LIANQIU Heavy-Duty Security Padlock with Hardened Steel Shackle & 3 Keys (32mm, 38mm, 50mm, 63mm, 75mm)
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The LIANQIU Heavy-Duty Security Padlock Series is designed to deliver robust physical protection and security for residential, commercial, and industrial enclosures. Constructed with a solid metallic body finished in a polished brass coating, each padlock features a hardened steel shackle designed to resist cutting, sawing, and prying attacks. Equipped with a high-security pin tumbler locking cylinder and accompanied by 3 matching cross-type keys for smooth operation and enhanced key duplication protection. Available in five body width sizes ranging from compact 32mm up to extra-large 75mm to suit various locking requirements.
Variant Specifications Table
| Body Width | Shackle Material | Body Finish | Keys Included | Primary Applications |
| 32 mm | Hardened Steel | Polished Brass Finish | 3 Keys | Toolboxes, lockers, small cabinets, luggage, backpacks |
| 38 mm | Hardened Steel | Polished Brass Finish | 3 Keys | Storage sheds, chain locks, utility boxes, residential gates |
| 50 mm | Hardened Steel | Polished Brass Finish | 3 Keys | Warehouse doors, commercial gates, security chains, shutters |
| 63 mm | Hardened Steel | Polished Brass Finish | 3 Keys | Heavy-duty perimeter gates, cargo containers, site storage |
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75 mm
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Hardened Steel |
Polished Brass Finish |
3 Keys |
Maximum security for industrial gates, store shutters, site enclosures |
Key Features & Standards
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Brand: LIANQIU®
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Product Type: Heavy-Duty Security Padlock
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Available Sizes: 32mm, 38mm, 50mm, 63mm, and 75mm
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Body Material: Solid Metal Core with Brass-Plated Protective Finish
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Shackle: Hardened Chrome-Plated Steel Arch Shackle
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Keying: Includes 3 Precision Matching Keys per Lock
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Lock Mechanism: Pin Tumbler Cylinder with Dual Locking Heel
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Applications: Securing gates, doors, storage units, toolboxes, site containers, roller shutters, and chain links