Tower System
Ideal for heavy-load stage and lighting setups
Top Plate – ST-38-LD:
Model Codes: ST-38-LD
Description: The Top Plate of ST-38-LD is a precision engineered load-bearing assembly designed for use with the ST-38-LD truss tower system. Fabricated from high strength mild steel and alloy components, this top plate provides stable and secure mounting for hoisting, rigging, or structural extensions. It features dual RHS sections, an integrated pulley system suitable for both motorized hoists and manual chain blocks, high-grade bearings, and half-male connectors—offering both mechanical durability and functional versatility for medium-duty lifting applications.
Key Specifications:
Material:
Top & Bottom Tubes: Mild Steel YST 310 80×40×3.0mm
Pulley & Rods: 42CrMo4 Alloy Steel (Grade 1.7225)
Top Plate Length: 930mm
Bottom Plate Length: 385mm
Bore Bush: Ø25×2.0mm
Connectors: 50mm Half Male (x4)
Pulley Load Rating: 2 Ton
Pulley Bearings: SKF 62_22_2_01 (x8)
Pulley Rod Diameter: 22mm
Bolt Specification: IS 3640 – M14×105mm HT Bolts
Features:
Robust mild steel and alloy construction
Compatible with 2-ton hoist systems
Integrated dual-pulley assembly
Suitable for motorized hoists and manual chain blocks
SKF bearings for smooth operation
Standardized chamfering and bolt interface
Q/C approved and FPA compliant design
Top Plate – ST-38-HD/XHD:
Model Codes: ST-38-HD-XHD
Description: The Top Plate of ST-38-HD/XHD is a heavy-duty steel structure engineered to support lifting systems in high-load tower truss setups. This assembly is designed with robust channel sections, dual square hollow tubes, and integrated pulley systems, making it ideal for demanding event environments. It comes complete with SKF bearings, high-tensile bolts, and a 4.75-ton D-shackle for secure rigging and load-bearing performance.
Key Specifications:
Top Channel: C-Channel 100×50×5mm – Mild Steel (x2, 930mm each)
Bottom Tubes:
Tube-01: SHS 60×60×4.0mm (x2, 405mm)
Tube-02: SHS 50×50×3.0mm (x2, 285mm)
Support Tube: Ø25×2.0mm (Mild Steel)
Top Pulley Rods: Ø22mm × 105mm – 42CrMo4 (x3)
Top Pulleys: 2-Ton Capacity – 42CrMo4 (x2)
Bearings: SKF 62_22_2_01 (x8)
Shackle: 4.75 Ton D-Shackle (Alloy Steel)
Connectors: 50mm Half Male – 42CrMo4 (x4)
Bolts: M14 × 80mm HT Hex Bolts (x4) – Alloy Steel
Features:
Heavy-duty structure for extra load-bearing truss towers
Triple pulley rod setup for enhanced lifting precision
D-Shackle included for safe rigging
Smooth pulley rotation using SKF bearings
Designed with production safety and FPA (First Part Approval)
compliance
Q/C certified parts only
Base – ST-38 (305 / 385 Series):
Model Codes: BS-ST-38-H
Description: The Base Plate Assembly for ST-38 truss towers is a robust, fully-integrated foundation system designed for both 305mm and 385mm tower configurations. Engineered from precision-formed mild steel, it includes a modular combination of connectors, wheel systems, and outriggers for safe, adjustable, and mobile support. This assembly ensures reliable load distribution and easy mobility, even under heavy-duty operational environments.
