Professional Cord Strap Buckle is a steel wire fastening component for woven polyester, composite polyester and Cordlash strapping systems. Formed from high-tensile carbon steel, it locks the tensioned strap through a mechanical friction connection for heavy-duty cargo securing.
Key Specifications
|
Parameter |
Specification |
|
Material |
High-Tensile Structural Carbon Steel |
|
Compatible Strapping |
Woven Cord Strapping / Composite Cord Strapping / Cordlash |
|
Available Sizes |
13, 16, 19, 25, 32 mm |
|
Surface Treatment |
Hot-Dip Galvanized / Electro-Galvanized / Phosphated |
|
System Breaking Strength |
300 kg to over 2,500 kg, depending on strap selection |
Product Features
High Joint Strength: Formed wire geometry grips the tensioned strap at multiple contact points to maintain the mechanical connection under load.
High-Tensile Steel Construction: Made from high-tensile structural carbon steel and cold-formed to maintain the required buckle shape during tensioning.
Controlled Wire Geometry: Formed wire dimensions and contact geometry provide consistent strap engagement across the buckle.
Surface Protection: Available galvanized and phosphated finishes protect the steel surface during storage and transportation.
Strap Compatibility & Installation
The buckle is available for 13, 16, 19, 25 and 32 mm cord strapping, including woven polyester, composite polyester and Cordlash straps.
The strap is threaded through the buckle and tensioned with a manual or pneumatic tensioner. The buckle secures the tensioned strap through its formed wire structure.
Applications
Container Cargo: Crates, drums, machinery and palletized loads secured inside sea containers.
Timber & Lumber: Timber packs, plywood and bundled wood products requiring strap tension during transport.
Steel & Metal: Pipes, structural sections, metal bundles and other rigid loads requiring high-tension strapping.
Industrial Packaging: Heavy cartons, crates and unitized loads requiring additional restraint during storage and transportation.
Customization
|
Item |
Available Options |
|
Non-Standard Size |
Custom buckle width, inner width and overall dimensions for non-standard strap specifications |
|
Wire Diameter |
Custom wire diameter based on required buckle strength and strap width |
|
Surface Treatment |
Hot-dip galvanized, electro-galvanized or phosphated finishes |
|
Packaging |
Custom carton quantity, pallet configuration and export carton markings |
|
Private Label |
Customer logo, SKU, barcode and product identification on cartons or labels |
|
Product Identification |
Size marking, batch/lot number and customer-specific identification |
Certificates & Testing
Relevant quality and product verification documents are available for supplier qualification and cargo-securing system evaluation:
AAR Open Top Loading Rules Verification - Verification related to polyester strapping and buckle systems used for open-top rail cargo.
DNV Prototype Test Certificate - Testing documentation for composite lashing strap and polyester woven lashing strap systems used in cargo securing.
SGS Test Report - Third-party test documentation for specified strapping and buckle products.
ISO 9001:2015 - Quality management system certification covering the production of polyester packing belts and metal buckles.
Packaging & Supply
|
Packing Quantity |
13 / 16 / 19 mm - 1,000 pcs/carton; 25 mm - 500 pcs/carton; 32 mm - 250 pcs/carton. |
|
Pallet Packing |
Approximately 48–100 cartons/pallet, depending on buckle size and carton weight. |
|
MOQ |
1 carton per size for standard specifications. |
|
Samples |
10–20 pcs per size for pre-order compatibility and tensioning tests. |
|
Lead Time |
15–25 days for standard orders. |
|
Shipping |
Sea freight for regular bulk orders; air freight for samples and small trial orders. |
Certificates
FAQ
Q: What is the difference between a cord strap buckle and a metal strapping buckle?
A: Cord strap buckles are formed specifically for polyester cord strapping and provide a mechanical connection suited to woven and composite strap systems.
Q: How does a cord strap buckle affect joint efficiency?
A: The buckle transfers tension between the strap sections through its wire contact points. Correct strap threading and tensioning are essential for maintaining the designed joint strength.
Q: Should the buckle strength match the strap strength?
A: Yes. The buckle and strap should be specified as a matched securing system so the connection does not become the limiting component.
Q: What should I check when sourcing cord strap buckles in bulk?
A: Check material, strap compatibility, buckle dimensions, surface finish, joint-strength requirements, packaging quantity and test documentation before placing a production order.
Q: Can one buckle specification be standardized across different strap grades?
A: Not necessarily. Different strap widths and grades can have different tension and strength requirements, so the buckle specification should correspond to the selected strap system.
Q: What information should I provide when requesting a buckle quotation?
A: Provide the strap width, strap type, required quantity, surface finish and packaging requirements. A product drawing or existing buckle sample can also be supplied for matching.
Q: How should cord strap buckles be stored before use?
A: Store buckles in a dry, covered area and keep cartons protected from water and prolonged outdoor exposure.
Q: What documents can be requested for supplier qualification?
A: Relevant test reports, certificates and product documentation can be requested for supplier approval and cargo-securing system verification.
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