this kind of cube connector is for 12″ x 12″ Protective Bolt Plate Utility Truss.
the cube plate is 8mm 
total sizes 12x12x12 inches /  the hole is 0.69 inch / two adjacent hole is 6.75 inch

section:Square300x300mm
Inclined tube: 25x2.0mm
Main tube:50x3.0mm
Braces:50x2.0mm
Material: Aluminum 6061-T6
This high-performance 300x300mm square screw lighting truss is the backbone of professional roof systems. Engineered from aerospace-grade aluminum, it provides a rigid, dependable structure for hanging medium-weight lights and audio gear. Perfectly compatible with modular stage systems, it ensures a safe and sleek foundation for any indoor or outdoor event.

Section:Square600x760mm
Inclined tube: 30x2.0mm
Main tube:50x4.0mm
Braces:50x2.0mm
Material: Aluminum 6061-T6
Our high-capacity 600x760mm aluminum illumination truss is the ultimate heavy-duty solution for stadium-sized events and complex roof systems. Designed for maximum load-bearing performance, this professional aluminum truss system provides the stability required for massive LED screens and heavy audio arrays, ensuring total peace of mind for event organizers.

Section:Square520x760mm
Inclined tube: 30x2.0mm
Main tube:50x4.0mm
Braces:50x2.0mm
Material: Aluminum 6061-T6
This high-capacity 520x760mm aluminum lighting truss is the ultimate heavy-duty solution for professional music and audio setups. Engineered for maximum load-bearing performance, this aluminum truss system provides the essential stability required for hanging massive line arrays and complex lighting rigs, ensuring total safety for stadium-scale events.

Section:Square400x500mm
Inclined tube: 25x2.0mm
Main tube:50x3.0mm
Braces:50x2.0mm
Material: Aluminum 6061-T6
Our high-strength 500x400mm lighting truss is engineered from premium aluminum alloy for superior load-bearing performance. Ideal for music and audio setups, this durable screw-connection system ensures stability for professional stage environments. Built to meet rigorous safety standards, it provides a reliable foundation for any event production.

Section:Square300x400mm
Inclined tube: 25x2.0mm
Main tube:50x3.0mm
Braces:30x2.0mm
Material: Aluminum 6061-T6
This high-performance aluminum alloy square truss (300x400mm) is engineered for reliability and heavy-duty event support. Featuring a secure bolt connection system, it offers exceptional structural stability for concert and event stages. Its lightweight yet durable design ensures efficient transport and rapid setup for any professional production.

Section:Square350x350mm
Inclined tube: 25x2.0mm
Main tube:50x3.0mm
Braces:50x2.0mm
Material: Aluminum 6061-T6
This premium 350x350mm Aluminum Lighting Truss is engineered for high-capacity loads and superior stability. Featuring a secure screw connection system, it is the ideal choice for professional lighting truss setups. Its lightweight yet robust aluminum construction ensures rapid installation for any concert and event stage.

Section:Square 450X450mm
Inclined tube: 25X2.0mm
Main tube: 50X3.0mm
Braces: 50X2.0mm
Material:6061-T6
This professional 450x450mm aluminum truss bolt system is engineered for versatility in medium-to-large stage productions. Constructed from premium 6082-T6 alloy, this high-strength aluminum truss offers a robust framework for complex lighting and audio arrays. It is designed to exceed rigorous safety standards for both indoor and outdoor applications.

290mm Truss Spacer with Clamp 2" Pro Aluminum Clamp with 330mm Spacer
Heavy Duty Clamp With 330mm Spacer For 50mm Tubing
Compatible with F31-F32-F33-F34-F44P Truss
Minimum Tubing Diameter 48mm
Maximum Tubing Diameter 51mm
Max Load Capacity 500 kgs. - 1100 lbs.
TUV Approved
Unit Weight 2.27 lbs.
custom sizes are available to produce
The 290mm Truss Spacer with Clamp is a precision-engineered concert & event stage solution designed to provide specific structural spacing and hardware offsets within professional trussing grids. This technically accurate assembly features two high-strength aluminum clamps joined by a 330mm spacer bar, utilizing a high-performance Connection & Material System for maximum grip and load reliability. Optimized for high-profile productions, it facilitates the secure mounting of lighting or audio gear at precise distances, ensuring a professional and organized environment for industrial-grade stage productions.

Custom 290mm TRUSS ST-5055 - 2" PRO ALUMINUM CLAMP WITH 210MM SPACER
Compatible:
F31, F32, F33 & F34 Truss
Max. Load Capacity:
500kg/1100lb
Arm Length:
7.5in
Unit Weight:
2.66lb
custom sizes are available to produce
The Custom Pro Aluminum Clamp with 210mm Spacer is a precision-engineered concert & event stage solution designed to provide specific hardware offsets and structural spacing within professional rigging systems. This technically accurate assembly features two heavy-duty Pro Aluminum Clamps joined by a 210mm spacer bar, utilizing a high-performance Connection & Material System for maximum grip and structural reliability. Optimized for high-profile productions, it facilitates the secure mounting of lighting or audio equipment at precise distances, ensuring a professional and organized environment for industrial-grade stage productions.

