250mm 200N M6 Threaded Ball Joint Patio Storage Box Gas Struts (Pair)
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Force: 200N per strut (400N total support)
Extended Length: 250mm
End Type: M6 Threaded Ball Joint
Thread Size: M6
Quantity: Supplied as a matched pair (2 gas struts)
Brackets: Hole-type mounting brackets included
Suitable For
Engineered for medium to heavy-duty patio storage boxes, garden cushion chests, outdoor deck boxes and reinforced lid applications requiring stronger lift support.
Recommended Lid Depth: 300–500mm
Suitable Lid Weight (lid only): 20–36kg (when using two struts)
Recommended Lid Weight & Installation Guidance
Force Rating: 200N per strut (400N total per pair)
Recommended Lid Weight: Suitable for lids approximately 20–36kg when using a pair of struts.
(Actual performance depends on hinge position, lid material, and mounting geometry.)
Recommended Mounting Position:
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Install one strut on each side of the lid.
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Mount approximately 20–30% down from the hinge on the lid panel.
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Fix the lower bracket around 80–120mm below the top edge of the box frame (depending on internal depth).
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Ensure the strut is slightly compressed when fully closed to maintain correct preload tension.
⚠ If the lid is heavier than 36kg, a higher force rating may be required.
⚠ If the lid is lighter than 20kg, the struts may feel too strong and push the lid upward.
🔧 Mounting Bracket Type – 4x L Bracket Kit
This kit includes 4x heavy-duty L brackets (90° angle brackets) and is recommended for:
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Storage boxes with reinforced internal frames
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Deep patio deck boxes
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Metal storage chests
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Hardwood or thick composite lids
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Installations requiring extra offset clearance
⚠️ For slim lids or minimal internal clearance, a mixed mounting kit (L + Flat brackets) may be more suitable.
Secure Threaded Ball Joint System
This 250mm 200N gas strut pair features an M6 threaded ball joint end that passes through the bracket hole and secures firmly with a locking nut.
The bolt-through threaded system provides:
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Increased structural rigidity
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Reduced flex under heavy load
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Stable long-term performance
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Secure fixing for wood, reinforced plastic and light metal storage boxes
Smooth and Controlled Lid Support
With 200N force per strut (400N combined), these heavy-duty patio storage box gas struts deliver powerful lift assistance and controlled soft-close performance.
They help:
Ideal for upgrading weak or worn-out lid supports.
Key Features
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Heavy-duty steel construction
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Corrosion-resistant coating for outdoor durability
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Nut-secured threaded installation
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Designed for medium to heavy patio storage box lids
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Professional-grade lift support performance
For best results, always confirm lid weight, hinge position and mounting geometry before installation to ensure optimal lift balance.
🛡️ AUTORCE Customer Assurance
✓ Quality-tested components
✓ 30-Day Returns on unused items
✓ Fast UK Dispatch
✓ Secure checkout & UK-based support
Order Today – Upgrade Your Patio Storage Box with Reliable 200N Lift Support.
