ABP Scaffolding ABP Scaffolding

High Quality Scaffolding Clamps Q235 Swivel Clamp Board Retaining Clamp Used for Construction Steel Pipes

Product Description

Scaffolding Couplers and Clamps Showcase

Right Angle Coupler

Right Angle Coupler is used to connect two scaffolding tubes at 90 degrees, mainly for fixing ledgers to standards. It offers strong load-bearing capacity, anti-slip performance, and is made from durable forged or pressed steel. The galvanized finish provides good corrosion resistance for indoor and outdoor use.
Right Angle Coupler
Parameter Specification
Product Name Right Angle Coupler
Adaptation pipe diameter Usually fits standard scaffolding tubes with an outer diameter of 48.3mm
Material High-strength steel (e.g., Q235)
Connection Angle Fixed 90° right angle
Fastening Method Uses high-strength bolts (commonly grade 8.8) for secure fastening
Surface Treatment Mostly galvanized (electro-galvanized or hot-dip galvanized) to enhance corrosion resistance, suitable for construction environments
Executive Standard Complies with international standards such as EN74 and BS1139 (ensuring quality and safety)
Weight Approximately 1.3-1.5kg per unit (slightly varying by material and craftsmanship)

Board Retaining Clamp

Board retaining clamp fixes scaffolding planks, preventing sliding, shifting or lifting from external forces during construction to ensure worker safety; it features easy installation, compatibility with various planks and crossbars, high-strength steel construction, anti-corrosion treatment and compliance with safety standards, ensuring stability and durability.
Board retaining clamp
Parameter Specification
Product Name Board Retaining Clamp
Suitable Board/Frame Compatible with standard scaffolding planks (e.g., wooden/metal planks with thickness 20-50mm)
Material High-strength steel (e.g., Q235 or Q355)
Clamping Range Adjustable to fit plank thickness, typically 20-50mm
Fastening Method Equipped with high-strength bolts (e.g., grade 8.8) for secure locking
Surface Treatment Galvanized (electro-galvanized or hot-dip galvanized) for corrosion resistance
Working Load Designed to bear plank weight and worker load, usually up to 500-800N
Weight Approximately 0.5-0.8kg per unit (varies by size and material)
Standards Compliance Complies with relevant industry standards (e.g., EN 12811, AS/NZS 1576)

Girder Coupler

Girder Coupler, a key scaffolding component, connects beams/girders for stability, used widely in construction, industrial projects, stage building, etc., often in pairs. It fits 48.3mm tubes; some with 100mm openings for channel steel. Weight: 1.45-3kg (varies by material/craft). Made of Q235/Q355 steel with 8.8-grade bolts, galvanized, meeting standards like EN74.
Girder Coupler
Parameter Specification
Product Name Girder Coupler
Suitable Application Used to connect girders, trusses, or large structural members to scaffolding systems or steel frames
Material High-strength alloy steel (e.g., Q355) for heavy load-bearing capacity
Connection Type Designed for attaching girders to vertical/horizontal supports, with adjustable clamping ranges
Load Capacity Typically rated for 2-5 tons (varies by model; specific load depends on size and material)
Fastening Method Heavy-duty bolts (grade 8.8 or higher) with lock nuts to prevent loosening
Surface Treatment Hot-dip galvanized for superior corrosion resistance in outdoor/industrial environments
Compatibility Adaptable to various girder profiles (e.g., I-beams, H-beams) and scaffolding tubes
Standards Compliance Complies with EN 1090, AS 4100, or relevant structural steel standards
Weight Approximately 3-6kg per unit (varies by size and load rating)

Sleeve Clamp

Sleeve clamp, a fastener for tubular components, is compact, easy to install/remove, fits various pipe diameters (some with anti-slip design). Made of high-strength, anti-corrosion steel (wear and rust resistant), it connects/fastens pipes in scaffolding, pipeline installation, frame construction, etc., preventing loosening, ensuring stability, and suits quick assembly/disassembly like temporary supports.
Sleeve clamp
Parameter Specification
Product Name Sleeve Clamp
Main Function Used to connect or extend scaffolding tubes, pipes, or cylindrical components by sleeving and clamping
Suitable Pipe Diameter Compatible with standard scaffolding tubes (e.g., outer diameter 48.3mm) or pipes of similar size; some models are adjustable for 40-50mm diameters
Material High-strength carbon steel (e.g., Q235, Q345) or alloy steel for durability
Clamping Mechanism Equipped with a split sleeve design and high-strength bolts (grade 8.8) for tight gripping; ensures axial alignment of connected parts
Surface Treatment Hot-dip galvanization or electro-galvanization to resist rust and corrosion, suitable for indoor/outdoor construction environments
Load Capacity Designed for axial loads, typically ranging from 1-3 tons (varies by size and material strength)
Length Standard length is 100-150mm (varies based on application; longer sleeves for extended connections)
Standards Compliance Complies with relevant scaffolding standards such as EN 74 or local construction codes
Weight Approximately 0.8-1.2kg per unit (varies by size and material thickness)