Key Specifications:
Compatible Truss Series: ST-38 (305mm / 385mm)
Main Frame Dimensions: 2960mm (L) × 335mm (W)
Material: High-grade Mild Steel
Height Adjustability: DR-M22 height adjustors (x8)
Mobility:
Wheel Assemblies (x4) – Bolt-on or weldable
Outriggers for stabilization (x4) – DR-OT-38-H
Locking Pins – DR-OT-PIN-38-H (x4)
Connector Type: 50mm Half Male (x4)
Bolts for Connectors: M14 × 120mm – IS 3640 Standard
Main Tubes: 96×48×3.0mm (Lengths: 1150mm and 551mm)
Outer Tubes: 80×40×3.0mm (722.1mm)
Outrigger Tubes: 80×40×3.0mm (1100mm)
Stabilizer Flats: 50×10mm
Upper Flat for Pins: 40×5mm
End Cap: 3–5mm per tube dimension
Tube Specifications:
Main Tubes: 96×48×3.0mm (Lengths: 1150mm and 551mm)
Outer Tubes: 80×40×3.0mm (722.1mm)
Outrigger Tubes: 80×40×3.0mm (1100mm)
Stabilizer Flats: 50×10mm
Upper Flat for Pins: 40×5mm
End Cap: 3–5mm per tube dimension
Hybrid Base – SST-38 (HD/XHD):
Model Codes: BS-ST-38-HD-XHD
Description: The Hybrid Base for SST-385 HD/XHD series is a heavy-duty, mobility-enabled support base designed for large scale tower truss structures. Built using premium YST-310/355 grade steel, this base assembly ensures strength, adjustability, and ease of movement in event or industrial setups. With high bid weld-reinforced plates and precision-fit components, it is engineered to deliver superior load support and stability in all directions.
Key Specifications:
Base Dimensions: 898mm × 335mm
Frame Material: YST-310 High-Strength Steel
Plates: 8mm Thick – YST-355 Grade
Design: Welded reinforced top & bottom frame
Height Adjustability: M-28 Height Adjustors (x4) – EN-19
Mobility:
Heavy-duty Caster Wheels (x4)
Wheel-attachable via bolt or weld
Connector System:
50mm Half Male Connectors (x4) – EN-19
Fastened with M14 × 120mm
High-Tensile Hex Bolts (x4) – Alloy Steel
Tube Sections:
Main Tubes (96×48×3.0mm) in multiple
lengths: 734.1mm, 519.1mm, 1086.2mm
Adjustor Tube: Ø37.7×2.0mm
SLEEVE BLOCK ST-65-SB-HD/XHD:
Model Codes: ST-65-SB-HD-XHD
Description: The ST-65-SB-HD-XHD Sleeve Block is an essential structural component for the ST-65 HD and XHD truss series, designed to enable vertical lifting and secure positioning of heavy-duty truss spans. This precision engineered assembly allows safe integration with hoist systems and M20 eye bolts, ensuring high-load handling and operational safety in event and industrial rigging setups.
Key Specifications:
System Compatibility: ST-65-HD & ST-65-XHD Truss Series
Tube Size: 60×60×4.0 mm
Assembly Weight: Approx. 81,226.2 g
Eye Bolt Mounting: M20 compatible
Tyre Size: Ø67 mm nylon wheels
Materials:
Tubes & Plates: YST-310 / YST-355
Connectors: EN-19 alloy
Tyres: Nylon
Bolts: Alloy Steel (M10 & M14)
Assembly Components:
Top, Middle, and Bottom Main Tubes
Vertical & Mid Tubes
16 Braces (Ø25×3.0 mm)
32 Tyre Plates & 16 Nylon Tyres
2 Shackle Plates for secure coupling
16 Half Male Connectors with bolts
Key Features:
Heavy-duty construction with reinforced tubing
Integrated tyre system for smooth truss movement
Chamfered edges and ISO:2768 tolerance compliant
Designed for safe load distribution and vertical rigging
SLEEVE BLOCK ST-77-SB-HD:
Model Codes: ST-77-SB-HD
Description: The ST-77-SB-HD Sleeve Block is a robust structural component tailored for the ST-77 HD truss series. Designed to ensure safe vertical lifting, alignment, and smooth travel along truss towers, it integrates seamlessly with M20 eye bolt hoists. Its reinforced square tube frame and nylon tyre assembly ensure high load capacity and mobility under rigging stress.
