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The inline external tube connector 149 is a durable fitting designed to join two tubes of the same diameter end-to-end for creating stable structures. Made from robust blackheart iron, it measures about 102mm in length and weighs around 0.88kg, accommodating 48.3mm diameter tubes. It comes with two stainless steel grub screws for secure fastening. Ideal for non-load-bearing applications such as shelving or displays, it ensures a reliable connection in both horizontal and vertical setups.
This clamp is also available in 26.9mm, 33.7mm, and 42.4mm diameters. Please enquire for details.
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If you’re building custom frameworks, storage solutions, or even pet enclosures, the inline external tube connector – 149 offers a straightforward way to link tubes seamlessly. This versatile clamp excels in scenarios where you need a clean, external joint without compromising on strength for lighter-duty projects. Crafted for ease of use, it allows tubes to be inserted from both ends and tightened quickly, making it a go-to choice for DIY enthusiasts and professionals alike. Whether you’re extending railings or assembling exhibition stands, this connector provides the reliability you need without the hassle of welding or complex tools.
Need a stronger external join? Explore our scaffold sleeve couplers for structural joining use.
Feature | Details |
Product Code | 149-4 |
Material | Blackheart Iron |
Tube Diameter | 48.3mm (compatible with standard scaffolding tubes) |
Length | 102mm |
Weight | 0.88kg |
Number of Tubes | Accommodates 2 tubes |
Fasteners | Includes 2 stainless steel grub screws |
Finish | Galvanised for corrosion resistance |
Load Bearing | Non-load bearing; suitable for light to medium applications |
Available Sizes | 26.9mm, 33.7mm, 42.4mm, 48.3mm (enquire for custom options) |
Complete your framework with the short tee 101 for 90° connections, or browse our full range of tube clamp fittings for more connectors, such as elbows and crosses.
This tube clamp shines in a variety of everyday builds where simplicity and strength matter. Customers often use it for constructing modular shelving units in warehouses or garages, where it connects horizontal bars for sturdy support. It’s also popular for creating display stands at trade shows, allowing quick assembly and disassembly. Animal lovers appreciate it for building safe enclosures for pets or livestock, ensuring joints hold firm without sharp edges. In garden settings, it helps form trellises or greenhouse frames. Essentially, any project involving tube extensions in non-structural roles benefits from its design, think furniture prototypes, temporary barriers, or even art installations.
Safety is paramount when working with tube connectors, and this tube clamp is built to meet industry standards for reliability. It’s compliant with BS EN 1562 for malleable cast iron fittings, ensuring it withstands typical environmental stresses without failure. Always inspect for damage before use, and tighten grub screws to the recommended torque (20-25 Nm) to prevent slippage. While not designed for heavy loads or scaffolding towers, it’s perfect for static, low-stress applications. For added peace of mind, it’s galvanised to resist rust, extending its lifespan in outdoor or humid conditions. If you’re unsure about compatibility, consult a structural engineer. Remember: proper installation reduces risks; wear gloves during handling to avoid pinches; and never overload beyond light-duty limits.
It joins two tubes of the same size end-to-end externally, creating a straight, secure line for various builds.
Simply slide the tubes into each end and tighten the grub screws with an Allen key; no welding required.
It’s non-load bearing, so use it for light applications like shelving, not for supporting heavy structures.
Yes, it allows for a pass-through if you need an uninterrupted length with added support.
This external version sits outside the tubes for visibility, while internal ones create a flush joint—choose based on aesthetics.
Yes, it works in both horizontal and vertical orientations, as long as loads are minimal.
It includes two stainless steel grub screws, so you’re ready to install right out of the box.
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