Shackles
Crosby Wide Body Shackles
A forged alloy steel quenched and tempered wide body shackle with a broadened body profile to increase contact area with the load. This design spreads force more evenly across the attachment point, reducing stress concentrations and improving load distribution. Available in sizes from 7 Ton to 300 Ton, proof load tested, hot dip galvanized with painted pins, and marked with the working load limit for traceability.
- Catalogue Family
- Shackles
- 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.
Key Benefits
What Crosby Wide Body Shackles Gives You
- Wide body design increases contact area with the load, reducing localized stress and preventing deformation under heavy or uneven loads
- Improved load distribution across the shackle body and pin reduces wear at attachment points and extends sling and hardware life
- Hot dip galvanized finish resists corrosion in harsh environments including marine, outdoor, and industrial settings
- Proof load tested at two times the working load limit to verify structural integrity before shipment
- Working load limit stamped directly on the body for immediate field identification and compliance with rigging safety practices
- Quenched and tempered alloy steel construction provides high tensile strength and impact resistance for demanding lifting and securing tasks
- Painted pin prevents rust and maintains smooth operation in wet or humid conditions
Application Scenarios
Where Crosby Wide Body Shackles Is Used
- Heavy lifting operations in construction and infrastructure where uneven load distribution risks deforming standard shackles
- Marine and offshore rigging where saltwater exposure demands corrosion-resistant finishes and long-term durability
- Steel mill and foundry handling where high temperatures and abrasive materials accelerate wear on standard fittings
- Long-term anchoring in port and terminal operations where repeated loading and environmental exposure require robust hardware
- Industrial plant maintenance where rigging systems are exposed to dust, moisture, and vibration over extended periods
- Transport and logistics applications involving heavy cargo securing on trailers and flatbeds with variable load patterns
Who It Is For
Buyers This Product Is Built For
- Industrial rigging contractors sourcing durable shackles for high-load lifting and securing tasks
- Marine and offshore project teams specifying corrosion-resistant hardware for mooring and lifting systems
- Construction firms managing heavy structural lifts requiring reliable, long-life rigging components
- Logistics and freight operators needing durable shackles for securing heavy cargo on trucks and railcars
- Rigging distributors stocking wide body shackles as a premium alternative to standard designs
- Maintenance teams in steel and energy plants replacing worn or deformed shackles with improved load distribution
Problems It Solves
Problems This Product Removes
- Deformation and stress cracking at attachment points caused by concentrated load on narrow shackle bodies
- Premature wear and failure of slings and fittings due to uneven force distribution under heavy or off-center loads
- Corrosion damage in marine and outdoor environments from untreated or poorly coated shackles
- Inconsistent load rating visibility when working load limit is not clearly marked on the hardware
- Need to replace shackles frequently due to fatigue or surface degradation in abrasive or high-vibration environments
- Sourcing shackles with different finishes and load ratings from multiple suppliers, increasing procurement complexity
Technical Features
Technical Features
- Forged alloy steel body quenched and tempered for high strength and toughness
- Wide body profile increases load contact area and reduces stress concentrations
- Proof load tested at two times the working load limit to validate structural integrity
- Hot dip galvanized finish with painted pin for corrosion resistance and visual clarity
- Working load limit stamped on the body for traceability and compliance with rigging standards
- Standard 4:1 design factor applied unless otherwise specified, in line with rigging hardware norms
- Available in sizes from 7 Ton to 300 Ton with documented dimensions and weight per unit
- Designed for use with wire rope, chain, and synthetic slings in lifting and securing applications
Specifications
Crosby Wide Body Shackles Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 7 Ton to 300 Ton safe working load |
|---|---|
| Material | Forged alloy steel quenched and tempered |
| Design Factor | 4:1 standard unless otherwise stated |
| Proof Load Test | Two times the working load limit |
| Surface Finish | Hot dip galvanized with painted pin |
| WLL Marking | Stamped on the body for traceability |
| Dimensions | A to G and L, R, X, Y dimensions provided in inch format for each size |
| Weight | From 11.5 lbs to 1585 lbs depending on size |
| Standards Referenced | DIN 766, DIN 741, DIN 1142, DIN 1480, DIN 1478, DIN 580, DIN 582, EN 818-2, ASME B30.26, ASTM, JIS, NACM |
| Certifications | Material Test Certificate to EN 10204 3.1 supplied with orders |
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
Materials And Finishes
