Snatch Blocks
Snatch Block with Shackle HDG/ RED Lifting Marine Pulleys
A heavy-duty snatch block with a swiveling frame and shackle, designed for high-load rigging, towing, and recovery. It redirects winch lines and increases pulling capacity by doubling the force. Available in sizes 3'' to 8'' with working load limits from 1.5T to 8T. The sheave is mounted on a rotating frame with a forged steel shackle for secure anchoring. Zinc-plated or red-painted finish for corrosion resistance in marine and outdoor environments.
- Size
- 3'' 1.5T 4'' 3T 5'' 4.5T 6'' 6T 8'' 8T
- Catalogue Family
- Snatch Blocks
- 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 Snatch Block with Shackle Hdg Gives You
- Swiveling frame allows free rotation to align with the load direction, reducing side loading and friction
- High working load limit (1.5T to 8T) supports heavy-duty lifting and recovery operations
- Forged steel shackle with swivel pin provides secure attachment to anchor points
- Large sheave diameter (4mm to 18mm rope capacity) reduces rope wear and heat build-up
- Zinc-plated or red-painted finish resists rust and corrosion in marine and outdoor service
- Compact design replaces multiple rigging components in a single unit
- Reduces line drag and increases winch efficiency by allowing smooth redirection
Application Scenarios
Where Snatch Block with Shackle Hdg Is Used
- Off-road vehicle recovery where a winch line is doubled back using a snatch block to increase pulling force
- Marine anchor handling and sail hoisting where lines must be redirected under high tension
- Construction site lifting of heavy steel beams and machinery using a winch and pulley system
- Industrial rigging setups where a single block redirects a line around a fixed point
- Truck and trailer tie-down operations requiring secure, high-capacity line redirection
- Temporary rigging in infrastructure projects where quick setup and load management are critical
Who It Is For
Buyers This Product Is Built For
- Off-road recovery kit manufacturers building winch and snatch block systems for 4x4 vehicles
- Marine equipment suppliers outfitting boats and vessels with anchor and mooring hardware
- Construction and industrial rigging contractors specifying high-load pulley systems
- Truck and trailer fleet operators equipping vehicles with winch and tie-down hardware
- Rigging distributors carrying a full range of pulley and block products for industrial use
Problems It Solves
Problems This Product Removes
- Winch lines dragging or chafing on fixed points due to lack of smooth redirection
- Inefficient pulling force in recovery operations due to improper line angle or friction
- Need to buy a separate shackle and pulley from different suppliers, increasing lead time and cost
- Rope damage from sharp edges or small sheave diameters under high load
- Corrosion and rust in marine environments due to untreated steel components
- Limited adaptability in dynamic rigging setups due to fixed-angle pulleys
Technical Features
Technical Features
- Swiveling frame with forged steel shackle for secure anchoring and directional flexibility
- Large sheave diameter sized for 4–18mm rope, reducing wear and heat build-up
- Heavy-duty steel construction with zinc plating or red paint finish for corrosion resistance
- Working load limit clearly stamped on the frame for traceability and safety
- Standard 4:1 design factor on all units unless otherwise stated
- Forged steel shackle with swivel pin and safety pin hole for secure attachment
- Designed for use with wire rope, synthetic rope, and chain in high-load applications
Specifications
Snatch Block with Shackle Hdg Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 1.5T to 8T safe working load |
|---|---|
| Sheave Diameter | 4mm to 18mm rope capacity |
| Frame Size | 3'' to 8'' |
| Material | Forged steel with zinc plating or red paint finish |
| Design Factor | 4:1 minimum breaking load to safe working load |
| Shackle Type | Forged steel swivel shackle with pin and hole |
| Surface Finish | Zinc plated or red painted |
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
- Forged steel body for high strength and impact resistance
- Zinc-plated or red-painted finish to resist corrosion in marine and outdoor environments
- Steel sheave with precision-machined bore for smooth rotation
- Swivel pin and shackle made from heat-treated steel for durability
- Safety pin hole drilled into the shackle for cotter pin installation
Manufacturing Process
How This Product Is Made
1Forging of the frame and shackle blanks
2Heat treatment and quenching for strength and toughness
3Machining of the sheave bore and frame holes
4Assembly of the sheave and swivel pin
5Surface finishing by zinc plating or red paint application
6Working load limit stamping and marking on the frame
7Proof load testing and final inspection before packing
Quality Control
Quality Control On Every Batch
- Proof load test on production batches before release
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm 4:1 design factor
- Free rotation and end float check on the swivel frame
- Material Test Certificate to EN 10204 3.1 issued with the order
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the frame
- Private label and OEM marking for brand-specific kits
- Finish to order in zinc plating, red paint, or electrophoretic black
- Custom sizes and configurations built to a supplied drawing
- Carton and pallet packing configured for your warehouse or retail pack
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 |
|---|---|
| Fixed-angle pulley | The swiveling frame allows alignment with dynamic loads, reducing side loading and friction, but adds a moving part that requires inspection |
| Rigid shackle with separate block | The integrated shackle reduces the number of components and setup time, but the block is heavier and bulkier than a standalone pulley |
| Light-duty snatch block | This version handles higher loads and larger ropes, but costs more and is not suitable for low-load applications |
| Soft shackle | Steel construction resists abrasion and high loads, while a soft shackle is lighter and floats but fails under sharp edge contact |
Use Guide
How To Use And Inspect Snatch Block with Shackle Hdg
- Match the stamped working load limit to the calculated line load, not the winch rating
- Ensure the sheave rotates freely and shows no binding before use
- Position the block so the line enters and exits at a straight angle to avoid side loading
- Use a cotter pin through the shackle pin hole to prevent loosening under vibration
- Inspect the frame, shackle, and sheave for deformation or wear before each use
- Retire the block if the frame shows cracks, the sheave seizes, or the marking is illegible
Related Products
Often Ordered With This Item
Trawl Block With Eye Single Wheel
Mounting Block With Hook, Single HQGK
Mounting Block With Eye, Single With A Hinged Lid
Heavy Duty Snatch Block With Shackle HDG/ RED Lifting Marine Pulleys
Snatch Block With Hook Single Oval Eye Marine Pulleys
Single Sheave Pulley Block With Swivel Oval Eye
Pulley Block Double With Oval Eye B Type
Snatch Pulley Block Triple With Hook B Type
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Industries Using This Product
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Guides Worth Reading Before You Order
Answers
Snatch Block with Shackle Hdg FAQ
What is the working load limit for each size?
Sizes range from 1.5T (3'') to 8T (8''). The WLL is stamped on the frame for each unit.
Can this block be used with synthetic rope?
Yes. The large sheave diameter and smooth surface reduce wear and heat build-up on synthetic ropes like Dyneema and UHMWPE.
Is the finish corrosion-resistant?
Yes. The zinc-plated or red-painted finish resists rust and corrosion in marine and outdoor environments.
What safety factor does it carry?
A standard 4:1 design factor, so the minimum breaking load is four times the stated safe working load.
Can you supply Material Test Certificates?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied on request with every order.
Can you customize the tonnage marking and branding?
Yes. Custom tonnage stamping, private label marking, and OEM packaging are standard options.
How are they packed for export?
Standard cartons on pallets. We can configure carton count and pallet pattern to suit your warehouse or retail pack. Free two-month storage in Qingdao is available for shipment consolidation.
Need A Quote On Snatch Block with Shackle Hdg
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