A Cup Nut plays a key role in props and adjustable jack systems by locking height adjustments firmly in place. Instead of allowing thread movement under load, it tightens securely and maintains accurate alignment during slab, beam, and formwork support work.
Moreover, AMCO’s cup nuts use solid cast steel to handle heavy site loads with confidence. As a result, contractors rely on them for stability, safety, and long-term performance in demanding construction environments. Cup nuts are commonly used together with adjustable props, jack nuts, tie rods and other scaffolding fasteners in construction formwork systems.
Technical Specification of Cup Nut
| Parameter | Specification |
|---|---|
| Product Name | Cup Nut for Props & Jacks |
| Sizes Available | 26 mm, 28 mm, 30–32 mm, 34 mm, 38 mm |
| Design | Cup shape for secure locking |
| Material | High-strength cast steel |
| Finish Options | Self finish / Zinc plated |
| Application | Props, adjustable jacks & formwork support |
| Reusability | Suitable for repeated site use |
| Packing | 200 pcs per bag |
| Country of Origin | India |
Available Sizes & Weights
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Cup Nut 26 mm
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Cup Nut 28 mm
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Cup Nut 30–32 mm — Approx. 175 g
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Cup Nut 34 mm
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Cup Nut 38 mm — Approx. 260 g
Key Features of Cup Nut
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Uses high-strength cast steel for dependable load handling
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Provides accurate threading for smooth and quick height adjustment
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Resists rust with durable surface finish options
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Works seamlessly with props and adjustable jacks
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Performs reliably under tough site conditions
How the Cup Nut Supports Props and Jacks
In prop and jack systems, height locking is critical. Therefore, the cup nut acts as a locking component that holds the threaded adjustment securely in position.
Because it distributes load evenly across the contact surface, it reduces thread stress and minimizes movement. Consequently, props and jacks remain stable even under continuous load, vibration, and extended working hours.
Cup Nut Used in Adjustable Props and Scaffolding Systems
Cup nuts play an important role in adjustable prop systems by providing secure height adjustment and load locking. Contractors use these nuts to tighten prop threads and stabilize vertical supports during slab casting and shuttering operations
Why Contractors Prefer AMCO Exports
At AMCO Exports, we engineer cup nuts for consistent, repeatable performance. Every unit passes through strict quality checks to ensure uniform threading, strong casting, and reliable durability.
As a result, contractors across India and export markets trust our cup nuts for props, jacks, and formwork support systems where safety is non-negotiable.
Where and Why It Is Used
Cup Nuts support a wide range of construction and formwork needs. Therefore, contractors commonly use them in:
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Adjustable props and telescopic props
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Base jacks and U-head jacks
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Slab and beam formwork systems
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Temporary support structures
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Infrastructure and high-load construction projects
Additionally, the cup-shaped design creates a wide bearing surface. Because of this, it spreads load evenly and improves locking strength. Furthermore, availability in multiple sizes ensures compatibility with different prop and jack configurations.
Scaffolding Cup Nut Manufacturer in India
AMCO Exports is a trusted scaffolding cup nut manufacturer in India supplying heavy-duty cup nuts for adjustable props, base jacks, and formwork systems. Our products are used by contractors and infrastructure companies across construction, civil engineering, and industrial projects.
We supply cup nuts in multiple sizes for scaffolding systems used in RCC construction, formwork, and infrastructure projects.
Frequently Asked Questions
Q1: What sizes are available for cup nuts?
A1: The Cup Nut Scaffolding is available in four standard sizes: 26mm, 28mm, 30mm, and 34mm to accommodate different scaffolding and construction requirements.
Q2: What is the advantage of the cup-shaped design?
A2: The cup shape provides a larger bearing surface, better load distribution, and improved stability, making this Scaffolding Cup Nut more secure and reliable.
Q3: What finish options are available?
A3: This Cup Nut is available in self finish for standard applications or zinc plated for enhanced corrosion resistance in outdoor environments.
Q4: Where are scaffolding cup nuts typically used?
A4: Scaffolding Cup Nuts are essential for tube connections, formwork systems, temporary structures, and any construction application requiring secure, reusable fasteners.
Q5: Are you manufacturers of these scaffolding fasteners?
A5: Yes, as a leading Scaffolding Fasteners Supplier and Jack Nut & Bolt Exporter from India, we produce high-quality Cup Nuts for domestic and international construction markets.
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