- Alloy steel forged into the shackle body and pin blanks for high strength and fatigue resistance
- Quench and temper heat treatment to achieve required hardness and toughness levels
- Hot dip galvanizing applied to the body to provide a thick, durable zinc coating
- Paint applied to the pin to prevent rust and maintain smooth operation
- Stainless steel components used where corrosion resistance is critical in high-moisture environments
Manufacturing Process
How This Product Is Made
1Forging of the shackle body and pin from alloy steel billets
2Quench and temper heat treatment to achieve specified mechanical properties
3Machining of the body and pin to precise dimensional tolerances
4Hot dip galvanizing of the body followed by painting the pin
5Stamping of the working load limit and manufacturer marking on the body
6Proof load testing on each production batch before packing
7Final inspection and packing for export
Quality Control
Quality Control On Every Batch
- Proof load test conducted on every batch at the published multiple of the working load limit
- Dimensional tolerance check against published size tables for each capacity
- Breaking strength validation to confirm the 4:1 design factor is met
- Visual inspection for surface defects, coating integrity, and marking legibility
- Material Test Certificate to EN 10204 3.1 issued with each order
- Third-party inspection accepted at the Qingdao warehouse before shipment
Documentation
Certification And Documentation Supplied
- Material Test Certificate to EN 10204 3.1 supplied with orders
- Working load limit stamped on the body for traceability
Customisation
Customisation Options
- Custom tonnage stamping on the body to match specific project requirements
- Private label and OEM marking available for brand-specific packaging
- Surface finish options including zinc plating, powder coating, and electrophoretic black
- Custom sizes and assemblies built to a supplied drawing
- Packing configuration tailored to carton count and pallet pattern for warehouse or retail use
Compare
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 |
|---|---|
| Standard shackle | The wide body design reduces stress concentration and improves load distribution, but it is bulkier and heavier than a standard shackle |
| Screw pin shackle | The bolt and nut configuration is more secure under vibration, but the wide body shackle has a larger profile and may not fit in tight spaces |
| Pinless shackle | The bolt and nut system allows for easier field inspection and removal, but adds more moving parts compared to a pinless design |
| Stainless steel shackle | The galvanized finish offers good corrosion resistance at lower cost, but stainless steel is better for highly aggressive chemical environments |
Use Guide
How To Use And Inspect Crosby Wide Body Shackles
- Always inspect the shackle before each use for deformation, cracks, or coating damage
- Verify the working load limit stamped on the body matches the calculated load in your rigging setup
- Ensure the pin is fully seated and secured with the nut and cotter pin if applicable
- Avoid side loading the shackle; keep the load aligned with the bow and pin axis
- Do not exceed the rated capacity even under short-term dynamic loads
- Retire the shackle if the body shows permanent deformation, the pin is damaged, or the marking is illegible
- Clean and reinspect after exposure to saltwater, chemicals, or abrasive environments
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Answers
Crosby Wide Body Shackles FAQ
What is the design factor for these wide body shackles?
A standard 4:1 design factor applies unless otherwise stated. This means the minimum breaking load is four times the safe working load, in line with rigging hardware norms.
Are these shackles proof load tested?
Yes. Each batch is proof load tested to verify structural integrity before shipment. Breaking strength is validated to meet the 4:1 design factor.
What finish is applied to the shackle and pin?
The body is hot dip galvanized for corrosion resistance. The pin is painted to prevent rust and maintain smooth operation. Custom finishes like powder coating or electrophoretic black are available.
Can I get a Material Test Certificate with my order?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied with every order. It confirms the material composition and mechanical properties of the alloy steel used.
Is the working load limit marked on the shackle?
Yes. The safe working load is stamped directly on the body for immediate identification in the field, ensuring traceability and compliance with safety standards.
Can you customise the tonnage stamping and branding?
Yes. Custom tonnage stamping, private label marking, and OEM packaging are standard options. We also offer custom finishes and sizes built to your drawing.
How are the shackles packed for export?
Standard packing is cartons on pallets. We can configure the carton count and pallet pattern to suit your warehouse or retail pack. Goods can be held in our Qingdao warehouse free for two months.
Need A Quote On Crosby Wide Body Shackles
Send the sizes, the finish and the quantity on WhatsApp or by email. You get a priced reply within 24 hours and a straight answer on stock.
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