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Free-Nub 60A, the high-performance towing and lifting revolution
In the most demanding industrial and outdoor environments, load management requires equipment that is compact, ultra-strong and versatile. The Free-Nub 60A sheave is the new benchmark for hauling and lifting operations, offering total compatibility with textile and wire ropes.
Low Friction Design for Strength
Unlike conventional sheave blocks, the Free-Nub 60A is based on a controlled-friction concept. Manufactured from high-grade aluminum with a special surface treatment, it enables smooth rope flow while withstanding exceptional breaking loads.
Wiring versatility: Textile & Metallic
The great strength of the Free-Nub 60A lies in its internal geometry, designed to respect the integrity of your lines:
Theoretical breaking load (MBS): it can exceed 200 kN (20 tons).
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Textile ropes (Dyneema®, Technora®): The rounded design and precision polishing prevent heating and abrasion of the fibers, prolonging the life of your slings.
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Steel wire ropes: Its robust structure takes the strain of steel wire ropes without deformation, ideal for skidding, rescue or heavy industrial lifting.
Strategic applications
Thanks to its unbeatable power-to-weight ratio, the Free-Nub 60A is the tool of choice for :
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Off-Road & 4x4 towing: Reeving to reduce the force of a winch in severe ground conditions.
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Industrial lifting: Return pulley to adjust the angle of traction or center of gravity of a load.
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Aerial work & Pruning: A lightweight device that integrates easily on textile connectors or flexible shackles.
Free-nub® retention pulley
Free-Nub 60A, the high-performance towing and lifting revolution
In the most demanding industrial and outdoor environments, load management requires equipment that is compact, ultra-strong and versatile. The Free-Nub 60A sheave is the new benchmark for hauling and lifting operations, offering total compatibility with textile and wire ropes.
Low Friction Design for Strength
Unlike conventional sheave blocks, the Free-Nub 60A is based on a controlled-friction concept. Manufactured from high-grade aluminum with a special surface treatment, it enables smooth rope flow while withstanding exceptional breaking loads.
Wiring versatility: Textile & Metallic
The great strength of the Free-Nub 60A lies in its internal geometry, designed to respect the integrity of your lines:
Theoretical breaking load (MBS): it can exceed 200 kN (20 tons).
-
Textile ropes (Dyneema®, Technora®): The rounded design and precision polishing prevent heating and abrasion of the fibers, prolonging the life of your slings.
-
Steel wire ropes: Its robust structure takes the strain of steel wire ropes without deformation, ideal for skidding, rescue or heavy industrial lifting.
Strategic applications
Thanks to its unbeatable power-to-weight ratio, the Free-Nub 60A is the tool of choice for :
-
Off-Road & 4x4 towing: Reeving to reduce the force of a winch in severe ground conditions.
-
Industrial lifting: Return pulley to adjust the angle of traction or center of gravity of a load.
-
Aerial work & Pruning: A lightweight device that integrates easily on textile connectors or flexible shackles.
Aluminium 7075-T6 & Hard Anodizing
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Weight/strength ratio: Aerospace-grade alloy offering the strength of steel (tensile strength 570 MPa) for only a third of the weight.
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Rigidity (Young's modulus): A modulus of 71 GPa guarantees minimal deformation under the most extreme lifting loads.
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Surface hardness: Hard anodizing transforms the surface into a wear-resistant barrier (up to 600 HV) insensitive to wire abrasion and corrosion.
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Thermal performance: Excellent heat dissipation to protect textile cable fibers during intense friction.
In short: The lightness of aluminum, the strength of steel and a virtually scratch-proof surface.
Key benefits
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Extremely compact: Less bulky than a traditional pulley, it fits into any toolbox or emergency bag.
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Zero maintenance: With no ball bearings or complex moving parts, it's unaffected by sand, mud or corrosion.
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Maximum safety: A rigorous safety coefficient adapted to the demands of professional lifting.
The expert's opinion: " The Free-Nub 60A is not just a pulley, it's an intelligent connector. It allows you to switch from a simple traction system to a complex reeving system in a matter of seconds, whether you're working with construction steel cable or high-tech textile rope."