Can this spacer be powder coated?

Yes, we offer professional powder coating services for the EVT12S-4IN in any custom RAL color. This is ideal for matching corporate branding or creating a stealth look for stage designs.

What is the intended use and load limitation of this truss?

Trusses are primarily designed to suspend static loads. Assembly must be performed by trained and competent persons. While dynamic loads may be accepted in specific cases, they strictly require review and approval by a structural engineer.

What are the testing and inspection requirements for this truss?

Trusses must be visually checked before every use for deformations, cracks, missing diagonals, bending, or wear on connection points (bolts/sleeves). Additionally, a competent person must perform a documented inspection at least once a year. Any truss deemed unsafe must be immediately taken out of service and marked 'DO NOT USE'.

EVT12S-4IN | 4-Inch Aluminum Truss Spacer for 12-Inch Square End-Plate Bolt Truss

Q: When should I use a 4-inch truss spacer?

The EVT12S-4IN is used to fine-tune the overall length of a truss run. It is essential when a grid or structure must meet precise dimensions that standard 5ft, 8ft, or 10ft sections cannot achieve.

Q: Is the EVT12S-4IN compatible with other brands?

Yes, provided the other brand uses the standard 12x12 plated bolt pattern. It is compatible with Tomcat, James Thomas Engineering, Milos, and Show Solutions. Always verify chord alignment before mixing brands.

EVT12S System Knowledge Center

Exact 4-Inch Adjustment.
Built for Plated Bolt Truss.

The EVT12S-4IN is a precision 4-inch aluminum truss spacer designed for 12-inch square end-plate bolt truss systems. It adds controlled length to lighting grids, stage structures, LED wall frames, trade show booths, motion capture systems, and engineered installations where standard truss lengths do not meet the exact required dimension.

Product Facts

Model EVT12S-4IN

Product Type Plated Bolt Truss Spacer

Overall Size 12 x 12 x 4 in

Weight 9.30 lb

Material 6061-T6 Aluminum

Finish Brushed Aluminum

4 in Added Length

12 x 12 in Square Profile

9.30 lb Spacer Weight

4-Bolt End Plates

Grade 8 Included Hardware

Product Overview

Fine-Tune a Truss Run Without Cutting or Improvising.

The EVT12S-4IN provides a precise structural extension when standard 5 ft, 8 ft, or 10 ft sections leave a small dimensional gap.

Exact 4-Inch Extension

Adds 101.6 mm to the complete truss run for precise layout control.

Rigid End-Plate Design

Matches standard 12-inch plated truss geometry and maintains chord alignment.

Heavy-Duty Construction

Built from 6061-T6 aluminum with 50 mm main chords and 25 mm bracing.

Professional Hardware

Includes Grade 8 bolts, nuts, and washers for immediate assembly.

Common Applications

Designed for Dimension-Sensitive Structures.

Use the spacer when a structure must meet a fixed venue, equipment, display, or engineering dimension that standard truss lengths cannot achieve alone.

Lighting Grids

Align a truss run with fixed building steel, hang points, or stage dimensions.

LED and Video Wall Frames

Match the truss frame to exact panel-array dimensions and support geometry.

Trade Show Booths

Fine-tune booth structures to meet the required floor plan dimensions.

Motion Capture Systems

Adjust rigid truss volumes where camera spacing and room dimensions are exact.

Industrial and Permanent-Style Builds

Use within engineered structures requiring a precise short extension.

Who It’s For

Built for Professionals Who Need Exact Structural Dimensions.

Best suited for teams working with 12-inch plated truss systems and engineered layouts.

Event Production Riggers

For venue-specific spans and exact stage or grid dimensions.

Lighting Designers and Integrators

For aligning grids to fixed pick points and equipment layouts.

LED Wall Framers

For matching support structures to exact display-array dimensions.

Trade Show Builders

For meeting exact booth footprint and overhead-frame dimensions.

Rental Companies

For spacer inventory that expands the number of achievable system sizes.

Engineers and Industrial Users

For engineered drawings, motion capture volumes, and specialty structures.

Included Hardware

Supplied for One Complete End-Plate Connection.

The spacer includes the standard high-strength hardware needed to connect one end plate to a compatible plated truss component.

4 Grade 8 Bolts

High-strength fasteners for the four end-plate connection points.

