Description
Technical Overview
The 40×40 Endcap Bracket C functions efficiently as a structural capping component designed for 40 Series T-Slot aluminium extrusion profiles. Manufacturers build this hardware from black plastic to provide a clean and lightweight enclosure. Consequently, this component successfully covers the exposed ends of 40×40mm extrusions. Furthermore, this protective barrier seals the open cross-section of the rail to prevent the ingress of dust, debris, and environmental contaminants into the internal channels. Additionally, the bracket features a press-in design that interfaces directly with the profile cavity during installation. Therefore, it provides a flush, clean termination point for framing configurations. Ultimately, this setup shields users from sharp cut edges while simultaneously protecting the extrusion ends from minor mechanical impacts.
Applications
Technicians regularly deploy the 40×40 Endcap Bracket C at the termination points of modular framing systems, linear rail tracks, and industrial structures. Specifically, they utilize these caps on exposed framework ends using standard 40 Series T-Slot profiles. For example, assembly teams secure the components in automated machinery setups, safety guarding enclosures, material handling systems, and industrial workstations. In these locations, operators must minimize dust accumulation within the open tracks. Meanwhile, it is important to note that the component is explicitly sized for 40 Series layouts. As a result, this hardware does not interface with smaller 20 Series V-Slot extrusion systems.
Technical Specifications
Drawings

| A | B | C | D | kg |
| 40mm | 9mm | 4mm | 7mm | 0.005 |
Maker Store Tips and Tricks
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Ensure the face of the 40 Series extrusion is cut squarely and free of burrs before pushing the cap into place to guarantee a flush fit.
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Apply firm, even pressure across the face of the cap during installation; a non-marring rubber mallet can assist if the fit is tight within the central cavity.
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This hardware is incompatible with 20 Series V-Slot rails, so verify your profile family before proceeding with assembly.
What makes T-Slots such an easy assembly task?
Building frames out of T-Slot extrusions is easy because they eliminate the need for specialized tools or welding, simplifying the assembly process. Building frames using T-Slot Linear Rail will require;
- 40 Series T-Slot Extrusions: These are the main structural components, usually made of aluminium, with slots along their lengths that allow you to easily connect various parts and accessories.
- 40 Series Brackets and Connectors: These are specialized components designed to fit into the T-Slot extrusions and secure them together at various angles. They include corner brackets, T-nuts, L-shaped brackets, and other connectors.
- Fasteners: Bolts, screws, and nuts are required to attach the brackets and connectors to the T-Slot extrusions securely.
- Tools: Basic hand tools like wrenches, Allen keys (hex keys), and screwdrivers are necessary for assembly. Additionally, a saw may be needed to cut the T-Slot extrusions to your desired lengths.
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