
Aluminum Sleeve-Duplex Hourglass Ferrules
Aluminum sleeve-duplex hourglass ferrules are crimped or swaged terminations for wire rope splicing, designed for secure, lightweight, and corrosion-resistant connections in lifting, rigging, and cable assemblies. The hourglass profile provides a balanced grip across the wire rope strands, and the duplex design allows for two-point attachment or dual termination. Available from 3/64 inch to 5/8 inch wire rope diameter, these ferrules are made from high-grade aluminum with a machined and extruded finish. They are us
- Size
- From 3/64" to 5/8"
- Packing
- Cartons then pack on pallets
- Catalogue Family
- Wire Rope Sleeves
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
What Aluminum Sleeve-Duplex Hourglass Ferrules Gives You
- Lightweight construction reduces overall rigging system mass without sacrificing strength
- High-grade aluminum resists corrosion in marine and outdoor environments
- Duplex hourglass shape ensures even load distribution across the wire rope strands
- Secure crimped or swaged connection prevents rope slippage under dynamic loads
- Available in a wide range of sizes to match common wire rope diameters from 3/64 inch to 5/8 inch
- Extruded and machined finish ensures consistent dimensional accuracy and surface integrity
- Reduces fatigue and wear at termination points compared to poorly fitted or mismatched sleeves
Where Aluminum Sleeve-Duplex Hourglass Ferrules Is Used
- Marine vessel rigging where wire ropes are exposed to saltwater and require corrosion-resistant fittings
- Offshore platform mooring systems using lightweight, durable terminations for dynamic load conditions
- Cranes and hoists in port operations where reduced weight improves lifting efficiency
- Temporary industrial structures using wire rope guy lines with long-term exposure to weather
- Rigging setups in mining and energy projects where lightweight yet strong connections are needed
- Cable assemblies in construction hoists and suspended platforms requiring reliable rope termination
Buyers This Product Is Built For
- Marine equipment manufacturers building winches, mooring systems, and deck fittings
- Offshore rigging contractors specifying lightweight, corrosion-resistant wire rope terminations
- Port and terminal operators managing crane and cargo handling systems
- Industrial rigging distributors stocking splicing components for field use
- Construction firms using suspended platforms and temporary lifting systems
- Cable assembly integrators building custom rigging kits for heavy-duty applications
Problems This Product Removes
- Wire rope slippage at termination points due to poor fit or weak crimping
- Excessive weight in rigging systems caused by steel or iron sleeves
- Corrosion damage in marine and coastal environments from uncoated metal fittings
- Uneven load distribution across wire rope strands leading to premature fatigue
- Need to source multiple sleeve types from different suppliers for a single rigging project
- Lack of standardized, dimensionally accurate ferrules that match wire rope diameter precisely
Technical Features
- Duplex hourglass profile for dual-point or symmetric load transfer
- Made from high-grade aluminum with machined and extruded manufacturing process
- Crimped or swaged connection method for secure wire rope retention
- Available in sizes from 3/64 inch to 5/8 inch wire rope diameter
- Surface finish consistent with extruded and machined production for dimensional stability
- Weight and size data provided per inch and mm for each model in the table
- Stamped or marked with size and material information for traceability
Aluminum Sleeve-Duplex Hourglass Ferrules Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Size Range | 3/64 inch to 5/8 inch wire rope diameter |
|---|---|
| Material | High-grade aluminum |
| Processing | Machining + Extruded |
| Shape | Duplex hourglass |
| Connection Type | Crimped or swaged |
| Weight | 0.276 to 139.78 kgs per 1000 pcs |
| Dimensions A | 1.19 mm to 14.29 mm |
| Dimensions B | 1.59 mm to 17.46 mm |
| Dimensions C | 3.18 mm to 34.93 mm |
| Dimensions D | 3.6 mm to 49.2 mm |
| Dimensions L | 5.2 mm to 49.2 mm |
Full size table on request. The catalogue publishes a full dimension and capacity table for this item. Ask on WhatsApp or by email and we will send it as a PDF.
Materials And Finishes
- High-grade aluminum used for the sleeve body
- Extruded and machined to precise dimensions for consistent fit
- No steel or iron components to avoid galvanic corrosion in marine environments
- Surface finish free of burrs and irregularities after machining
How This Product Is Made
Quality Control On Every Batch
- Dimensional tolerance check against published size table
- Visual inspection for surface defects, burrs, or misalignment
- Proof load test on production batches to validate connection strength
- Material Test Certificate to EN 10204 3.1 supplied with orders
- Traceability marking on the sleeve for field identification
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation Options
- Custom size and profile built to a supplied drawing
- Private label and OEM marking available
- Custom surface finish including powder coating or electrophoretic black
- Custom carton and pallet packing configuration
- Custom tonnage stamping on request
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| Steel ferrules | Aluminum is lighter and corrosion-resistant but has lower tensile strength; steel is stronger but heavier and prone to rust |
| Single-piece sleeves | Duplex design allows dual termination or better load balance; single-piece may not distribute stress evenly |
| Cast aluminum sleeves | Extruded and machined sleeves have tighter tolerances and consistent wall thickness; cast versions may have porosity or uneven walls |
| Crimped steel sleeves | Aluminum reduces weight and avoids galvanic corrosion but is less suitable for extreme shock loads |
How To Use And Inspect Aluminum Sleeve-Duplex Hourglass Ferrules
- Match the ferrule size to the wire rope diameter using the provided size table
- Ensure the wire rope is fully inserted into the sleeve before crimping or swaging
- Use calibrated crimping or swaging tools to achieve a secure, non-deforming connection
- Inspect the crimped area for uniform compression and no gaps or distortion
- Do not reuse a crimped ferrule after removal; always use a new one for safety
- Retire the ferrule if the sleeve shows deformation, the crimp is loose, or the marking is unreadable
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Aluminum Sleeve-Duplex Hourglass Ferrules FAQ
What sizes are available for aluminum sleeve-duplex hourglass ferrules?
Are these ferrules suitable for marine environments?
Can I get custom sizes or profiles made?
What is the difference between extruded and machined processing?
Do you supply Material Test Certificates?
How are they packed for export?
Can I have my brand name or logo on the ferrules?
Need A Quote On Aluminum Sleeve-Duplex Hourglass Ferrules
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