Harken 60mm Triple Aluminum Element Block w/Swivel & Becket - 6273
Manufacturer Part #: 6273
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Harken 60mm Triple Aluminum Element Block w/Swivel & Becket - 6273
The Harken 60 mm Triple Aluminum Element Block with Swivel & Becket – Model 6273 is a high-strength, versatile sailboat block designed to handle multi-line control applications with efficiency and durability. Crafted using forged aluminum sideplates and a corrosion-resistant hard-anodized finish, this block delivers excellent strength-to-weight performance for cruising and performance sailing. The triple sheave configuration allows multiple lines to run through a single, compact block — perfect for mainsheet systems, control lines, reefing setups, or other control point needs where space and mechanical advantage matter. The integrated swivel head aligns the block under load and minimizes twisting, while the becket provides a secure attachment point for tail lines or additional hardware. Designed with a composite bearing sheave for smooth rotation and long service life, this Element block combines Harken’s trusted engineering with value-oriented construction for sailors wanting quality without over-built complexity.
Technical Specifications
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Sheave Diameter: 60 mm (2-3/8 in) — suited to moderate line sizes.
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Maximum Line Size: 14 mm (9/16 in) — accommodates common control and sheet lines.
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Maximum Working Load: 1,650 kg (3,638 lb) — reliable load capacity for sail control.
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Breaking Load: ~3,300 kg (7,276 lb) — safety margin well above typical working load.
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Length: ~165 mm (6-1/2 in) — compact form factor.
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Weight: ~540 g (18.9 oz) — lightweight yet strong for deck hardware.
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Shackle Pin: 8 mm (5/16 in) diameter — industry-standard size.
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Sheave Bearing: Composite bearing for smooth operation and corrosion resistance.
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Construction: Hard-anodized aluminum sideplates with forged aluminum components.
Key Features & Performance
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Forged Aluminum Sideplates: The sideplates are hardcoat-anodized to provide superior resistance against salt, sun, and impact.
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Triple Sheave with Becket: This configuration allows for complex purchase systems (such as 6:1 or 7:1), making it ideal for mainsheets, halyards, and control lines on mid-sized boats.
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Swivel Shackle: The head features a removable lock post that allows the shackle to either swivel freely (to prevent line twisting) or be locked into a fixed position.
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Proven Journal Bearing: Instead of ball bearings, this block uses a tough composite bearing sheave that handles high static loads with minimal maintenance and excellent corrosion resistance.
In the Box
This item is typically packaged as a ready-to-rig unit:
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Harken 6273 Block: The complete triple 60mm block assembly.
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Integrated Becket: A permanent attachment point for the dead-end of your line.
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Swivel Shackle & Lock Pin: Pre-installed at the head of the block.
Manufacturer : Harken
Manufacturer Part No : 6273
Product : HARKEN 60MM TRIPLE ELEMENT BLOCK W/ SWIVEL & BECKET
Harken 60mm Triple Aluminum Element Block w/Swivel & Becket - 6273 is backordered and will ship as soon as it is back in stock.
Harken 60mm Triple Aluminum Element Block w/Swivel & Becket - 6273
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