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CHU1K21
Union 1K21 70Mm Cruiser Padlock 2Keyed 5Lever (Chubb At Heart)
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Union 1K21 70Mm Cruiser Padlock 2Keyed 5Lever (Chubb At Heart)
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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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£294.65
Incl. VAT
£245.54
Excl. VAT
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Description
Union 1K21 70Mm Cruiser Padlock 2Keyed 5Lever (Chubb At Heart)
When security is your primary concern, you require hardware that does not compromise on build quality or internal complexity. The Union 1K21 70Mm Cruiser Padlock 2Keyed 5Lever (Chubb At Heart) represents a pinnacle of traditional locking engineering, combining heavy-duty physical construction with the intricate precision of a 5-lever locking mechanism. This is not merely a tool for holding a chain in place. It is a formidable barrier designed to withstand significant environmental and physical challenges over many years.
At Doorfit, we understand that professional-grade security relies on the integrity of the internal components. By utilising a design philosophy that mirrors the legendary Chubb security standards, this unit provides a level of pick resistance and shear strength that standard consumer-grade padlocks simply cannot emulate. Whether you are securing industrial gates, heavy storage containers, or restricted access areas, this item provides the robust peace of mind you expect from a heritage security brand.
Mechanical Physics and Structural Integrity
The operational success of this padlock lies in the relationship between its hardened shackle and the internal lever stack. When a force is applied to the shackle in an attempt to pull it free from the body, the internal mechanism must withstand substantial tension without suffering structural deformation. The casing acts as a housing unit that manages the distribution of stress, ensuring that the force is redirected away from the delicate locking points.
Because the internal levers are machined to high tolerances, the alignment required to retract the bolt is exceptionally precise. This prevents the lock from suffering from component flex, which is a common point of failure in cheaper hardware alternatives. The materials chosen for the internal stack ensure that even under high torque, the pins remain seated correctly, preventing unauthorised movement that would otherwise lead to failure under stress.
Step by Step Operational Workflow
Interacting with this locking device is a tactile experience that highlights its mechanical reliability. Understanding the correct procedure ensures that you maximise the lifespan of the keys and the internal cylinder.
- Insert the provided key slowly into the lock face until it reaches the base of the chamber.
- Rotate the key clockwise with a steady and firm motion to engage the internal lever stack and retract the spring-loaded bolt mechanism.
- Once the shackle is fully released, you can remove the padlock from your chain or locking point.
- To re-secure the unit, simply push the shackle back into the lock body until you hear an audible click, which indicates the levers have dropped back into the locked position.
- Always remove the key after ensuring the shackle is fully seated to prevent debris from entering the cylinder housing.
Ergonomics, Safety, and Operational Compliance
We often overlook the physical impact of hardware on the end-user. This model is designed with an ergonomic grip that makes it easy to handle even when the user is wearing heavy gloves or working in low-light environments. The smooth rotation of the key reduces wrist strain and prevents the repetitive stress that can be caused by faulty or stiff mechanisms.
In a commercial or professional setting, safety compliance is non-negotiable. Using high-quality locks ensures that your site meets strict insurance requirements regarding the protection of high-value assets. By selecting equipment that is built for durability, you prevent the operational errors that occur when a cheap lock jams during an emergency or at the start of a busy shift.
Commercial ROI and Long Term Value
Investing in a premium security solution is a logical business decision that pays dividends over time. While the upfront cost may be higher than entry-level products, the long term savings are substantial. You reduce the need for frequent replacement cycles, which effectively lowers your ongoing maintenance overheads. Furthermore, the robust nature of this hardware acts as a psychological deterrent to intruders, protecting your property from theft and preventing the massive indirect costs associated with security breaches.
Technical Specifications
This hardware is engineered to meet specific physical standards. Please refer to the table below for a comprehensive overview of the measurements and construction details that make this padlock a superior choice for your security needs.
| Feature | Specification |
|---|---|
| Product Name | Union 1K21 Cruiser Padlock |
| Mechanism Type | 5-Lever Chubb-style |
| Shackle Size | 70mm Heavy Duty |
| Keys Supplied | 2 Keys included |
| Body Material | Hardened Steel Alloy |
| Usage | Outdoor and Indoor Security |
Expert Tip: To maintain the longevity of your Union 1K21 70Mm Cruiser Padlock 2Keyed 5Lever (Chubb At Heart), we recommend applying a light graphite-based lubricant to the keyway once every six months to ensure the lever stack continues to operate with factory-smooth precision.
Applications and Suitable Materials
The versatility of this item makes it suitable for a wide range of environments. Because the finish is resistant to corrosive elements, it performs exceptionally well in external applications where humidity or salt-air exposure is common. It is the ideal choice for securing steel shutter doors on shop fronts, heavy-duty chains securing construction machinery, or perimeter gates at remote facilities.
The thick shackle design is compatible with almost all standard industry chains, making it a universal solution for your site management. When used with high-tensile steel chains, the entire system becomes a highly resilient barrier that resists bolt cutters and saw attacks. You are choosing a security solution that treats the protection of your assets as a priority, ensuring that your property remains accessible to you and protected from those who would seek to breach your site security.
Finally, we encourage you to inspect your security setup regularly. Hardware is only as strong as its weakest point. By integrating this 5-lever unit into your current inventory, you are significantly hardening your perimeter. Feel confident that your assets are guarded by professional-grade technology that has stood the test of time in some of the most demanding environments imaginable. If you have questions regarding compatibility with your existing chains or specific site requirements, our team at Doorfit is always available to provide guidance on the best security configurations.
Choose quality, choose durability, and secure your premises today with the trust that only genuine, high-specification locking technology can provide. Whether you are upgrading your home garage or securing a commercial fleet, the peace of mind offered by this unit is unparalleled. It is truly the gold standard for reliable, manual locking mechanisms.
Specification
| Manufacturer | Union |
|---|---|
| Guarantee | 10 Year |
| Body Width (mm) | 74 |
| Body Thickness (mm) | 27 |
| Shackle Diameter (mm) | 12.5 |
| CEN Rating | N/A |