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PAR-21EUS-SS-63-DL
Union Strongbolt Euro Deadlock J21EUS Satin Stainless 63mm
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Union Strongbolt J21EUS Satin Stainless 63mm Euro Deadlock CE Marked
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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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£16.79
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£13.99
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Description
Reliable Timber Door Security with the Union Strongbolt Euro Deadlock J21EUS 63mm
Specifying ironmongery for modern timber doors demands a balance between strong physical security, straightforward carpentry, and verified fire performance. When standard lockcases are retrofitted, joiners frequently encounter oversized mortice pockets or faceplates that require extensive chisel work, which weakens the door edge. The Union Strongbolt Euro Deadlock J21EUS Satin Stainless 63mm solves these practical problems by offering an intelligent footprint engineered to fit the common UK mortice preparations without unnecessary woodwork.
This commercial grade deadlock operates alongside any standard euro profile cylinder, giving you total freedom to choose keyed alike suites, master keyed systems, or thumbturn cylinders. With an anti-saw deadbolt, a chamfered bolt head that resists side load forcing, and robust steel construction, it provides robust physical deterrence. At the same time, the satin stainless steel forend presents a clean, modern aesthetic that blends seamlessly into both corporate office interiors and residential properties.
In addition to external attack resistance, building managers must guarantee compliance with safety mandates. This lock is tested to rigorous British and European standards, holds full CE markings, and carries third-party Certifire accreditation for use on standard fire doors. Whether you are replacing tired hardware across an educational campus or securing entrance suites in a residential development, it delivers dependable mechanical performance day after day.
Stage by Stage Architectural Implementation
Stage 1 Simplified Door Preparation
Carpenters benefit from the radius inner forend and standardized case dimensions. The casing fits standard UK mortice cutouts directly, which reduces installation time and preserves structural timber integrity across door leaves up to 54mm thick.
Stage 2 Euro Cylinder Integration
The deadlock accepts any standard euro profile cylinder. Facilities managers can specify single cylinders, cylinder and thumbturn sets, or tie the lock into intricate multi tier master key systems without swapping the internal mortice case.
Stage 3 Physical Attack Resistance
A 14mm positive throw deadbolt houses hardened steel rollers to defeat hacksaw attacks. The chamfered head design resists heavy lateral force, deflecting crowbars and jemmy blades during attempted forced entry.
Stage 4 Certified Building Protection
Fully tested for designated fire barriers, this deadlock holds Certifire approval for both 30 minute and 60 minute timber fire doors. When installed alongside suitable intumescent wraps, it prevents premature thermal breakdown across critical evacuation corridors.
Key Architectural Advantages
- Universal Handing Reversible configuration fits either left or right hinged timber doors without complicated adjustments.
- Compact Footprint The 68mm case depth with a 45mm backset fits comfortably on narrow timber stiles without encroaching on decorative mouldings or glazing beads.
- Hardened Protection Case hardened steel pins placed inside the deadbolt resist aggressive attack from manual sawing.
- Premium Faceplate Finish High grade satin stainless steel forend and matching strike plate offer exceptional resistance to tarnishing and everyday surface wear.
- Protective Case Enclosure Red powder coated steel body prevents airborne moisture and workshop debris from interfering with the internal movement.
Technical Specifications
| Specification | Rating or Standard | Practical Details |
|---|---|---|
| Lock Case Dimensions | 68mm depth, 89mm height | Commonly referred to as a standard 2.5 inch mortice case size |
| Backset Distance | 45mm backset | Measured from the outer faceplate edge to the cylinder centre |
| Mechanical Security Standard | BS EN 12209:2003 Certified | Independently assessed for physical strength and operational durability |
| Fire Door Compliance | Certifire Approved | Tested for 30 and 60 minute fire timber applications with intumescent |
| Regulatory Marking | CE Marked | Meets all essential European safety, health, and environmental rules |
| Deadbolt Throw and Feature | 14mm positive throw | Includes anti-saw steel rollers and chamfered side load resistance |
| Forend and Strike Plate | 134mm x 26mm faceplate | Finished in matching satin stainless steel with radius inner profile |
| Door Compatibility | Up to 54mm thickness | Compatible with timber doors hung on either the left or the right |
Installation Guidance and Best Practices
Proper preparation ensures that the lock performs smoothly across years of heavy service. When morticing the door edge, confirm that the mortice pocket is cut cleanly and vertically to prevent binding on the steel body. Because this deadlock features an intelligent radius inner forend, joiners can use standard mortice routing jigs without squaring every interior corner with a chisel.
If fitting the lock within an FD30 or FD60 designated fire barrier, ensure that suitable intumescent protection is wrapped around the mortice case and behind the faceplate in strict accordance with the building fire strategy. The cylinder should always be secured firmly through the designated retaining screw hole, aligning the cam smoothly with the internal driving mechanism so that key turning feels effortless from both sides of the door.
Need Help Specifying the Right Lockcase?
Selecting correct backsets, matching cylinders, and coordinating fire ratings across a building schedule can be complicated. Our team of architectural ironmongery specialists is available to review your project drawings, verify master keying requirements, or help find the exact replacement for existing mortices.
Contact Our TeamSpecification
| Manufacturer | Union |
|---|---|
| Finish | Satin Stainless Steel |
| Guarantee | 10 Year |
| Lock Type | Mortice Deadlock |
| Lock Operation | Euro Cylinder |
| Lock Backset | 45mm |
| Follower Size (mm) | N/A |
| Faceplate Width | 26mm |
| Environmental Suitability | All |
| Mechanism | 1 Dead Bolt |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 54 |
| Forend Finish | Stainless Steel |