Key Specifications:
System Compatibility: ST-77-HD Truss Series
Tube Dimensions:
Main Tubes: 60×60×4.0 mm
Mid Tube: 50×50×3.0 mm
Vertical Tubes: 60×60×4.0 mm
Eye Bolt Compatibility: M20
Weight (Approx.): 81,226.2 g
Material:
Frame: YST-310
Plates: YST-355
Connectors: EN-19
Wheels: Nylon
Bolts: Alloy Steel
Component Breakdown:
4 Top and 4 Bottom Main Tubes
4 Vertical Tubes, 4 Mid Tubes
16 Braces (Ø25×3.0 mm)
32 Tyre Plates with 16 Nylon Tyres
16 Half Male Connectors with M14 bolts
2 Shackle Plates for hoist linkages
Key Features:
Designed for high-strength vertical load handling
Fitted with nylon wheels for guided movement
Corrosion-resistant, durable construction
Precision tolerances conforming to ISO:2768
Chamfered edges for safety and clean assembly
Base Plate – ST-40-HD :
Model Codes: BS-ST-40-HD
Description: The ST-40-HD Base Plate Assembly is a heavy duty, ground-level support system tailored for the ST-40-HD truss series. Constructed from precision-formed mild steel and equipped with mobility and leveling options, this assembly provides rock-solid stability and field adaptability for large-scale rigging structures. With bolt-on or weldable wheels, eight-point height adjustability, and integrated
outriggers, it ensures maximum load distribution and structural integrity.
Key Specifications:
Frame Size: 3120mm × 355mm
Compatible Truss Size: 405mm × 405mm (ST-40 Series)
Material: High-grade Mild Steel
Main Tubes:
122×61×4.5mm
Outer Tubes: 96×48×3.0mm
Connectors: 50mm Half Male (x4) – Bolt-on
Fasteners: M14 × 145mm HT Hex Bolts (x4)
Mobility Option:
Heavy-duty Wheels (x4) – Bolt or weld option
Height Adjustability: DR_M28 Height Adjustors (x8)
Outriggers:
DR-OT-40-H – 1180mm Stabilizer Tubes (x4)
DR-OT-PIN-40-H Locking Pins (x4)
Finish: Chamfered edges (0.5×45°), burr-free
Compliance: ISO:2768 tolerance, Q/C certified, FPA-ready
Features:
Rigid base for tower truss installations
Flexible mobility (removable wheels)
Enhanced leveling via 8 adjustable height points
Wide tube base design ensures balance and load spread
Modular and compatible with ST-40 truss series
Hybrid Base Plate – ST-40:
Model Codes: BS-ST-40-Hybrid
Description: The BS-ST-40-Hybrid is a multi-functional hybrid base plate designed for the ST-40 truss series. With a robust steel frame, integrated mobility, and triple-point ground adjustment, this unit delivers superior flexibility for both indoor and outdoor stage environments. Its extended frame structure allows it to be positioned at corners or center points in concert stages or exhibition booths, while adjustable components ensure stable performance across uneven surfaces.
Key Specifications:
Frame Size: 3120mm × 355mm
Compatible Truss: 405mm × 405mm (ST-40 Series)
Material: High-grade Mild Steel
Main Tubes: 122 × 61 × 4.5 mm
Outer Tubes: 96 × 48 × 3.0 mm
Support Plate Thickness: 8 mm
Connectors: 50mm Half Male (x4) – Bolt-on and Welded
Finish: Chamfered edges (0.5 × 45°), burr-free
Tolerance Standard: ISO:2768
Compliance: FPA-ready and Q/C approved
Mobility & Adjustment:
Heavy-duty Caster Wheels: 4 units (Bolt or Weld attachment)
Height Adjustors: DR-M28 threaded base adjustors (x8)
Outriggers:
Stabilizer Tubes – DR-OT-40-H (x4)
Locking Pins – DR-OT-PIN-40-H (x4)
Features:
Compatible for both straight and corner truss support
Designed for indoor shows, outdoor concerts, and exhibitions
Three-point adjustable leveling system ensures precise alignment
Supports both mobile and fixed configurations
Engineered for heavy loads with enhanced footprint stability
Fast assembly and easy transport
Top Plate – ST-40-LD:
Model Codes: TP-ST-40-LD
Description: The Top Plate for the ST-40-LD truss system is a light-duty lifting interface, precisely engineered to handle high-load structural requirements. Designed with a 405mm × 405mm footprint and integrated 2-ton pulley support, this component ensures seamless load transfer from hoisting systems into truss towers. Built from reinforced mild steel and high-tensile alloy components, it
ensures long-lasting durability in demanding rigging environments.
