Description
Lewmar 60mm HTX Single Block | Boat Supply Store
Engineered for demanding offshore and racing applications, this 60mm single block from Lewmar's HTX range excels in managing high-load, frequently adjusted lines. Its robust construction, featuring strong aluminum side cheeks and a central plain bearing, is designed to handle loads up to 2422lb with a maximum line capacity of 0.5" (12mm). This block is specifically optimized for modern, smaller diameter lines, ensuring efficient operation and reduced friction for precise sail trim, a critical advantage when navigating challenging coastal waters or participating in regattas.
Key Features
- Robust Construction with strong aluminum side cheeks for durability.
- High Load Efficiency via a central plain bearing designed for extreme loads.
- Reduced Friction with Delrin ball bearings managing side thrust.
- Secure Swivel Locking provided by a grub screw mechanism.
- Optimized for Modern Lines with a 12mm (0.5") maximum line diameter.
- High Working Load Limit of 2422lb ensures reliability under pressure.
- Racing Heritage Design inspired by Lewmar's performance-driven range.
- Lightweight Build at only 7.5oz, minimizing impact on rigging weight.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 60mm |
| Working Load Limit | 2422lb |
| Weight | 7.5oz |
| Max Line Size | 0.5" (12mm) |
| Bearing Type | Plain bearing (central), Delrin ball bearings (side thrust) |
| Head Type | Grub screw swivel head locking mechanism |
| Material | Aluminum side cheeks |
Who This Is For
Sailors and boat builders who require exceptionally reliable and high-performance blocks for frequently adjusted, highly loaded systems. This block is particularly suited for those utilizing modern, smaller diameter synthetic lines for enhanced control and efficiency.
How It Compares
| Feature | Lewmar 60mm HTX Single Block | Competitor |
|---|---|---|
| Sheave Diameter | 60mm | — |
| Working Load Limit | 2422lb | 2200 lb, 2000 lb |
| Weight | 7.5oz | 6.7 oz, 7.8 oz |
| Max Line Size | 0.5" (12mm) | — |
| Bearing Type | Plain bearing (central), Delrin ball bearings (side thrust) | Carbo-Tech composite bearings, Orbit bearing system |
| Head Type | Grub screw swivel head locking mechanism | Swiveling head, Swiveling head |
Common Concerns Answered
Is the grub screw swivel lock difficult to use?
The grub screw swivel head locking mechanism is a secure design common in high-performance rigging; while it may require a small Allen key and initial familiarity, it provides reliable static positioning for the swivel head when needed.
Will this block work with my current, larger diameter lines?
This block is specifically engineered for modern lines up to 0.5" (12mm). While it may physically accept larger lines, its optimal performance and efficiency are realized with lines within its specified range, ensuring proper sheave engagement and reduced wear.
Is the price justified for this block?
The Lewmar 60mm HTX Block offers a superior working load limit and robust construction compared to many standard options, representing a sound investment in reliability and performance for demanding sailing applications where consistent function is paramount.
Frequently Asked Questions
What is the working load limit of the Lewmar 60mm HTX Block - Single?
The working load limit for the Lewmar 60mm HTX Block - Single is 2422lb.
What is the maximum line size this block can accommodate?
This block is designed to accommodate a maximum line size of 0.5" (12mm).
What materials are used in the construction of the Lewmar 60mm HTX Block?
The Lewmar 60mm HTX Block features strong aluminum side cheeks for enhanced durability and load bearing.
What is the weight of the Lewmar 60mm HTX Block - Single?
The Lewmar 60mm HTX Block - Single weighs 7.5oz.
What is the advantage of the Delrin ball bearings in this block?
The Delrin ball bearings are integrated to manage side thrust, minimizing friction and wear during complex load angles, thereby ensuring smoother operation and extended component life.