strip drops neatly into modern CNC-machined edge grooves. This curved design eliminates sharp corners, providing a cleaner edge finish that sits completely flush against modern door profiles.
Everyday Benefits for Modern Doors
Upgrading older domestic entry doors with modern locking mechanisms transforms how a home feels and functions. A standard single latch lock leaves the top and bottom corners of a door leaf unsupported, which often leads to rattling on windy days and gaps where warmth escapes. Installing the Winkhaus WHCM24520 Cobra 2 Hook Multipoint Door Lock distributes retaining pressure evenly along the 1770mm faceplate, ensuring balanced closing forces across the entire door height.
The central gearbox is housed in a compact 185mm case that fits comfortably within standard mortice preparations. Its 45mm backset places the key cylinder and door handles at a comfortable distance from the door edge, preventing knuckles from scraping against the frame during operation. The precision internal gearing ensures that lifting the handle feels smooth and light, even when engaging heavy-duty security hooks.
Whether you are hanging brand new custom timber entrance sets or refurbishing an existing composite door, this Winkhaus mechanism delivers the dependable performance expected by UK tradespeople. It operates seamlessly with standard euro profile cylinders, giving you total freedom to fit anti-snap, keyed-alike, or master-keyed cylinders to match your broader architectural hardware requirements.
Technical Specifications
| Specification | Rating or Standard | Practical Details |
|---|---|---|
| Brand and Range | - | Winkhaus Cobra Series |
| Backset Dimension | - | 45mm from edge of faceplate to centre of keyhole |
| Locking Points | - | 2 bi-directional forged steel hookbolts plus central latch |
| Hook Centres | - | 1490mm distance between outer hook centres |
| Overall Faceplate Length | - | 1770mm total edge strip height |
| Faceplate Profile | - | 20mm width with rounded radius ends for CNC routing |
| Main Gearbox Height | - | 185mm central case height |
| Spindle Operation | - | Split spindle mechanism suitable for lever pad arrangements |
| Security Compliance | PAS 8621 Compliant | Meets security performance requirements for domestic external exit doors |
Installation and Replacement Guidance
Before beginning installation, carefully check your existing door leaf measurements against the dimensions listed above. It is critical to confirm the 45mm backset by measuring from the front face of the lock plate to the centre of the cylinder aperture. You should also check that the 1490mm spacing between the two hooks aligns with the existing frame keep cut-outs.
The rounded 20mm faceplate allows for rapid installation using standard router tooling. Always ensure the door frame keeps are aligned cleanly before fixing the unit securely. Proper frame alignment ensures the hooks enter smoothly without binding, protecting the internal gearbox from undue strain and extending the working life of the door assembly.
Need Advice on Multipoint Door Hardware?
Our technical ironmongery team can assist with sizing confirmations, matching frame keeps, handle sets, and replacement cylinders for your project.
Contact Our TeamSpecification
| Manufacturer | Winkhaus |
|---|---|
| Guarantee | 12 Months |
| Lock Type | Multipoint |
| Lock Operation | Euro Cylinder |
| Lock Backset | 45mm |
| Lock Centres | 92mm |
| Follower Size (mm) | 8 |
| Faceplate Width | 20mm |
| Environmental Suitability | Exterior |
| Mechanism | 2 Hook, 1 Deadbolt |
| Door Material Suitability | UPVC / Timber |
| Max Door Thickness (mm) | 65 |
| Forend Finish | Stainless Steel |