Swivel Coupler

Swivel Coupler a rotatable scaffolding connector for cross pipes, offers 360° rotation for varied angles. Made of high-strength steel with anti-corrosion treatment, it fits standard pipes, easy to install. Used to fix non-right-angle pipes in scaffolding, suitable for arcs/diagonal supports in construction, bridges, etc., ensuring safety and adaptability.
Swivel Coupler
Parameter Specification
Product Name Swivel Coupler
Main Function Connects two scaffolding tubes at adjustable angles (not limited to 90°), allowing flexible angular adjustments in scaffolding structures
Suitable Pipe Diameter Compatible with standard scaffolding tubes (outer diameter 48.3mm is common; some models fit 42mm or 51mm tubes)
Material High-strength carbon steel (e.g., Q235) or alloy steel, ensuring load-bearing capacity and durability
Adjustable Angle Range Typically 0°-180° (can be locked at any angle within this range for versatile use)
Fastening Method High-strength bolts (grade 8.8 or 10.9) with washers and nuts for secure locking, preventing angle slippage under load
Surface Treatment Galvanized (electro-galvanized for basic protection or hot-dip galvanized for enhanced corrosion resistance in harsh environments)
Load Capacity Axial load: up to 10-15kN; Shear load: up to 8-12kN (varies by model and material quality)
Standards Compliance Complies with international standards such as EN 74, BS 1139, or GB 15831
Weight Approximately 1.2-1.6kg per unit (varies by size and manufacturing process)

Putlog Coupler

Putlog Coupler is used to fix scaffolding planks to scaffolds, ensuring construction safety, and is suitable for various scaffolds and temporary construction. It features a compact structure, quick assembly and disassembly, a load-bearing capacity of 500-1000N, compatibility with various planks and standard crossbars, anti-loosening and corrosion resistance, compliance with standards, and a balance of safety and efficiency.
Putlog coupler
Parameter Specific Specification
Suitable Pipe Diameter Mainly 48.3mm, some can be compatible with steel pipes with diameters of 40 - 50mm. Common size combinations include 48.3mm×48.3mm and 48.3mm×60mm
Material Usually Q195, Q235 carbon steel; Q355 alloy steel is used for some high-performance requirements
Bolt Grade Mostly grade 8.8 high-strength bolts to ensure firm connection
Surface Treatment Common electro-galvanizing for general environments; hot-dip galvanizing with better protective performance for highly corrosive environments
Weight per Unit Approximately 0.6 - 0.65KG, varying with material thickness, craftsmanship and size
Nut Size Common specifications include 17mm, 19mm, 21mm, 22mm, 23mm, etc.
Executive Standard Complies with EN74 (European standard for small and medium-sized scaffolding components), BS1139 (British standard for scaffolding steel pipes and fittings), etc.
Suitable Plank Thickness Generally suitable for wooden planks, steel planks or composite planks with a thickness of 20 - 50mm
Anti-slip Performance Some products have excellent anti-slip performance. For example, pig-ear couplers, tested according to BS1139 - 2.2 standard, have an anti-slip failure load ≥1.07kN, and the standard surface anti-slip failure load ≥6.54kN
Packaging Method Usually 25 pieces/bag, 50 bags/pallet; customized packaging is also available upon request

Factory introduction

Factory Facility Layout

We are a construction solutions provider integrating R&D, manufacturing, and trade. Operating a 13,132㎡ automated facility producing 450,000 tons of ringlock scaffolding annually alongside other steel products, supported by 15+ technical patents. We supply scaffolding systems and building materials to 50+ countries, achieving $20 million in overseas sales in 2023. We combine advanced manufacturing capabilities with worldwide distribution to deliver innovative construction solutions.

Certification certificate

Product Certifications

Our platform products have been tested by multiple testing institutions and can provide customers with various product reports and normality, including quality inspection reports, load-bearing reports, CE certificates, EU standard certificates, etc.

CE Standard Document

Transportation and arrival time

Global Shipping Route Map

Whether your target market is the East Asian hub with booming manufacturing, the North American gateway with strong consumer demand, or the European hinterland with strict regulations; whether it is the vibrant emerging markets in Southeast Asia, the resource-rich Australia, New Zealand and South America, or the Middle East and Africa with huge potential - our global shipping logistics network, like a tough ocean artery, has deeply covered every key economic region in the world.

With over 150 sets of automated equipment, we maintain an annual production capacity of 450,000 tons of ringlock scaffolding, 300,000 tons of steel pipes, and 300,000 tons of accessories. We always maintain a stock of over 100,000 tons in stock. Coupled with a global warehousing layout, from raw materials to finished products, a strict quality control system runs through the entire process, providing stable and reliable supply guarantees and on-time delivery services for your engineering projects. We are your reliable partner for building materials solutions.

Frequently Asked Questions (FAQ)

Q1: Which international standards do your scaffolding couplers and clamps comply with?

A: Our products are fully certified and strictly comply with prominent international engineering standards, including EN74, BS1139, EN 12811, and AS/NZS 1576, ensuring reliable safety and performance across global construction projects.

Q2: What materials and surface treatments are used to prevent rust in outdoor environments?

A: We utilize high-strength carbon steel (such as Q235, Q345) and alloy steel (Q355). To guarantee long-term corrosion and rust resistance, all components undergo premium electro-galvanization or hot-dip galvanization.

Q3: Do these couplers fit standard scaffolding tubes globally?

A: Yes, our standard couplers, sleeve clamps, and swivel couplers are precision-engineered to perfectly fit standard scaffolding tubes with an outer diameter of 48.3mm, which is the most widely used dimension globally.

Q4: What is the load capacity of the heavy-duty Girder Couplers?

A: Our heavy-duty Girder Couplers are specifically engineered for robust performance, supporting standard rated load capacities between 2 to 5 tons, depending on the model chosen and structural specifications.

Q5: Can I request customized packaging or sizes for bulk logistics order?

A: Absolutely. While our standard packing consists of 25 pieces per bag and 50 bags per pallet, we can fully customize the packaging specifications and sizing configurations to meet your specific engineering or transport needs.

Q6: What certifications can you provide for verification prior to delivery?

A: We supply complete quality inspection documents, including certified load-bearing reports, CE certificates, and European Standard compliance records to ensure a seamless verification process in your local market.

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