The dimensions 16 x 3.5 mm most commonly refer to the internal dimensions of the buckle, crucial for strap compatibility.
| Parameter | Typical Specification | Notes / Interpretation |
|---|---|---|
| Buckle Type | Wire Buckle (or "Cord Lock") | A simple, cost-effective buckle made from bent steel wire. |
| Internal Dimensions | ~16 mm (Length) x ~3.5 mm (Width) | The slot through which the strap passes. The 3.5mm width is designed for a strap of similar thickness. |
| Material | Typically Stainless Steel (e.g., AISI 304, 316) or Carbon Steel (often zinc-plated). | Stainless steel offers superior corrosion resistance, essential for outdoor or marine cargo applications. |
| Wire Diameter | ~1.5 mm to 2.5 mm | The thickness of the wire used to form the buckle. Affects strength and durability. |
| Compatible Strap | Composite Fiber Cord Strap (e.g., PET/Polyester) | The buckle is designed to work with flat, woven cord straps without damaging the fibers. |
| Minimum Tensile Strength | Varies, but often in the range of 1,000 to 2,500 lbs (450 to 1,150 kg). | This is a critical spec. The buckle is typically the weakest point in the assembly. The strength must match the strap's break strength. |
| Function | Friction-based adjustment and locking. | The strap is fed through and tensioned; friction and the buckle's geometry lock it in place. |
🔍 How to Find Certified Specifications
Since the above are inferred specs, here is a practical guide to finding certified technical data:
Contact Specialized Manufacturers Directly
This is the most reliable method. I searched for manufacturers and found these highly relevant companies:Cordstrap Ltd.: A global leader in composite cord lashing systems. They manufacture both straps and the specific buckles and tensioners designed for them. Contacting them with your dimension requirements is highly recommended.
Andstar (Cord Strap Ltd.): Another manufacturer specializing in polyester cord straps and associated hardware.
Use Precise Search Terms
Use the following terms on industrial sourcing platforms like Alibaba, Thomasnet, or direct search engines:"16mm wire cord lock buckle"
"Polyester strap wire buckle 3.5mm"
"Cargo lashing wire buckle specifications"
"Composite cord grip buckle"
Request a Datasheet
When you identify a potential supplier or product, always request a technical datasheet or product data card. This document should provide certified values for:Working Load Limit (WLL) and Minimum Breaking Strength.
Exact material grade and finish.
Compliance with relevant standards (e.g., for cargo transport).
To help you further, would you be able to share the specific brand of the composite fiber cord strap you are using (e.g., MakoSTRAP, Cordstrap, etc.)? This would allow for a much more precise search for compatible hardware.
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