Construction Building Scaffolding Hardware Construction Casting Swivel Coupler Metal Scaffold Beam Clamp
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Product Details
| Customization: | Available |
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| Connection Type: | Snap-on Connection |
| Finish: | Galvanized |
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Basic Info.
- Model NO.
- SA-JSJ
- Material
- Metal
- Type
- Scaffold Couplers
- Item
- Scaffold Beam Clamp
- Application
- Construction
- Grade
- 4.8
- Casting Method
- Sand Casting
- Casting Form Material
- Sand
- Casting Metal
- Cast Iron
- Casting Form Usage Count
- Permanent
- Surface Treatment
- Spray-Paint, Yes or No
- Surface Roughness
- Ra3.2
- Coating
- Sodium Silicate
- Machining Tolerance
- +/-0.02mm
- Certification
- CE, RoHS, ISO 9001:2000, ISO 9001:2008, ISO
- Raw Material
- Iron, Carbon Steel
- Technology
- Casting + Machining
- Service
- Shengao, OEM
- Transport Package
- Plywood Box
- Specification
- SGS
- Trademark
- Shengao
- Origin
- Weifang, Shangdong, China
- HS Code
- 7325109000
- Production Capacity
- 500ton/Month
Packaging & Delivery
- Package Size
- 20.00cm * 20.00cm * 30.00cm
- Package Gross Weight
- 20.000kg
Product Description
Construction Building Scaffolding Hardware Construction Casting Swivel Coupler Metal Scaffold Beam Clamp
It is high quality construction formwork fastner and used in many large construction projects, such as High rise building, bridge, tunnel, nuclear power projects.
Features:
1. High tensile strength material
2. High process precision, precise thread.
3. Surface treatment: painted/galvanized
Standard couplers are widely used with steel scaffold tubes , we also produce a fewnumber of special size couplers to suite with different diameter scaffold tubes. Also some special couplers are used for special functions such as spigotsupport , deck retainer , toe board fixing , ladder bracket and so on.
Casted iron Scaffolding Coupler Fittings:
| NAME | STANDARD | SIZE | WEIGHT / KG | MATERIA | SURFACE TREATMENT |
| Double Coupler | BS1139 | 48.3mm | 1.00 | Ductile iron | Painted |
| Swivel Coupler | BS1139 | 48.3mm | 1.00 | Ductile iron | Painted |
| Inner Joint Coupler | BS1139 | 48.3mm | 1.00 | Ductile iron | Painted |
Product features
1. No glitches:It has advanced deburring equipment and reprocessed by hand. Let each product be clean without leaving burrs
2. No deformation: All the polishing masters have more than 10 years of polishing experience, and they have one-to-one training before starting to make the polished products have sharp edges and corners without deformation.
3. No pitting: Owning a surface treatment department, no outsourcing processing is required. The surface treatment of the product selects high-quality materials to make the product shiny and super three-dimensional.
4. Strict standards: Each product is fully inspected according to quality standards, and the delivery rate is high.
| Features: OEM Precision Casting | |
| 1) Materials: Cast iron, Carbon steel | |
| 2) Standard: JIS, DIN, ASTM, BS | |
| 3 ) Surface treatment : Painted/Galvanized | |
| 4) Weight: 0.1 -10kg | |
| 5) Processes: Casting, CNC Machining. | |
| 6) Manufacturing equipments: three die-forging product lines (3 ton stamp forging hammer product line, 1000 ton friction product line, 1250 ton press product line), various loose hammers and cylinder parts , automatic control ring forging machine, heat treatment cellar, digital control fibre natural gas car furnace, standing machine tool, machine tools, standing miller, standing drill machine, bench drill machine ,CNC machining centre etc | |
| 7) Testing equipment: Supersonic inspection machine, Supersonic flaw detecting machine , physics and chemical analysis. | |
| 8)Services | |
| a) Also can design and manufacture forged according to the customers' requirement | |
| b) ISO9001 quality control and inspection | |
| c) In house & Third Parties | |
| d) Ordering and warehousing | |
| 9)Packing: Wooden cases or according to customers' needs | |
| MOQ | 100PCS |
| Price | FOB, CFR, CIF; |
| Port | Qingdao |
| Payment | L/C, T/T |
| Supply Ability | 500 meric tons per month. |
| Delivery Time | Within 30 Working Days |
| Packaging | Paper carton, Wooden box, Steel pallet or Customized |
| Shipping | By Sea |
Advantages:
With more than 10 years of experience, we know exactly what you need;
Strict quality control in raw material selection, production line, and pre-packing, which ensures the reliable product quality as per customer's request.
Prompt action on customer's requirments.
