Introduction
The whale tail lock is a highly reliable locking mechanism widely utilized across various heavy-duty vehicle applications. Originally designed for aluminum toolboxes on special trucks, its robust construction and secure locking system have led to expanded use in off-road modified trailers, large engineering vehicles, and container trucks. Its weather-resistant features also make it an ideal choice for refrigerated carriers and commercial vans that demand dependable security under harsh environmental conditions.
Engineered to withstand vibrations, extreme temperatures, and corrosive elements, the whale tail lock ensures long-term durability and smooth operation, significantly reducing maintenance requirements and downtime.
Product Data
Lock Type |
Panel lock |
Material |
Zinc alloy, precision die-cast for enhanced strength |
Weight (kg) |
1.3 |
Surface Treatment |
High-quality chroming for corrosion resistance |
Lock Cylinder Type |
Blade type for secure engagement |
H Value (Panel Thickness) |
29–53 mm adjustable |

Key Features
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Robust Construction: Zinc alloy body ensures high mechanical strength and durability.
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Corrosion Resistant: Premium chroming surface treatment extends product life in harsh environments.
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Secure Locking: Blade-type cylinder enhances anti-tampering capabilities.
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Adjustable Panel Compatibility: Fits panels with thickness from 29 to 53 mm, offering versatile installation options.
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Smooth Operation: Engineered for easy locking/unlocking even after prolonged outdoor use.
Installation Guidelines
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Measure and mark the cutout position on the panel according to the lock’s base dimensions.
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Cut the panel opening carefully to ensure a snug fit.
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Insert the lock body and secure it with screws or bolts supplied.
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Connect the latch or locking mechanism to ensure proper engagement.
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Optionally, apply a sealing gasket to improve water and dust resistance.
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Test the lock multiple times to confirm smooth and secure operation.
Proper installation is critical to maintain the lock’s performance and longevity, especially in high-vibration or outdoor applications.
Application Scenarios
The whale tail lock is widely used in sectors requiring secure, reliable locking solutions, such as:
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Aluminum toolboxes on special-purpose trucks
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Doors and compartments of off-road modified trailers
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Access panels on large engineering vehicles and container trucks
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Refrigerated carriers and commercial delivery vans
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Mobile workshops and utility vehicles requiring secure storage

Customization Options
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Surface Finishes: Available in standard chroming, black powder coating, or custom colors.
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Lock Cylinder Types: Blade type standard, with options for pin-tumbler or high-security cylinders.
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Keying Options: Keyed alike, keyed differently, or master-key systems tailored to your fleet.
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Branding: Optional logo engraving or laser marking for product identification.
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Packaging: Customized packaging solutions including labeling and protective inserts.
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