Key Specifications:
Outer Dimensions: 405mm × 405mm
Top Tube: RHS 96×48×3.0mm – Length: 910mm (x2)
Bottom Tube: RHS 96×48×3.0mm – Length: 385mm (x2)
Material: Mild Steel (Frame) + Alloy Steel (Connectors & Pulleys)
Bolt Bush: Ø25 × 2.0mm – Length: 90mm (x4)
Connectors: 50mm Half Male – 42CrMo4 (x4)
Pulley: 2-Ton Capacity with SKF Bearings (x2)
Pulley Rod: Ø22mm × 200mm – 42CrMo4 (x2)
Fasteners: M14 × 105mm HT Hex Bolts – IS 3640 standard (x4)
Features:
High-load bearing capacity suitable for truss hoist applications
Integrated pulley system with SKF bearings for smooth operation
Durable high-strength steel structure with precision chamfering
Modular bolt-on half-male connector design
ISO:2768 manufacturing tolerance and FPA-compliant production
Applications:
Top connection for ST-40-HD vertical truss towers
Manual or motorized hoist integration
Structural transition point in load-bearing truss systems
Event and industrial rigging for lighting, sound, or displays
Top Plate – ST-40-HD:
Model Codes: TP-ST-40-HD
Description: The Top Plate for ST-40-HD is a structurally reinforced steel assembly designed to support lifting and hoisting mechanisms atop heavy-duty truss towers. It integrates dual C-channels, welded box tubing, and precision-aligned pulley systems to deliver reliable support for both manual and motorized hoist applications. Engineered for 2-ton load handling, the unit is fabricated from mild steel and high-grade alloy components to meet rigorous industry performance standards.
Key Specifications:
Top Channels: C-Channel 100×50×5.0mm – Length: 910mm (x2)
Bottom Tubes:
SHS 60×60×4.0mm – Length: 425mm (x2)
SHS 50×50×3.0mm – Length: 295mm (x2)
Support Tube: Ø25×2.0mm – Length: 75mm
Pulley Rods: Ø22mm × 105mm – Material: 42CrMo4 (x2)
Pulleys: 2-Ton Load Capacity – Material: 42CrMo4 (x2)
Bearings: SKF 62_22_2_01 (x8)
Connectors: 50mm Half Male – Length: 53mm – Material: 42CrMo4 (x4)
Fasteners: M14×80mm HT Bolts (IS 3640 Standard) – Alloy Steel (x4)
Material Composition: Mild Steel + Alloy Steel
Surface Finish: Chamfered (0.5×45°), Deburred
Tolerances: As per ISO:2768
Features:
Designed for ST-40-HD truss towers (405mm series)
Dual-pulley setup for hoist and chain block lifting
High-strength construction for load-intensive setups
Fully welded frame with cross-structural stability
Compatible with standard spigot truss systems
Q/C approved and FPA-compliant
Applications:
Top lifting interface for truss towers
Event rigging and roof hoist support AV and lighting structures
Load transition point for motorized winch systems
Aluminium Corner Block – Series:
Available Model : CB-305, CB-385, CB-405, (Customization Also Available)
Description: The Aluminium Corner Block – 385 Series is a high-strength modular truss junction designed for 50mm tube systems, offering exceptional stability and load-handling performance in multi-directional configurations. With a cube form factor and 50×50×50mm corner blocks, this unit ensures secure and seamless connectivity across truss lines. Its enhanced main and brace profiles are engineered for medium- to heavy-duty event, exhibition, and installation requirements.
Key Specifications:
Corner Block Size: 385mm x 385mm
Main Chords: Ø50×3.0mm
Braces: Ø25×3.0mm
Corner Nodes: 50×50×50mm
Connectors: Ø50×45.0mm Half Male Hollow
Material: Aerospace-grade Aluminium Alloy
Finish: Brushed or polished finish with deburred edges
Connection Type: Spigot-compatible with hollow pin system
Weld Type: TIG-welded joints for maximum strength
Features:
Designed for 50mm modular truss systems
Heavy-duty aluminium construction with sleek finish
Precision welding and fitment for seamless connectivity
Corner block design improves structural efficiency
Lightweight yet engineered for durability in load-bearing setups
Applications:
Large-format truss systems and stage corners
Exhibition and event framework junctions
Suspended grid support or overhead truss transitions
Fixed architectural lighting or display mounting structures
