PRODUCT FEATURES
Materials and Components
- Bronze Bushings or Roller Bearings: Offers a choice of components to suit different rigging needs, ensuring smooth operation.
- S-4320 Hook Latch (Optional): Available for secure attachment during use, enhancing safety.
Design and Functionality
- Opening Feature for Rope Insertion: Allows for easy rope insertion even when the block is suspended, improving efficiency and safety.
- Pressure Lube Fittings: Designed for easy lubrication to maintain smooth function and prolong the life of the block.
- Dual-Rated Wireline Sheaves (3”-10”): Designed to accommodate a range of wireline diameters for versatile use.
- Bolt-Retaining Spring: Prevents bolts from being lost, ensuring the block remains fully functional during operations.
Safety and Durability
- Fatigue Rated: Tested to withstand repeated use without failure, ensuring long-term reliability in tough conditions.
- Meets ASME B30.26 Standards: Complies with key industry requirements like identification, proof load, ductility, design factors, and temperature limits.
- Material Traceability: Provides full traceability for materials, ensuring compliance and reliability in critical lifting tasks.
TAIL BOARD SNATCH BLOCK SPECIFICATIONS
SIZE | S.W.L | DIAM OF ROPE |
(IN) | (TON) | (IN) |
3 | 2 | 3/8 |
4 1/2 | 4 | 1/2 |
6 | 8 | 3/4 |
8 | 8 | 3/4 |
10 | 8 | 3/4 |
12 | 8 | 3/4 |
INSTRUCTIONS & CAUTIONS
Check Load Limits Before Use
Always verify that the load you plan to lift does not exceed the working load limit (WLL) of the H404 Tail Board Snatch Block. It’s designed to handle heavy-duty lifts, but overloading it can lead to equipment failure. By sticking to the specified limits, you’ll ensure safe and efficient operations every time. This block’s ultimate load is four times the WLL, but safety starts with correct load assessment.
Inspect for Wear and Damage
Before using the snatch block, check it for any visible wear or damage, especially after heavy lifting jobs. Inspect the sheaves, shackles, and hooks for cracks or rust. A simple inspection can prevent potential failures during use. Replace any worn parts immediately to maintain safety and performance. Routine checks are key to extending the block’s life and preventing costly downtime.
Ensure Proper Rope Insertion
When using the opening feature to insert the rope, make sure it’s threaded correctly and securely. Don’t force the rope into the block. It should go in smoothly without being kinked or damaged. Misthreading the rope can cause it to slip or wear prematurely. If you’re lifting a particularly heavy load, double-check that the rope is inserted properly to avoid unnecessary stress on both the rope and the block.
Lubricate Regularly for Smooth Operation
Regular lubrication of the moving parts is essential to keep the H404 Tail Board Snatch Block running smoothly. Use the pressure lube fittings to apply lubricant and reduce friction. This will not only keep the sheaves spinning freely but also help extend the lifespan of the block. Be sure to lubricate after heavy use, and don’t wait for signs of wear. A well-maintained block is always safer and more reliable.
OUR ADVANTAGES
Reliable, Heavy-Duty Design
Our tail board snatch block is designed to perform under the toughest conditions. Made from high-strength forged steel and built for durability, this block won’t fail you in critical operations. It’s fatigue-rated and engineered for repeated use, making it a trusted choice for heavy lifting in construction, industrial, and marine settings.
Perfectly Fit for Your Rigging Needs
We offer versatile options with our tail board snatch blocks. It works with a wide range of rope sizes and sheave configurations, ensuring a perfect fit for any rigging task. Whether you're lifting heavy loads, securing equipment, or performing complex rigging operations, this block is designed to meet your specific requirements and perform reliably every time.
Always in Stock and Ready for Use
At Powerful Machinery, we keep our tail board snatch blocks in stock and ready to ship quickly. No need to wait—our streamlined inventory and fast processing ensure you get the gear you need when you need it. Whether it’s a bulk order or a custom request, we make sure you're equipped and ready to tackle your rigging jobs without delay.
Fast Delivery to Keep Your Projects Moving
We ordered a customized set of tail board snatch blocks from Powerful Machinery for our marine operations, and we couldn’t be happier. They’ve handled everything from heavy equipment lifting to securing vessels without issue.
OUR REVIEWS



FAQ
What kind of maintenance does the H404 Snatch Block require?
The H404 snatch block is low-maintenance, but it’s important to keep it clean and lubricated. Use the pressure lube fittings to apply lubricant regularly, especially after heavy use. Check for any signs of wear or damage to the sheave, shackles, and bolts. Perform routine inspections to ensure the block continues to function smoothly and safely throughout its life.
Can I customize the H404 Snatch Block for specific rigging needs?
Yes, the H404 can be customized to meet your specific rigging needs. You can choose from different sheave sizes, rope diameters, and even materials based on the requirements of your project. This flexibility ensures that the H404 can handle a variety of lifting tasks, whether you’re working in construction, industrial, or marine applications.
Does the H404 Snatch Block come with a warranty?
Yes, the H404 snatch block comes with a warranty that guarantees its performance and durability. If you encounter any manufacturing defects or issues, we offer support for replacement or repair. We stand by the quality of our products and are committed to delivering long-lasting, reliable equipment for your rigging and lifting needs.