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The Drop Forged Prop to Tube Double Coupler is a heavy-duty scaffolding fitting designed to securely connect standard 48.3mm scaffold tubes to the outer tube of adjustable Acrow-style props (typically 60mm diameter) at a fixed 90-degree angle.
Manufactured from high-tensile steel, this coupler offers superior strength, durability, and resistance to deformation compared to pressed-steel alternatives. It is ideal for supporting and bracing heavy-duty Acrow props in tube-and-coupler scaffolding systems, temporary works, shoring, and structural support applications where reliable right-angle connections are critical for stability and safety. The hot-dip galvanised finish provides excellent corrosion resistance for indoor/outdoor use.
Material: Drop-forged high-tensile steel.
Tube Compatibility: 48.3 mm OD scaffold tube × 60 mm OD prop outer tube.
Weight: ~1.6 kg per coupler.
Finish: Hot-dip galvanised (HDG) for corrosion resistance.
Bolt: Grade 8.8 or equivalent, fits 23 mm scaffold spanner.
Standards: BS 1139 / EN 74-1 & EN 74-2, Class B.
Safe Working Load: 6.10 kN slip resistance (tightened to 54 Nm).
Ultimate Capacity: >15 kN slip resistance; >30 kN failure load (Class B forged double couplers)
| Parameter | Value |
|---|---|
| Scaffold Tube OD | 48.3 mm |
| Prop Tube OD | 60 mm (standard Acrow) |
| Coupler Type | Fixed double, 90° |
| Weight per Unit | ~1.6 kg |
| Bolt Size | M12 / standard spanner |
Category | Specification |
Safe Working Load (WLL) | 6.10–6.25 kN (scaffold tube section) |
Slip Resistance (Class B) | >15 kN (typical forged) |
Standards | BS 1139, EN 74-1/EN 74-2 Class B |
Testing | Load-bearing certified, slip/distortion tested |
Note: Always tighten to the manufacturer’s torque recommendations and inspect for wear before reuse. Actual site loads depend on the complete scaffold design and configuration. Consult a competent scaffolding engineer for critical applications.
Proper installation maximises the coupler’s load-bearing performance and scaffold safety.
Primarily designed for standard Acrow props with ~60 mm outer tube diameter and 48.3 mm scaffold tubes. Confirm exact prop dimensions before use.
Yes, it is a load-bearing fitting with a safe working load of approximately 6.10 kN on the scaffold tube section when properly installed and compliant with EN/BS standards.
Primarily designed for standard Acrow props with ~60 mm outer tube diameter and 48.3 mm scaffold tubes. Confirm exact prop dimensions before use.
No. This is a fixed 90-degree double coupler. For variable angles, choose a prop-to-tube swivel coupler variant.
Inspect for cracks, deformation, or thread damage before each use. Lubricate threads/nuts and store dry to extend life. Replace if damaged.
Engineered for professional scaffolders and construction teams, this coupler combines proven EN/BS compliance, robust forging technology, and practical design to deliver reliable performance and enhanced site safety. Backed by industry-standard testing, it minimises the risks associated with bracing and prop stabilisation.
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