Customized Electric Galvanized Sheet Metal Stamping Construction Hardware Scaffolding Coupler

Product Description

    Customized Electric Galvanized Sheet Metal Stamping Construction Hardware Scaffolding Coupler
 

Product Description

Scaffold couplers are essentially the fundamental component that is used to assemble tube-and-couplers scaffolding.

Tube-and-couplers scaffolding is defined as 'a scaffold in which individual circular tubes serving as standards, ledgers, braces or ties are joined together by means of purpose designed couplers'. This basic fitting that is designed to join two scaffold tubes can be used to create a diverse range of scaffolding structures or used as an accessory to prefabricated scaffolding systems.
 

More size of swivel coupler

We have many kinds of italian swivel coupler, 48.3mm , 60mm. We can meet your size needs to the greatest extent.If none of the above sizes are what you want, we also support customized services.

 

In response to the needs of different countries, we have produced different styles. We have Italian,Korean,Japanese types to meet customer requirements to the utmost extent.

Product features

Features of our Pressed scaffolding coupler:

Our scaffolding clamps are of high quality and high loading capacity , ensuring safe use and OEM is available.

Used for indoor and outdoor scaffolding pipe connections , in all kinds of construction projects.

Easy to use , only need a wrench to fix and disassemble.

Galvanized surface allows the products to be kept outdoors for many years without rusting.

Product Parameters

 

Product Name	Pressed Scaffolding Coupler
Material	Q235
Standard	BS1139,EN74,JIS G3444
Type	JIS Standard
Color	Silver Color or Golden Color
Outer Diameter	48.3mm,48.6mm
Surface	Electro Galvanized,Hot Dipped Galvanized
Usage	Tube and couplers scaffold system
Packing	Steel or wooden Pallet
Production Ability	2,000 tons per month

Pressed sturdy material
The coupler is based on the EN74/BS1139 standard and uses Q235 grade steel, which is very strong, so it can be used for a long time.

Stable bolts
The standard part bolts are 8.8 grade high-strength bolts, which have better wear resistance and resistance to breaking, and the risk of cracking or deformation is minimized.

Strong anti-skid performance 
During the production process, we added a layer of anti-skid pattern to the surface of the connecting steel pipe and the coupler. The bonding area is large, which reduces the hidden danger of the steel pipe slipping.

Flexible and robust connection 
The connection with strong drop resistance ensures that the fasteners can always be fixed.It is firm when the steel pipe is displaced, preventing the possibility of the steel pipe from slipping off.

Company Profile

 

          (1) This sheet metal products is our customed made stamping parts, it's processed by punching
           machine through stamping tooling, the subsequent process of the staming product make of sheet 
           metal is finished by tapping, debur, chamfer, riveting, anodised, packing, the OEM metal stamping 
           products,sheet metal bracket can be used as medical instruments, medical apparatus hardware 
           mounting brackets.

          (2)We are a professional metal manufacturing factory for sheet metal parts, stamping parts is 
           our featured product, we are specilizing in designing and manufacturing all kinds of high quality 
           stamping product made of sheet metal, we have a lot of advanced equipments and a nice 
           team who can use solidworks, CAD etc, professionally to produce sheet metal precision 
           stamping products.

          (3) Any OEM/ODM are available! We have 13 years professional experience of metal especially 
           for sheet metal products, metal stamping parts and CNC parts manufacturing, hardware 
           accessories.

          (4) Before mass production, we offer pre-production samples of the sheet metal fine stamping 
           product and all other sheet metal stamping parts for customer final confirmation.

Packaging & Shipping

Packing:

1. Generally, the total net weight of loaded container is 22 tons to 26 tons, which need be confirmed before loading.
2. Different packages are used for different products: 
---bundles: timber beam, steel props, tie rod, etc.
---pallet: small parts will be put in bags and then on pallets.
---wooden cases: it is available on customer's request.
---bulk: some irregular goods will be loaded in bulk in container.
Delivery:
1. Production: For full container, normally we need 20-30 days after receive customer's down payment.
2. Transportation: It depends on the destination charge port.
3. Negotiation is needed for special requirements.  