4 Nuts

Matching nuts for securing the supplied bolts.

4 Washers

Included to distribute clamping force at the connection.

Confirm the hardware quantity required for the complete structure.

Additional hardware may be required depending on the number of spacer connections and the full system configuration.

Technical Reference

Complete Product Specifications

Dimensions, tubing, material, finish, weight, connection type, and compatibility.

Identification

Product Details

ModelEVT12S-4IN

SKUEVT12S-4IN

BrandEvolve Truss

Product Type4-Inch Plated Bolt Truss Spacer

Overall Size

Dimensions

Width12 in / 304.8 mm

Height12 in / 304.8 mm

Depth4 in / 101.6 mm

Weight9.30 lb / 4.21 kg

Tubing and Material

Construction

Material6061-T6 Aluminum

Main Chord Tubing50 mm OD / 3 mm Wall

Diagonal Brace Tubing25 mm OD / 3 mm Wall

FinishBrushed Aluminum

Connection and Compatibility

System Fit

Connection TypeEnd-Plated Nut and Bolt

Included Hardware4 Grade 8 Bolts, Nuts and Washers

Truss CompatibilityEVT12S, Tomcat, JTE, Milos, Show Solutions and Standard 12-Inch Plated Systems

Warranty1-Year Limited Warranty

System Compatibility

Standard 12-Inch Plated Geometry. Verify Before Mixing Brands.

The EVT12S-4IN is designed for compatible 12-inch square plated truss systems using matching four-bolt end-plate geometry.

EVT12S Compatibility

Directly compatible with the EVT12S heavy-duty plated truss series.

Industry Compatibility

Fits compatible Tomcat, James Thomas Engineering, Milos, Show Solutions, and similar systems.

Four-Bolt End Plates

Requires matching plate dimensions, chord positions, and bolt-hole spacing.

Engineering Verification

Review component alignment and engineering data before combining manufacturers.

Connection Overview

Align the Plates. Tighten the Bolts Evenly.

Installation should be performed by trained personnel using compatible hardware and the required torque procedure.

01 — Inspect the Spacer

Check chords, braces, welds, plates, bolt holes, and hardware.

02 — Align the End Plates

Bring the spacer and mating truss plates together without forcing alignment.

03 — Install the Hardware

Insert all four Grade 8 bolts with the required washers and nuts.

04 — Tighten in a Cross Pattern

Seat the plates evenly by tightening opposite fasteners in sequence.

05 — Verify Full Plate Contact

Confirm no visible gap or distortion remains between the mating plates.

06 — Final Inspection

Recheck every bolt and inspect the complete structure before loading.

Safety and Engineering

A Spacer Does Not Increase Span Load Capacity.

The allowable load is determined by the complete span, support conditions, total structure geometry, connection details, and weakest component in the system.

Do not support loads directly from the spacer connection points.

Inspect the spacer, welds, end plates, bolt holes, bolts, nuts, and washers before every use.

Do not use components with cracks, bends, deformed plates, elongated holes, damaged welds, or severe wear.

Install all four Grade 8 bolts and tighten them to the required specification.

Do not mix truss brands unless plate geometry, chord alignment, and engineering data have been verified.

A competent person should perform a documented inspection at least annually.

A licensed professional engineer must review the complete structure where required.

Product Questions

Frequently Asked Questions

When should I use a 4-inch truss spacer?

Use it when a truss run must meet an exact dimension that standard-length sections cannot achieve by themselves.

What hardware is included?

Four Grade 8 bolts, four nuts, and four washers are included.

Is the EVT12S-4IN compatible with other brands?

It is compatible with common 12-inch plated systems such as Tomcat, James Thomas Engineering, Milos, and Show Solutions when the plate geometry and bolt pattern match.

Does adding the spacer increase load capacity?

No. The allowable load remains dependent on the complete span and the weakest component in the structure.

Can the spacer be powder coated?

Yes. Custom powder coating is available for matching branding, stage, studio, or installation requirements.

Need to fine-tune a plated truss span?

Structural Solutions, Unmatched Innovation

EVT12S-4IN

EVT12S-4IN — 4″ Truss Spacer Plate – 12″ x 12″ Square Aluminum End-Plate Truss Spacer

Exact 4-Inch Adjustment. Built for Plated Bolt Truss.