Description
SeaSure 25mm Single Block w/Becket | Boat Supply Store
Address critical load-bearing needs in your sailboat's rigging with this robust SeaSure 25mm Single Block. Engineered with marine-grade stainless steel side plates and rivets, it ensures superior corrosion resistance in harsh marine environments. The block features a durable Arnites sheave with a 25mm diameter and accommodates up to 8mm rope, providing a 500kg breaking load for reliable purchase system creation on vessels navigating the Gulf Coast.
Key Features
- 25mm Sheave Diameter for efficient line handling.
- Plain Bearing for smooth, friction-reduced operation.
- Marine-grade Stainless Steel side plates and rivets for exceptional durability.
- Arnites Sheave offers wear resistance and a lightweight profile.
- Integrated Becket facilitates the creation of mechanical advantage systems.
- Clevis Pin Attachment ensures secure and straightforward mounting.
- 8mm Maximum Rope Capacity suitable for a wide range of running rigging.
- 500kg Breaking Load for dependable performance in moderate load applications.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 25mm |
| Bearing Type | Plain Bearing |
| Side Plate Material | Marine-grade Stainless Steel |
| Rivet Material | Marine-grade Stainless Steel |
| Sheave Material | Arnites (Plastic) |
| Max Rope Diameter | 8mm |
| Breaking Load | 500kg |
| Attachment Type | Clevis Pin |
Who This Is For
Sailors, boaters, and DIY enthusiasts seeking a durable and versatile single block with a becket for rigging, lifting, or creating purchase systems. Ideal for those requiring reliable hardware for moderate load applications on various watercraft.
How It Compares
| Feature | SeaSure 25mm Single Block w/Becket | RF1610 |
|---|---|---|
| Sheave Diameter | 25mm | — |
| Max Rope Diameter | 8mm | — |
| Breaking Load | 500kg | — |
| Becket | Yes | Yes, Yes |
| Attachment Type | Clevis Pin | Swivel Shackle, Swivel Shackle |
| Sheave Material | Arnites (Plastic) | Nylon, Nylon |
| Side Plate Material | Marine-grade Stainless Steel | Nylon, Nylon |
Common Concerns Answered
Is the 500kg breaking load sufficient for my needs?
The 500kg breaking load is suitable for many rigging and purchase system applications. For exceptionally heavy-duty uses where loads exceed this rating, alternative blocks with higher breaking strengths should be considered.
How does the plain bearing compare to ball bearings?
A plain bearing offers reliable and durable performance for moderate loads and speeds. For extremely high-speed or high-load scenarios where maximum efficiency is paramount, ball-bearing blocks may provide a more suitable solution.
Will this block corrode in a saltwater environment?
Constructed with marine-grade stainless steel side plates and rivets, this block is designed for excellent corrosion resistance in saltwater. The Arnites sheave is also resistant to marine environments.
Frequently Asked Questions
What is the maximum rope diameter this block can accommodate?
This SeaSure single block can accommodate a maximum rope diameter of 8mm.
What is the breaking load of the SeaSure 25mm Single Block w/Becket?
The breaking load for this block is rated at 500kg.
What materials are used in the construction of this block?
The block is constructed with marine-grade stainless steel side plates and rivets, and features an Arnites (plastic) sheave.
What are the potential applications for this block beyond sailing?
Beyond sailing, this block is suitable for various marine lifting, rigging, and purchase system applications on powerboats, dinghies, or for general DIY marine projects requiring a reliable load-bearing component.
How does the becket feature benefit the user?
The becket at one end of the block allows for the creation of cascaded purchase systems (e.g., 2:1 or 3:1 mechanical advantage), effectively multiplying the pulling power applied to the control line for easing loads.