Half Coupler Spacer 48-51/50/500kg 210mm
This set consists of a coupler and a spacer, with the option of adjusting typical standard lengths for special requirements.
custom sizes are available to produce
The Custom Pro Aluminum Clamp with 210mm Spacer is a precision-engineered concert & event stage solution designed to provide specific hardware offsets and structural spacing within professional rigging systems. This technically accurate assembly features two heavy-duty Pro Aluminum Clamps joined by a 210mm spacer bar, utilizing a high-performance Connection & Material System for maximum grip and structural reliability. Optimized for high-profile productions, it facilitates the secure mounting of lighting or audio equipment at precise distances, ensuring a professional and organized environment for industrial-grade stage productions.

Aluminum Truss 5056 Half Coupler Spacer 13" / 330mm
This set consisting of coupler and spacer offers the possibility to compensate typical standard lengths for specific constructions.
custom sizes are available to produce
The Aluminum Half Coupler Spacer is a precision-engineered rigging component designed to provide a secure and stable connection between truss tubes and various production equipment. This technically accurate hardware utilizes high-strength aluminum alloy, specifically optimized for a 50mm (2-inch) main tube diameter. Featuring a spacer design, it allows for proper clearance and alignment when mounting lighting fixtures, speakers, or structural accessories, ensuring maximum safety and integrity in professional stage environments.

Six Ways Box Bolt/ Screw Corner Aluminum Lighting Truss For Connecting Truss When it comes to professional lighting, there are many aspects to consider. The truss you choose should be lightweight, easy to assemble, and durable. The Six Ways Box Bolt/ Screw Corner Aluminum Lighting Truss For Connecting Truss offers all of these features and more. The truss is lightweight and easy to assemble, with a design that is sturdy and durable. With six ways to bolt or screw together, this truss is a perfect choice for a variety of professional lighting setups.
Optimize your structural framing configurations and unlock infinite layout versatility with our premium Six Ways Box Bolt Screw Corner Aluminum Lighting Truss For Connecting Truss. High-performance engineered as a fully universal, multi-directional junction block, this solid structural cube serves as a direct, high-capacity solution for connecting heavy-duty square box bolt truss networks. It stands as the premier core accessory for high-volume equipment rental networks, corporate exhibition designers, concert stage builders, and global touring crews looking to construct complex right-angle grid matrixes with absolute mechanical precision and zero joint play.

Lighting truss is a versatile and lightweight system that can be used for concert events, weddings, festivals, and more. It is a must-have for any stage, with a steel design that can support a variety of different light fixtures. This light weight aluminum truss is strong enough to hold a large LED screen, and is lightweight enough to transport easily. It is a great choice for anyone looking to add a professional touch to their event.
Secure an ultra-stable, high-capacity rigging foundation for large-scale public productions with our on Sale Aluminum Stage Lighting Truss for Concert Events. Engineered specifically to meet the heavy-duty demands of live touring and high-volume rental networks, this high-performance linear truss segment balances exceptional structural compliance with excellent factory-direct cost efficiency. It stands as the premier core infrastructure choice for stadium rock concerts, open-air music festivals, massive corporate experiential presentations, and multi-tier arena rigging layouts demanding absolute mechanical reliability over long spans.

The Aluminum Custom Outdoor lighting truss system is a unique product that is great for lighting, as well as advertising. The Aluminum Custom Outdoor lighting truss system is a versatile product that can be customized to your specifications. This product is durable and sturdy, and the Aluminum Custom Outdoor lighting truss system can be used for many different purposes. This product is a great option for a range of uses, from a simple backyard light to a billboard.
Secure a fully tailorable, high-capacity rigging ecosystem for your unique event architectures with our premium aluminum custom outdoor lighting truss system. Explicitly engineered to transcend the limitations of standard off-the-shelf staging grids, this heavy-duty structural solution combines limitless bespoke fabrication flexibility with rapid fast-pin deployment metrics. It stands as the premier structural asset for creative event directors, international concert designers, high-profile corporate experiential activations, and stadium-scale temporary venue builders looking to implement complex configurations in open-air environments.

Aluminum Screw Lighting Truss is a kind of lighting truss, the most popular section is 300x300mm.
The Aluminum Screw Lighting Truss is an industrial-grade, heavy-duty concert & event stage solution engineered to provide maximum physical connection rigidity, expansive structural clear spans, and high weight-bearing capabilities for stadium festival main-stages, touring concert productions, and large-scale convention pavilions. This technically accurate box truss system is manufactured from premium structural-grade 6061-T6 aluminum, displaying a polished natural silver finish and utilizing a traditional high-torque bolted Connection & Material System. Designed to configure perfectly into immense horizontal overhead grids, perimeter presentation borders, or complex ground-support networks, it functions flawlessly as an ultra-stable backbone for heavy automated moving heads, high-output theater profiles, heavy LED video screens, and massive advertising banners. It establishes an exceptionally robust, professional, and secure environment for industrial-grade stage productions where extreme multi-directional load distribution, absolute resistance to connection shifting, and verified structural safety work in perfect harmony.