FAQ

Q1: What is a Fixed Coupler?

A: A Fixed Coupler (or Rigid Coupler) is a mechanical connector designed to join two components end-to-end in a rigid, non-rotational, and non-flexible manner. Its primary purpose is to transfer load (tension, compression, and sometimes bending moment) while maintaining perfect axial and angular alignment between the connected pieces.

Q2: What are its key characteristics?
A:

• Rigidity: It prevents any relative movement (rotation, bending, or lateral play) at the joint.

• Full Load Transfer: It is designed to transmit the full strength of the connected components.

• Alignment: Ensures the connected elements form a continuous, straight member.

Q3: Where is it most commonly used?
A: Its most famous and critical application is in scaffolding systems.

Q4: What is the role of a Fixed Coupler in scaffolding (Tube and Fitting Scaffold)?
A: In scaffolding, a Fixed Coupler (often called a Right-Angle Coupler or Swaged Coupler) is used to connect two scaffold tubes at a 90-degree angle. It is the primary coupler for building the scaffold's load-bearing structure.

• Function: It rigidly connects ledgers (horizontal tubes) to standards (vertical tubes), or transoms to standards, forming the essential right-angle joints of the frame.

• Safety: It is considered a load-bearing coupler and must be used in all critical structural connections.

Q5: How is a scaffolding Fixed Coupler different from other scaffold couplers?
A:

• vs. Swivel Coupler: A Swivel Coupler can connect tubes at any angle. A Fixed Coupler only connects at 90°.

• vs. Sleeve Coupler (Joint Pin): A Sleeve Coupler connects two tubes end-to-end in a straight line. A Fixed Coupler connects them perpendicularly.

• vs. Putlog Coupler: A Putlog Coupler is a single-sleeve clamp used for connecting a transom to a single ledger (non-load-bearing in the same way).

Q6: What are other applications outside of scaffolding?
A:

1. Structural Steelwork: Connecting steel reinforcement bars (rebar) in concrete construction to create a continuous, rigid lap splice. Also used in space frames and trusses.

2. Piping Systems: Connecting pipes where no flexibility is desired, often using flanged, welded, or threaded rigid couplings.

3. Shaft Coupling (Mechanical Engineering): Connecting two rotating shafts to transmit torque without allowing for misalignment (unlike flexible or jaw couplings). Requires perfect alignment during installation.

4. Formwork Systems: Connecting formwork components rigidly.

Q7: What are the installation and safety considerations for scaffolding Fixed Couplers?
A:

• Correct Placement: Must be used at all standard/ledger/transom intersections as per the scaffold design.

• Tightening: Must be tightened to the specified torque (usually with a calibrated wrench) to achieve the required clamping force. A visual check is that the ferrule makes a complete circle around both tubes.

• Inspection: Must be checked regularly for wear, cracks, distortion, or corrosion. A damaged coupler must be removed from service immediately.

• Load Direction: It is designed to resist loads primarily in the axis of the tubes. It is not designed to resist significant torsional forces about the joint itself.

Q8: What materials are Fixed Couplers made from?
A: They are typically forged from high-strength steel (e.g., EN 74-1 in Europe/UK, AS/NZS 1576 in Australasia) and often hot-dip galvanized for corrosion resistance on construction sites.

Q9: What is the main risk of using an incorrect or faulty Fixed Coupler?
A: Catastrophic structural failure. Since it is a primary load-bearing connection in scaffolding, its failure can lead to the collapse of a section or the entire scaffold, resulting in serious injury, death, and property damage.

Q10: How do I identify a proper Fixed (Right-Angle) Coupler?
A: It will have two separate clamping assemblies forged or cast into a single, rigid body that holds the tubes at a fixed 90-degree relationship. It cannot swivel or pivot.
 

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