Description
Overview:
The UNION B-1K57A C-Series Hercules is a high-security padlock built for demanding commercial and industrial use. Its solid, hardened steel construction and concealed, vertical sliding shackle are designed to resist direct attacks and withstand harsh site conditions. The shackle is 16 mm (0.63 in) in diameter and slides vertically to limit exposure, improving resistance to cutting and levering. Rated CEN 6 and accredited Sold Secure Gold, it provides a high level of assurance for securing doors, gates, shutters, and storage. The lock is engineered to work with the UNION 7B018 padbar for increased protection on external doors and perimeter access points. Supplied with three AVA keys compatible with AVA 10 disc systems, the lock features key retention to prevent the key being removed when unlocked. Manufacturer Part Number: UNNB1K57A.
Key Features:
- CEN 6 insurance grade and Sold Secure Gold accreditation for high-security assurance
- Concealed, vertical sliding shackle minimises attack surfaces and resists bolt-croppers
- Hardened steel, unsprung 16 mm (0.63 in) shackle for strength and durability
- Robust body with corrosion-resistant finish for long service life in outdoor environments
- Anti-drill, anti-saw, anti-pick, torque- and force-resistant construction
- Key retention ensures the key cannot be removed while the padlock is open
- Supplied with 3 AVA keys; compatible with AVA 10 disc key systems
- Works with UNION 7B018 padbar for enhanced door and gate protection
- Smooth, reliable action designed for frequent daily use on busy sites
- Suitable for left- or right-hand access when paired with the correct padbar alignment
Typical Applications:
Securing site gates, roller shutters, storage containers, plant rooms, perimeter doors, workshops, tool stores, and industrial yards. Well suited to construction sites, warehouses, utilities, agricultural buildings, and transport depots where a high-security, weather-resistant padlock is required.
Also known as:
Closed-shackle padlock, vertical-shackle padlock, concealed shackle lock, container lock, shutter door lock, gate security lock, high-security disc-key padlock, anti-cut padlock, heavy-duty site padlock, hardened steel padlock.
Product Specifications
L&S Part No. | UNNB1K57A |
---|---|
Manufacturer | Union |
OEM No. | UNNB1K57A |
Unit of Sale | 1 |
Size | 57mm x 130mm x 92mm |