Product Description

EVT50A-S305 Black | 305 mm (12 in) Female Truss Spacer for 50 mm Tubing — Matte Black Powder Coat

The EVT50A-S305 Black Female Truss Spacer is a 305 mm (12-inch) single-tube precision extension in a matte black powder coat finish that adds exactly 210 mm of usable length to a 290mm conical truss run without introducing a visible finish break between dark-finished sections. Female receiver holes on both ends accept two standard male conical couplers (one per side), preserving the same pin-and-R-clip connection used at every other joint in the system. At 2.25 pounds, machined from 6061-T6 aluminum alloy and coated in a factory-applied matte black powder coat, this spacer exists for environments where a raw aluminum tube between black truss sections would catch a studio light, glow under UV, or break the sightline in a space designed to hide its own structure — broadcast stages where the grid lives in the background of every frame, nightclubs where bare metal fluoresces under blacklight, themed attractions where guests walk directly beneath the overhead, and worship facilities where the congregation sees the ceiling grid at every service.

Function & Compatibility:

The EVT50A-S305 Black is a female-to-female spacer — open receivers on both ends seat standard male conical couplers, which then pin and R-clip into the adjacent truss section’s female chord ends through the normal connection sequence. The spacer slots into any point in a 290mm conical layout where additional length is needed and the finish must stay dark: mid-run in a horizontal span, between vertical tower segments, or at the terminus of a line where the last standard section falls short of the target dimension. The tube measures 50 mm (1.96 in) outer diameter with a 2 mm wall thickness, matching the main chord specification of standard 290mm square truss systems. Fabricated from EN AW-6061-T6 aluminum alloy and fully F34 compatible, the spacer integrates with EVT290S sections and other major 290mm conical truss brands sharing the same coupler geometry. The matte black powder coat absorbs light under stage, studio, and UV conditions, resists scratching under normal handling, and eliminates the reflective contrast that an uncoated spacer creates between dark truss components. Male conical couplers are required on both ends and are sold separately.

Key Features

• Matte Black Powder Coat Finish: Factory-applied matte black powder coat over the full tube surface provides a non-reflective, light-absorbing appearance that blends seamlessly with black truss runs — no visible silver break point at the spacer joint under stage lighting, studio spots, UV, or colored washes.
• Precision 210 mm Extension: Adds exactly 210 mm of usable length to the truss run, closing the dimensional gap between standard section lengths and the actual measurement the layout demands — no cutting, welding, or approximate math required.
• Female-to-Female Receiver Configuration: Open receiver holes on both ends accept standard male conical couplers (sold separately), maintaining the same pin-and-R-clip connection method used throughout a 290mm conical system.
• 50 mm Main Chord Tube: Built to 50 mm OD with a 2 mm wall thickness, matching the main chord specification of standard 290mm square truss for consistent structural continuity through the connection.
• 6061-T6 Aluminum Construction: Machined from EN AW-6061-T6 aluminum alloy — the same high-strength structural grade carried by the truss sections on either side of the spacer.
• F34 Cross-Compatible: Integrates with EVT290S and other 290mm conical truss systems using standard F34 coupler geometry — compatible with mixed-brand builds where coupler fit has been verified at ground level.

Who It’s For

• Broadcast & Film Studio Riggers — Your studio truss grid sits in the background of every shot — news desks, talk show stages, sound stages, virtual production volumes — and a single silver spacer between black truss sections catches light and redirects the camera’s eye from the talent to the rigging. The matte black finish absorbs light under studio conditions instead of bouncing it back into the lens, keeping the spacer invisible in overhead frames, wide-angle establishing shots, and any camera position where the grid enters the composition. No gaff tape, no paint pen, no post correction — the spacer matches the truss from the moment it connects.
• Nightclub & Concert Venue Installers — Your permanent truss installation runs under UV blacklight, saturated color washes, and moving heads in a room where the lighting design is the product and the hardware holding it up is supposed to be invisible. Bare aluminum under UV glows, fluoresces, and creates visual noise that competes with the fixtures it supports. A matte black spacer maintains the uniform dark appearance of the overhead structure across every lighting state the venue runs — full color, UV-only, strobes, full blackout — so the audience sees the show, not the infrastructure.
• Themed Entertainment & Immersive Experience Builders — You’re constructing truss structures inside theme park attractions, immersive art installations, escape rooms, and haunted experiences where guests walk directly under and around the overhead grid. A silver tube in an otherwise black structure breaks the designed environment and pulls attention to hardware that’s supposed to be invisible. The matte black powder coat keeps every structural component hidden within the sightline, preserving the illusion the creative team built — whether the space is lit by practicals, projection, blacklight, or near-total darkness.
• House of Worship & Mega-Church Production Teams — Your facility has a permanent overhead truss grid for lighting, projection, and audio that the congregation sees at every service, every event, every rehearsal. The architectural committee approved a clean dark ceiling line, and a silver spacer inserted to adjust a trim height or close a dimensional gap between sections introduces a contrasting element that wasn’t in the approved design. The matte black spacer blends into the existing black truss grid, maintaining the visual standard the building committee signed off on while giving your production team the flexibility to fine-tune fixture positions without a visible hardware mismatch overhead.
• Structural & Rigging Engineers — The EVT50A-S305 Black is a 305 mm (12-inch) female-to-female aluminum spacer with a 50 mm OD / 2 mm wall tube machined from 6061-T6 aluminum alloy, finished in a matte black powder coat. It adds 210 mm of usable extension to a 290mm conical truss run and connects via two male conical couplers (sold separately) using standard pin-and-R-clip hardware. The powder coat does not alter the spacer’s structural properties or load-bearing capacity. The spacer is F34 compatible and appears on an engineered drawing as a standard cataloged extension component. Load calculations must account for the total assembled span length and support configuration — refer to the applicable truss load tables. A licensed professional engineer must review all structures.

Designed by Evolve Truss, the EVT50A-S305 Black is the precision spacer for dark-finish builds where the dimension has to land on the right number and the hardware has to vanish — 210 mm of extension that matches the truss and disappears into the grid.

⚠️ Safety & Engineering Notice

❗ Assembly Requirement:

• Connection Hardware: As a female spacer, this unit requires two male conical couplers (one on each side) to connect to standard female truss chord ends. Ensure you have the necessary couplers, tapered pins, and R-clips before assembly.
• Load Capacity: Do not exceed the load capacity of the spacer or the truss system it is installed in. Refer to the applicable truss load tables for the complete assembled span.

Important Guidelines for Safe Use:

• Inspect both receiver holes for wear, deformation, or “egging” before every use.
• Ensure all tapered pins and R-clips are fully engaged and secured on both sides of the spacer.
• Handle with care during transport and assembly to prevent chipping or scratching the powder coat finish. Surface damage does not affect structural integrity but may impact appearance.
• Truss assembly should be carried out only by personnel familiar with conical truss connections and rigging techniques.
• The purchase of this product does not authorize specific installations; a licensed professional engineer shall review all structures.

⚠️ Compatibility Notice for Mixed-Brand Builds

Crucial Steps for Safe Assembly:

• Verify Coupler Fit: Confirm that your male conical couplers seat fully and securely into both receiver holes before committing to a mixed-brand assembly.
• Test on the Ground: While F34 compatible, always test-fit connections with other manufacturers’ components at ground level before lifting or loading the structure.

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Contact us today to keep your dark-finish grid dimensionally precise with the EVT50A-S305 Black Female Truss Spacer.