↵The Multi Purpose Cord Strap Buckle is a high-tensile steel wire buckle for woven polyester, composite and hot-melt cord strapping. It forms a mechanical friction joint when the tensioned strap is threaded through the buckle, providing a fastening solution for industrial cargo securing, load unitization and export packaging.
Key Specifications
|
Parameter |
Specification |
|
Material |
High-Tensile Carbon Steel |
|
Buckle Size |
13, 16, 19, 25, 32, 40, 50 mm |
|
Wire Diameter |
3.0–7.0 mm |
|
Compatible Strapping |
Woven Cord Strapping / Composite Strapping / Hot-Melt Strapping |
|
Surface Treatment |
Hot-Dip Galvanized / Electro-Galvanized |
|
Breaking Load |
Up to 2,500 daN, depending on size and wire diameter |
Joint Performance
The formed wire structure creates a mechanical friction joint with multiple strap contact points, allowing the buckle to retain the applied tension during handling and transportation. Its multi-purpose design supports different polyester cord strapping constructions while maintaining a stable strap-to-buckle connection under load.
Product Features
Strong Grip: The formed wire geometry creates multiple contact points with the cord strap, increasing friction across the joint and reducing strap movement under tension.
Stable Form: Cold forming gives the high-tensile steel wire a controlled shape, allowing the buckle to maintain its gripping geometry during repeated tensioning and load application.
Fast Locking: The self-locking wire structure secures the tensioned strap directly through friction, eliminating the separate crimping or heat-sealing step required by other fastening methods.
Corrosion Resistant: Galvanized surface treatment forms a protective zinc layer over the steel, helping the buckle withstand moisture exposure during storage and transportation.
Strap & Tool Compatibility
Strap Compatibility: Designed for woven polyester, composite and hot-melt cord strapping.
Tensioning Tools: Compatible with manual and pneumatic cord strap tensioners for applying strap tension before locking.
Width Matching: Select the buckle width to match the cord strap width for proper strap engagement.
Installation: The strap is threaded through the buckle and tensioned directly; no heat-sealing or metal sealing operation is required.
Applications
Intermodal Cargo: Palletized goods, crates and break-bulk cargo secured for road, rail and sea transport.
Steel & Metal: Steel coils, metal pipes, aluminum profiles and bundled metal products requiring high-tension restraint.
Timber & Building Materials: Lumber packs, structural timber, plywood and other bundled construction materials.
Machinery & Equipment: Generators, machinery and fabricated equipment secured in export crates or on flatbed trailers.
Customization
|
Item |
Available Options |
|
Buckle Size |
Non-standard widths beyond the standard 13–50 mm range |
|
Wire Diameter |
Custom gauge from the required load specification |
|
Surface Treatment |
Hot-dip galvanized / electro-galvanized / specified finish |
|
Packaging |
Custom carton quantity, pallet configuration and carton markings |
|
Private Label |
Logo, SKU, barcode and branded packaging |
Quality Control
Tensile Test: Finished buckles are subjected to load testing to verify the actual breaking load of the formed wire structure and confirm that the buckle meets the specified strength level.
Dimensional Inspection: Buckle width, wire diameter, inner opening and formed-wire geometry are measured against production specifications to ensure consistent strap engagement and tool compatibility.
Coating Inspection: Galvanized buckles are checked for coating coverage and surface defects to identify exposed steel areas that could accelerate corrosion during storage or transportation.
Corrosion Test: Representative samples undergo salt-spray exposure to evaluate the corrosion resistance of the galvanized surface before shipment.
Final Inspection: Finished batches are checked for deformation, cracks, sharp edges, coating defects and quantity before packing and shipment.
Packaging & Supply
Carton Quantity: 13 / 16 / 19 mm - 1,000 pcs/carton; 25 mm - 500 pcs/carton; 32 mm - 250 pcs/carton. Larger sizes can be packed according to order requirements.
Pallet Packing: Cartons are secured on reinforced wooden pallets with moisture protection for export shipment.
Carton Identification: Size, quantity, batch number and gross weight can be marked on each carton.
MOQ: 1 carton per standard size for regular specifications.
Samples: 10–20 pcs per size for pre-order compatibility testing.
Lead Time: 15–25 days for standard orders.
Shipping: Sea freight for bulk orders; air freight for samples and small trial orders.
RFQ Information
For an accurate quotation and product selection, please provide:
Strap Type & Width: Woven, composite or hot-melt cord strap and its width.
Required Load: Strap breaking strength, required joint strength or cargo load.
Buckle Size: Required buckle width, if already specified.
Quantity: Required quantity by size or estimated annual volume.
Packaging: Standard carton packing or required pack quantity and labeling.
Application: Cargo type and transport conditions when the required buckle specification has not yet been determined.
Certificates
FAQ
Q: Can cord strap buckles be used for different strap grades?
A:Yes. The buckle can be used across different polyester cord strap grades when the strap and buckle are correctly matched for the required securing load.
Q: Can one buckle specification be standardized for multiple cargo types?
A: Yes. Buyers can standardize a buckle specification across multiple cargo applications when the same strap system and load requirements are used.
Q: How can I verify buckle compatibility before placing a bulk order?
A: Request samples and test them with your actual cord strap and tensioning equipment before approving the production specification.
Q: Can I use a different buckle supplier with my existing cord strapping system?
A: Yes. Check the buckle width, wire construction and joint performance against your existing strap specification before changing suppliers.
Q: What should distributors check when sourcing cord strap buckles?
A: Check dimensional consistency, joint strength, surface protection, packaging specification, batch traceability and the supplier's available test documentation.
Q: Can cord strap buckles be stored for long periods before use?
A: Yes. Store them in a dry, covered area and keep the cartons sealed until use to reduce moisture exposure and surface corrosion.
Q: Can the same buckle SKU be supplied repeatedly for distributor orders?
A: Yes. Standardized buckle specifications can be maintained by size, wire diameter, surface treatment and packaging configuration for repeat orders.
Q: What documents should be requested for bulk procurement?
A: Request the relevant product specifications, test reports, inspection records and quality-system documentation required by your supplier-qualification process.
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