Snatch Blocks
H418 SNATCH BLOCK LIGHT TYPE CHAMPION WITH HOOK
A single-sheave swivel snatch block with a forged steel hook, designed for field recovery, towing, and winching. It redirects force and multiplies mechanical advantage when used with a winch or manual pull. Sizes range from 2T to 18T safe working load, with a 3/4" to 15" rope diameter capacity. The swivel hook allows free rotation to prevent rope twisting and reduces side loading. Standard 4:1 design factor with stamped WLL and traceability marking.
- 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 H418 Snatch Block Gives You
- Swivel hook allows free rotation to prevent rope twist and reduce side loading during dynamic pulls
- Single sheave design increases mechanical advantage by 2:1 when used with a winch or hand pull
- Drop-forged steel body with heat-treated pin and sheave provides high impact resistance and long service life
- Standard 4:1 design factor ensures minimum breaking load is four times the safe working load
- Stainless steel cotter pin and lock nut prevent pin loosening under continuous vibration
- Rope diameter range from 3/4” to 15” covers most winch and towing cable sizes
- Compact design fits in tight spaces on trailers, recovery kits, and deck-mounted setups
Application Scenarios
Where H418 Snatch Block Is Used
- Off-road recovery where a winch line is redirected around a tree or anchor point using a single block
- Towing operations on commercial trucks and utility trailers where a compact, lightweight block is needed
- Marine dockside winching where rope direction must change without twisting or binding
- Temporary rigging setups in construction and infrastructure projects requiring quick force redirection
- Manual lifting with hand-powered winches where a 2:1 mechanical advantage reduces crew effort
Who It Is For
Buyers This Product Is Built For
- Recovery and off-road gear brands building winch and tow kits for 4x4s and utility vehicles
- Fleet and towing operators specifying lightweight, durable snatch blocks for trailer and truck use
- Marine and offshore contractors equipping deck winches and mooring systems
- Construction and infrastructure teams needing compact, field-ready rigging components
- Rigging distributors carrying a pulley block range who require a swivel hook option in stock
Problems It Solves
Problems This Product Removes
- Rope twisting and kinking when redirected around a fixed point without a swivel hook
- Side loading on the block body due to misaligned pull direction, which can damage the sheave
- Pin backing off under vibration during long hauls or repeated use on trailers and winches
- Need for two separate components — a snatch block and a hook — increasing gear weight and complexity
- Lack of mechanical advantage in manual pulling operations requiring multiple workers
- Inconsistent load handling when using blocks without a stamped WLL or traceability marking
Technical Features
Technical Features
- Single sheave with free-swivel hook for dynamic load redirection
- Drop-forged steel body with heat-treated pin and sheave for impact resistance
- Hexagon bolt pin with lock nut and stainless steel cotter pin to prevent loosening
- Standard 4:1 design factor with minimum breaking load four times the safe working load
- Working load limit and traceability marking stamped on the body
- Rope diameter range from 3/4” to 15” to match standard winch and towing cables
- Swivel hook allows 360-degree rotation to align with pull direction and reduce rope wear
Specifications
H418 Snatch Block Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 2T to 18T safe working load |
|---|---|
| Sheave Diameter | 3” to 15” depending on size |
| Rope Diameter Range | 3/4” to 15” |
| Pin Type | Hexagon bolt pin with lock nut and stainless cotter pin |
| Design Factor | 4:1 minimum breaking load to safe working load |
| Surface Finish | Zinc plated or custom |
| Weight | 2.3 kg to 106 kg depending on size |
| Hook Type | Swivel forged steel hook with safety latch |
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
- Drop-forged steel body with heat-treated pin and sheave for high strength and impact resistance
- Stainless steel cotter pin to prevent seizing in salt or wet environments
- Zinc plating for corrosion resistance on the body and hook
- Custom finishes available including powder coating and electrophoretic black
Manufacturing Process
How This Product Is Made
1Drop forging of the block body and hook blanks
2Heat treatment of the body and pin for improved strength and fatigue resistance
3Machining of the sheave bore and pin thread
4Assembly of the sheave, pin, and swivel hook
5Free rotation and end float check on the assembled block
6Surface finishing by zinc plating or powder coating
7Working load limit stamping and marking
8Proof load testing and 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 hook and sheave
- Material Test Certificate to EN 10204 3.1 issued with the order
- Third-party inspection accepted at warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the body
- Private label and OEM marking for gear brands
- Finish to order in zinc plating, powder coating, or electrophoretic black
- Custom sizes and assemblies 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 hook snatch block | The swivel hook prevents rope twist and reduces side loading, but adds a moving part that requires inspection for wear |
| Double sheave snatch block | The single sheave is lighter and more compact but provides only 2:1 mechanical advantage compared to 4:1 on a double block |
| Rigid shackle with separate hook | The integrated swivel hook reduces gear weight and complexity but costs more than a basic shackle |
| Non-swivel pulley block | The swivel hook allows dynamic alignment under load, reducing rope wear and preventing binding |
Use Guide
How To Use And Inspect H418 Snatch Block
- Match the stamped working load limit to the calculated line load, not the winch rating
- Ensure the rope runs through the sheave and not over the edge or side of the block
- Check the swivel hook rotates freely and the pin is secured with the cotter pin before use
- Avoid side loading by aligning the pull direction with the block’s centerline
- Inspect the sheave, pin, and hook for wear, deformation, or corrosion before each use
- Retire the block if the body shows deformation, the sheave seizes, or the WLL 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
Snatch Block with Shackle HDG/ RED Lifting Marine Pulleys
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
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Answers
H418 Snatch Block FAQ
What is the mechanical advantage of this snatch block?
A single-sheave snatch block provides a 2:1 mechanical advantage when used with a winch or manual pull.
Can the swivel hook be locked in place?
The swivel hook is free-rotating by design. It does not have a locking mechanism but is secured with a cotter pin to prevent accidental disengagement.
What is the rope diameter capacity?
The H418 block supports rope diameters from 3/4” to 15”, depending on the size. Refer to the size table for exact values.
Is there a Material Test Certificate available?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied on request with every order.
Can you custom stamp our brand and tonnage?
Yes. Custom tonnage stamping, private label marking, and OEM packing are standard options.
How are these blocks 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.
What safety factor do these blocks have?
A standard 4:1 design factor is used, so the minimum breaking load is four times the safe working load.
Need A Quote On H418 Snatch Block
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.
We reply within 24 hours on WhatsApp or by email. Send a drawing, a photo or a bill of materials and we will quote it as it stands.