Our heavy-duty fixed U-heads are designed to provide secure, reliable support for timber beams in construction and scaffolding applications. Available in three sizes to suit a range of beam widths: 4″ (100mm), 6″ (150mm), and 8″ (200mm).
These fixed U-heads are compatible with Acrow props and system scaffolding, including Kwikstage and Cuplock. The integrated spigot ensures a strong, dependable connection, while the U-shaped cradle securely holds timber beams in position during formwork, shoring, and temporary support operations.
Engineered for heavy-duty use, the fixed design allows loads to be transferred directly through the supporting prop or scaffold standard, providing excellent stability without requiring adjustment. Manufactured in accordance with BS1139 and EN74 standards, the U-heads deliver consistent, site-proven performance. All sizes are supplied with a 75mm-long spigot with a 16mm diameter.
Key features
- Heavy-duty construction: Manufactured from high-quality steel for strength, durability, and long-term performance on demanding job sites.
- Secure beam support: The U-shaped cradle firmly supports timber beams, reducing movement and helping prevent slippage.
- Broad compatibility: Designed for use with Acrow props and system scaffolding, including Kwikstage and Cuplock.
- Fully compliant: Conforms to BS1139 and EN74 requirements for scaffolding couplers and fittings.
- Protective finish options: Supplied as standard in painted or raw finish, with hot-dip galvanisation.
- Multiple size options: Available in 3 sizes – 4″ (100mm), 6″ (150mm), and 8″ (200mm) to accommodate different beam widths.
Product FAQs
What are the standard dimensions for the U-heads?
The standard dimensions for the fixed U-heads, across all sizes, are:
- Spigot: 75mm long × 16mm diameter.
These features ensure consistent compatibility with Acrow props and system scaffolds, regardless of the U-head width.
What is it used for?
A fixed U-head is primarily used to securely hold timber beams in place at the top of an Acrow prop or scaffolding vertical (leg), providing stable support for formwork, needle beams, or temporary flooring.
What’s the difference between fixed and adjustable?
Fixed U-heads have a solid spigot for direct insertion and are non-height-adjustable. Adjustable versions feature a threaded spigot with a wing nut for fine-tuning the height.
Are these compatible with all Acrow props?
Yes, the 16mm diameter × 75mm spigot is compatible with most Acrow and system scaffold verticals.
How do I determine the correct size?
Select based on your timber beam width: 4″ (100mm) for narrower beams, 6″ (150mm) for medium, and 8″ (200mm) for wider beams. The internal gap will securely accommodate the beam.
What is the load capacity?
The safe working load depends entirely on the supporting prop or tube. The U-head transfers the load directly, so you should always check the ratings of your Acrows or scaffolding components to ensure they remain within safe limits.
Are they suitable for shoring applications, like supporting concrete formwork?
Yes, the fixed U-heads are commonly used in shoring setups with Acrows to support timber bearers for slab formwork. The fixed spigot provides a direct load path, making it ideal for stable, non-adjustable support.
Q & A
Fixed U-Head with Spigot
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