Scaffolding Couplers
Fittings
Fittings
Duscaff manufactures couplers that conform to EN 74, BS 1139, standards.
Fittings are the couplers which hold the tubes together. The most common are called scaffold couplers, and there are three basic types: Right Angle Couplers, Swivel Couplers and Putlog Couplers. To join tubes end-to-end joint pins or sleeve couplers are used. Only Right-Angle Couplers, Swivel Couplers and Putlog Couplers can be used to fix tubes in ‘load-bearing connections’.
Some fittings might not be listed below as our range of scaffolding couplers is very vast. Write to us with your requirement as we stock most types of scaffolding couplers.
Couplers - British Type
Board Retaining Coupler
1. Holds scaffold boards securely in place
2. Quick-fit to ledgers/transoms
3. Zinc-plated finish
Double Coupler
1. Joins tubes at 90
2. Heavy-duty forged steel
3. EN 74 compliant
Swivel Coupler
1. Connects tubes at any angle
2. Used for bracing
3. EN 74 compliant
Girder Coupler – Fixed Type
1. Fixed connection to steel beams
2. High-load forged body
3. Ideal for suspended scaffolds
Girder Coupler – Swivel Type
1. Adjustable angle to beams
2. Swiveling forged design
3. Strong grip on irregular structures
Inner Joint Pin
1. Internal tube connector
2. Flush finish for vertical joints
Jordan Safety Clamp
1. High-safety tube locking
2. Wedge-type secure fit
Ladder Clamp – Double Sided
1. Secures both ladder rails
2. Prevents tilt/slip
3. Easy to install
Ladder Clamp
1. Clamps ladder to scaffold tube
2. Compact, secure fit
3. For vertical access safety
Limpet Clamp
1. Ties scaffold to building facades
2. Strong anchoring point
3. Used in shoring systems
Putlog Coupler
1. Connects putlogs to ledgers
2. One fixed jaw, one wrap
3. BS 1139 2.2:2009 compliant
Sleeve Coupler
1. End-to-end tube joiner
2. Central stop for alignment
3. Used horizontally/vertically
Toe Board Clamp
1. Holds toe boards in place
2. U-bolt or press-lock fit
3. Edge protection compliance
Universal Clamp
1. Multi-purpose connector
2. Adjustable jaw
3. Fits planks, mesh, or tubes
Couplers - American Type
American Double Coupler
1. Drop-forged steel body.
2. Rigid 90° (right-angle) connection for two tubes.
3. Designed for common US tube diameters and heavy working loads.
American Swivel Coupler
1. Drop-forged construction for high strength.
2. Full rotational capability to accept angled bracing.
3. Batch-tested to industry coupler test procedures.
American Swivel Coupler — 63 mm × 48.3 mm
1. Special design for joining dissimilar tube diameters (63
mm → 48.3 mm).
2. Drop-forged to ensure rated clamping force
3. Built for transitional joints and bracing where mixed tube sizes are used.
American Girder Coupler
1. Strong tube-to-beam connection with wide bearing surface.
2. Drop-forged high-strength body for heavy loads.
3. Corrosion-resistant finish for durable site performance
Couplers - German Type
German Double Coupler
1. Forged/pressed steel rigid right-angle coupler.
2. Manufactured and tested to EN 74.
3. High clamping force to minimize slippage under load.
German Half Coupler
1. Single-sided clamp for attaching tubes to beams.
2. Drop forged construction.
3. Used for one-point connections.
German Swivel Coupler
1. Full-rotation (360°) coupler for angled bracing.
2. Smooth swivel action with high friction clamp.
3. HDG or electro-galvanized for outdoor use.
Couplers - JIS (Japanese) Type
JIS Double Coupler
1. Right-angle coupler sized for JIS tube diameters.
2. Manufacturer testing as per JIS.
3. Lighter designs often used in JIS/Korean tube & fitting systems.
JIS Swivel Coupler
1. Pressed/forged swivel type for diagonal bracing.
2. Designed to meet JIS dimensional.
3. Galvanized or zinc-plated for corrosion resistance
JIS Girder (Beam) Coupler
1. Heavy-duty clamp for securing tubes to I-beam.
2. Designed for vertical suspension or temporary beam attachments.
3. Robust clamping pad and bolt arrangement to prevent slip
JIS Limpet Coupler
1. Small, compact clamp for toe-board/auxiliary attachments.
2. Quick-fit design.
3. Designed for secure toe-board retention.