Product Description

EVT12S-1/2IN | 0.5-Inch Aluminum Truss Spacer Plate — 12-Inch Square End-Plate Bolt Truss

The EVT12S-1/2IN Aluminum Truss Spacer is a half-inch (12.7 mm) precision plate for 12-inch square end-plate bolt truss systems — the fractional adjustment that resolves a half-inch dimensional gap with a cataloged, certified component instead of a field-fabricated shim or an approximation that compounds across the length of a run. Machined from solid 6061-T6 aluminum alloy with a 12-inch × 12-inch square profile that matches standard EVT12S end-plate geometry, this 7.02-pound spacer plate connects through the same nut-and-bolt end-plate system used at every other joint in a 12-inch bolt truss assembly — shipped with 4× Grade 8 bolts, nuts, and washers so it goes from box to bolted connection without a separate hardware order. The half-inch increment shows up wherever truss grids must align to external reference points that weren’t designed around truss section lengths: motion capture volumes where a camera grid has to match a calibrated coordinate system, industrial overhead runs where the last section has to land flush on a building column, gallery installations where the ceiling grid must track an architect’s floor plan, and automated greenhouse systems where truss-mounted fixtures need to follow planting rows across an entire growing bay.

Function & Compatibility:

The EVT12S-1/2IN is a flat spacer plate — not a truss section — that bolts between two end-plated truss sections or between a section and another spacer in the standard EVT12S connection sequence. The bolt-hole pattern aligns with EVT12S 12-inch square truss end plates, and the included Grade 8 hardware maintains the same fastener strength as every other bolted joint in the assembly. At half an inch thick, the spacer occupies the middle ground in the EVT12S spacer range — thicker than the 3/8-inch minimum increment, thinner than the 4-inch and larger spacers — making it the piece that resolves the gaps too large for the thinnest plate but too small for the next standard spacer up. It stacks freely with other EVT12S spacers to build compound adjustments that hit any target dimension. Fabricated from EN AW-6061-T6 aluminum alloy under TÜV manufacturing standards, the spacer shares the same material grade and production certification as the truss sections on either side of the joint. The brushed aluminum finish matches every other silver EVT12S component with no visible surface variation at the connection.

Key Features

• Half-Inch Precision Increment: A 0.5-inch (12.7 mm) spacer plate that closes a measured half-inch gap in a 12-inch bolt truss run — the certified mid-range fractional adjustment between the thinnest spacer in the lineup and the larger standard increments.
• Grade 8 Hardware Included: Arrives with 4× Grade 8 bolts, nuts, and washers — high-strength fasteners matched to the EVT12S connection standard, ready for immediate bolt-up.
• 12-Inch Square End-Plate Geometry: Bolt-hole pattern and plate dimensions match EVT12S and other standard 12-inch plated bolt truss, delivering uninterrupted structural continuity across the spacer joint.
• Stackable Across the Spacer Range: Pairs with the 3/8-inch, 4-inch, 5-inch, 6-inch, 7-inch, and 8-inch EVT12S spacers to assemble compound adjustments — combine plates to reach any total increment the layout calls for.
• 6061-T6 Solid Aluminum: Machined from EN AW-6061-T6 aluminum alloy — structurally identical material to the truss sections it connects, with no material-grade step-down at the spacer.
• TÜV Manufacturing Standards: Produced under TÜV-certified processes — the spacer appears on an engineered drawing as a standard cataloged component with the same production certification as every other part in the EVT12S system.
• Brushed Aluminum Finish: Consistent brushed surface across the full plate face — no finish variation between the spacer and the truss sections at the joint.