Shipping way:
1) 0-100kg: express&air freight priority,
2) >100kg: sea freight priority,
3) As per customized specifications
Packing & Delivery:
1.Packing Detail: Each product packed with plastic preservative, EPE, foam plastic bag, Carton outside, wood case or iron case or as per the customer's special requirement. Besides, the custom package takes a week to prepare in advance.
2.Delivery Detail: the fast International Shipping time takes 3 ~5 working days by DHL/UPS/FedEx, slow shipping time takes 7~ 8 working days by DHL/UPS/FedEx/TNT, etc
FAQ:
1. What is a Scaffolding Swivel Coupler?
A Scaffolding Swivel Coupler (also called a Swivel Clamp or Right-Angle Coupler) is a key forged steel fitting used to connect two scaffold tubes (pipes) at any angle. Its unique pivoting design allows the two jaws to rotate independently, enabling secure, non-parallel connections essential for building rigid three-dimensional scaffolding structures.
2. What are the primary applications?
It is an indispensable component in tube-and-coupler scaffolding systems for:
Connecting Ledgers to Standards: Creating the primary horizontal to vertical joints.
Fixing Diagonal Braces: For lateral stability and wind bracing.
Formwork & Shoring Support: In concrete construction.
Creating Complex Angles: Where tubes meet at angles other than 90° or parallel.
Temporary Structures: For stages, event setups, and repair works.
3. What materials are your swivel couplers made from?
We manufacture them from premium materials for maximum safety and durability:
Body: Drop-Forged Carbon Steel (Grade Q235B or equivalent S235JR). The forging process provides superior grain structure and impact resistance.
Bolts, Nuts & Washers: Grade 8.8 High-Tensile Steel, hot-dip galvanized.
Standard Finish: Hot-Dip Galvanizing (HDG) to ISO 1461 / ASTM A153 for maximum corrosion resistance on construction sites.
4. How can I request a quotation or sample?
For a fast and accurate quote, please provide:
Product Name/Standard (e.g., Swivel Coupler for 48.3mm tube to BS EN 74-1).
Required Quantity.
Destination Country/Port.
Any special requirements (custom marking, packaging).
5. What scaffold tube sizes are they compatible with?
Our standard couplers are designed for the global industry standard tube:
Nominal Bore: 1-1/2 inch (1.5").
Outer Diameter (OD): 48.3mm.
Other Sizes: Available for 42mm OD, 60.3mm OD (2-inch), and other specifications upon request.
6. How is it installed and tightened correctly?
Proper installation is critical for structural integrity:
Place the two scaffold tubes into the jaws of the coupler.
Ensure the coupler sits squarely with no gaps at the heel (where the tube meets the coupler body).
Hand-tighten the single high-tensile bolt and nut.
Final tighten using a scaffolding spanner (wrench) to the recommended torque (~40-50 Nm). Overtightening can damage the coupler or tube.
7. What is the difference between a Swivel Coupler and a Double/Sleeve Coupler?
Swivel Coupler: Connects two tubes at any angle (one fixed, one adjustable via the swivel).
Double Coupler (Fixed Coupler): Connects two tubes in parallel, end-to-end.
Sleeve Coupler (Joint Pin): Connects two tubes end-to-end in a straight line.
These are complementary fittings used together in a complete system.
8. What is your MOQ (Minimum Order Quantity)?
Standard HDG Swivel Couplers: MOQ 1,000 pieces.
Custom Marking/OEM Orders: MOQ 5,000 pieces (negotiable based on design complexity).
Samples: Available for testing and approval.
9. What is your production lead time?
Samples: 7-10 working days.
Standard Orders (from stock/semi-finished): 15-20 working days.
Full Production/Custom Orders: 25-35 working days.
10. Can you provide other scaffolding fittings?
Yes, we are a full-range scaffolding manufacturer and can supply:
All types of couplers (Double, Sleeve, Putlog, Girder).
Scaffold Tubes (Standards, Ledgers)
Boards, Base Plates, and Adjustable Jacks
Complete system solutions and design support.
11. Do you offer customization or OEM services?
Absolutely. We are a leading OEM supplier to major brands and can provide:
Custom Drop Forging with your logo or part number stamped/forged into the body.
Special finishes (different galvanizing standards, color powder coating for site identification).
Private label packaging (boxes, bags, pallets).
12. How are the couplers packaged for export?
We use robust, commercial-grade packaging:
Standard: Bundled in sets of 25 or 50, wrapped, and packed in strong cartons or wooden boxes.
Bulk/OEM: Master cartons or 1-ton sacks, palletized and shrink-wrapped for sea freight.
All packages are clearly labeled.
If there's anything we can help, please feel free to contact us.
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