The Extra Heavy Duty Buckle is a high-strength wire buckle for heavy-duty steel strapping and high-tension strapping systems. Made from cold-drawn high-carbon steel wire, it is designed for heavy, rigid or irregular cargo where the strap joint must withstand high tension, vibration and dynamic load during transportation.
Key Specifications
|
Parameter |
Specification |
|
Product Type |
Extra Heavy Duty Wire Buckle |
|
Core Material |
High-Carbon Cold-Drawn Steel Wire |
|
Compatible Strapping |
Heavy-Duty Steel Strap / High-Tensile Strapping Systems |
|
Applicable Strap Width |
19–32 mm |
|
Wire Diameter |
4.0–8.0 mm |
|
Surface Treatment |
Electro-Galvanized / Hot-Dip Galvanized / Custom Anti-Rust Treatment |
|
Manufacturing |
CNC Precision Wire Forming |
Product Performance
High Load Capacity
Cold-drawn high-carbon steel wire resists deformation under high strap tension, supporting heavy-load cargo securing.
Firm Locking
Precision-formed wire geometry increases strap contact and friction, helping maintain joint tension and limit strap movement.
Shock Stability
Reinforced forming geometry maintains the locking profile under vibration and impact, reducing tension loss during transport.
Corrosion Resistance
Electro-galvanized or hot-dip galvanized surfaces protect the steel wire from moisture and corrosion during storage and transportation.
Applications
Steel & Metal: Steel coils, sheet bundles, structural beams and pipes secured on flatbed trucks or inside containers.
Machinery & Equipment: Heavy machine frames, industrial components and engine assemblies fixed to transport skids.
Construction Materials: Reinforcing bars, aluminum profiles and other dense bundled materials prepared for long-distance transport.
Timber & Forestry: High-density lumber pallets, oversized logs and engineered wood packs secured during road, rail or sea transport.
Export Cargo: Heavy, rigid or irregular loads exposed to vibration and impact during rail and maritime transportation.
Customization
Buckle Width: Custom dimensions for non-standard strap widths.
Wire Diameter: Custom gauge for specified strap and load requirements.
Inner Dimensions: Customized to match specific strap gauges and threading requirements.
Locking Geometry: Forming profile adjusted for specified strapping systems.
Surface Treatment: Electro-galvanized, hot-dip galvanized or specified anti-rust finish.
Packaging: Custom carton quantity, labels and barcodes for distributor orders.
Why Choose Us
17+ Years in Wire Buckle Manufacturing - Founded in 2009, Anpack has specialized in metal strapping buckles and cargo-securing products.
Third-Party Certification - Production and product-related certifications include DNV, AAR, SGS, TÜV and ISO9001, with applicable certificates available for verification.
Export Experience - Products are supplied to customers across Australia, Russia, Chile, UAE, Saudi Arabia, Vietnam, Turkey, Singapore, Thailand and Malaysia.
Supply Information
Packaging: Reinforced export cartons on fumigated wooden pallets; carton quantity can be configured by buckle size and order volume.
MOQ: 1 carton per standard specification.
Samples: Samples available for strap and tool compatibility testing before bulk orders.
Lead Time: 15–30 days for standard production orders.
Private Label: Carton labels, SKU, barcode and customer branding available.
Shipping: Export packing suitable for sea, rail and truck transportation.
After-Sales Support
Specification Support: Confirm buckle size, wire diameter and strap requirements for repeat orders or specification changes.
Pre-Order Testing: Provide samples for testing with the buyer's existing strap and tensioning equipment.
Quality Issue Handling: Review reported batch issues against production specifications and inspection records.
Reorder Support: Maintain agreed product specifications and packaging requirements for repeat orders.
Certificates
FAQ
Q: Are extra heavy duty buckles reusable?
A: No. These wire buckles are designed for one-time cargo securing. A new buckle should be used when re-strapping a load.
Q: What causes a buckle to slip during strapping?
A: Incorrect threading, insufficient strap tension or using a buckle that does not match the strap specification can reduce locking performance.
Q: Can I replace my current buckle supplier with the same buckle specification?
A: Yes. Provide the existing buckle size, wire diameter and strap specification so the replacement can be matched to the current securing system.
Q: How can I compare two buckle suppliers?
A: Compare material grade, wire diameter, dimensional consistency, joint-strength testing, surface treatment and batch inspection records rather than price alone.
Q: What should I check when receiving a bulk buckle shipment?
A: Check buckle dimensions, wire diameter, forming consistency, surface condition, quantity and carton identification against the approved sample or purchase specification.
Q: How should wire buckles be stored before use?
A: Keep them in their original packaging in a dry, covered area and protect them from prolonged moisture exposure to preserve the surface coating.
Q: Can buckle samples be used for supplier approval?
A: Yes. Samples can be used to verify dimensions, threading, tensioning operation and locking performance with the buyer's existing strapping setup before approving bulk supply.
Q: What documents should be requested for a new buckle supplier?
A: Request the product specification, inspection records or test reports, material information and applicable quality certificates required by your purchasing or compliance process.
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