Who It’s For

• Motion Capture & Biomechanics Lab Engineers — Your camera and sensor mounting grid has to match a calibrated coordinate system where every dimension was set during the initial volume calibration, and a half-inch deviation in grid geometry shifts sensor coverage zones and introduces tracking errors that corrupt the capture data. Standard truss section lengths get the grid close, but close isn’t calibrated. The EVT12S-1/2IN lets you land the truss grid on the exact measurements the system was calibrated to — not the nearest approximation that standard sections produce — so the calibration holds across every capture session without re-zeroing because the physical grid drifted from the software model.
• Industrial Overhead Crane & Monorail Support Builders — You’re running aluminum truss as lightweight overhead support for cable trays, pneumatic lines, or light-duty monorail track in a factory or warehouse, and the runs have to terminate flush against building columns and structural steel attachment points that were placed by another trade on a different set of dimensions. A half-inch gap between the last truss section and the column means the connection doesn’t sit flat, the load transfer is uneven, and the installer either shims it with something uncertified or leaves it and moves on. This spacer closes that gap with an engineered, TÜV-standard component that belongs on the structural drawing — not a field fix that gets flagged on the next inspection.
• Museum & Gallery Exhibition Designers — You’re building temporary or semi-permanent overhead grids for gallery lighting, suspended art pieces, and interactive display elements in spaces where the installation layout was drawn by an architect and the ceiling grid has to track the floor plan below it. A half-inch misalignment between the truss grid and the display positions underneath means fixtures don’t center, suspended elements hang off-axis, and the curator sees a grid that doesn’t respect the design intent. The 1/2-inch spacer lets your installation crew match the architect’s drawing at the structural level without ordering a custom-fabricated part or accepting a grid alignment that’s visibly off from the gallery floor.
• Agricultural & Greenhouse Automation Contractors — Your automated growing operation runs truss-mounted overhead systems — irrigation booms, grow light arrays, sensor rails — that need to track planting rows precisely across the full length of the growing bay. A half-inch offset between the truss grid and the row spacing below it may seem trivial at the first row, but it compounds across dozens of rows until the fixtures at the far end of the house are visibly out of alignment with the crop beneath them. The spacer corrects that offset at the structural level during the initial build so every overhead fixture follows the rows accurately from the first bay to the last, and the alignment holds for the life of the installation.
• Structural & Rigging Engineers — The EVT12S-1/2IN is a 0.5-inch (12.7 mm) solid 6061-T6 aluminum spacer plate with a 12-inch square bolt-hole pattern matching EVT12S end-plate geometry, weighing 7.02 lbs, fabricated under TÜV manufacturing standards and shipped with Grade 8 connection hardware. It appears on an engineered drawing as a standard cataloged spacer component and stacks with other EVT12S spacers for compound adjustments. Adding a spacer to a truss run does NOT increase the overall load capacity of the span — allowable loads are determined by the total span length and the weakest component. Do not support loads directly from the spacer connection points. Refer to the official EVT12S Load Tables for the complete assembled span. A licensed professional engineer must review all structures.

Designed by Evolve Truss, the EVT12S-1/2IN is the half-inch plate that takes a measured gap and turns it into a bolted, certified connection — one spacer between two end plates, and the dimension lands where the drawing says it should.

⚠️ Safety & Engineering Notice

❗ Structural Warning: Adding a spacer to a truss run does NOT increase the overall load capacity of the span. The allowable load is determined by the total span length and the weakest component. Do not support loads directly from the spacer connection points.

Important Guidelines for Safe Use:

• Inspect the end plates and bolt holes for deformation, cracking, or wear before every use.
• Ensure all Grade 8 bolts are torqued to manufacturer specifications — under-torqued connections compromise load transfer across the spacer joint.
• Do not mix truss components from different manufacturers unless the bolt pattern and plate dimensions have been strictly verified for compatibility.
• The purchase of this product does not authorize specific installations; a licensed professional engineer shall review all structures, lighting plots, or other aluminum truss uses.

⚠️ Compatibility Warning for Mixed-Brand Builds

Crucial Steps for Safe Assembly:

• Verify Bolt Patterns: End-plate bolt configurations vary by manufacturer. Compare your existing truss plate dimensions against EVT12S specifications before purchase.
• Confirm Chord Alignment: Ensure chord positions align precisely across the spacer joint to prevent uneven bolt loading.
• Mixing incompatible plated truss can compromise connection integrity and lead to structural failure.

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Contact us today to resolve your half-inch dimensional gap with the EVT12S-1/2IN Aluminum Truss Spacer.