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Sea Link
660 Series Steel Shell Wire Rope Blocks
Covers the 660 Series regular steel shell wire rope blocks. Built to a 4:1 Design Factor, these are available in single, double, and triple sheave configurations for wire rope up to 3/4″ and WLLs up to 15,400 lbs.
Sea Link Industrial Rigging
The 660 Series Steel Shell Blocks are high-capacity, professional-grade rigging tools designed for industrial wire rope applications. These blocks feature a robust steel shell construction and are available in single, double, and triple sheave configurations to provide varying levels of mechanical advantage.
Engineering & Technical Standards
- Safety Integrity: All blocks in the 660 series are engineered to a strict 4:1 Design Factor to ensure maximum operational safety.
- Precision Bearings: Sheaves are standard-fitted with bronze bushings manufactured to SAE64 specifications for durable performance under load.
- Forged Hardware: Every structural accessory and fitting is forged to ensure high strength and reliability.
- Versatile Top Fittings: Standard blocks can be configured with multiple head attachments to suit specific rigging systems:
- Oblong Eye (JOS)
- Swivel Eye & Shackle (JDS)
- Jaw Swivel Hook (JSH)
Capacity and Sizing Selection
The 660 series supports wire rope diameters ranging from 1/4″ to 3/4″ and provides Working Load Limits (WLL) up to 15,400 lbs.