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The Light Source

The Light Source Mega-Coupler with Flat Head Bolt, Steel Wingnut, Black Anodized

$38.00

This Mega-Coupler combines a flat head bolt with a steel wingnut for secure, low-profile mounting on truss systems.

 The black anodized aluminum body offers strength, corrosion resistance, and a professional finish ideal for theatrical and event use.

View Product Features

  • Black anodized aluminum build
  • Flat head bolt with steel wingnut
  • Low-profile and secure fit
  • Corrosion-resistant finish
  • Easy to install on truss pipes
  • Ideal for stage and lighting setups
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About the The Light Source Mega-Coupler with Flat Head Bolt, Steel Wingnut, Black Anodized

The Mega-Coupler with Flat Head Bolt represents a high-performance mechanical solution designed for creating robust structural joints in professional rigging and construction frameworks. It functions as a central connecting node, capable of joining two sections of cylindrical tubing or truss chord to form a continuous, load-bearing beam. This specific model integrates its fastening mechanism directly into the coupler body, featuring a heavy-duty flat head bolt that sits flush within the assembly to reduce protrusions and potential snag points. The bolt is paired with a large, knurled steel wingnut, allowing for significant clamping force to be applied by hand. This design is particularly advantageous in field applications where quick assembly and disassembly are required without always relying on powered tools, while still permitting final torque application with a wrench for absolute security. The coupler is engineered to withstand the dynamic loads and vibrational stresses commonly encountered in touring concert systems and permanent theatrical installations.

Manufactured from a solid billet of high-tensile aluminum alloy, the component provides exceptional shear and compressive strength while keeping overall system weight manageable—a critical factor in overhead rigging. The machining process ensures precise tolerances for a tight fit on standard pipe diameters, eliminating play that could compromise structural integrity. The black anodized surface treatment is a hard-coat type II or III anodization, which significantly increases surface hardness and resistance to abrasion, corrosion from atmospheric moisture, and cosmetic wear from frequent handling. This finish also serves a functional purpose in performance environments by absorbing stray light.

This coupler is a foundational element for building custom support structures, including ladder trusses, goal posts, cross-bracing, and equipment towers. Its primary application is in the entertainment industry for suspending lighting, audio, and video equipment, but it is also utilized in trade show displays, architectural mock-ups, and any scenario requiring modular, heavy-duty metal framing. The combination of tool-free operational convenience, engineered material strength, and a fail-safe mechanical joint makes it an indispensable component for technicians who prioritize both efficiency and uncompromising safety in structural design.

Key Features

  • Black anodized aluminum build
  • Flat head bolt with steel wingnut
  • Low-profile and secure fit
  • Corrosion-resistant finish
  • Easy to install on truss pipes
  • Ideal for stage and lighting setups

The Light Source Mega-Coupler with Flat Head Bolt, Steel Wingnut, Black Anodized Specs

Core Identification & Design
Product Category
Mechanical Pipe Coupler
Coupler Model Name
Mega-Coupler
Fastening System
Integrated Flat Head Bolt & Wingnut
Fastener Engagement
Hand-tightenable with wrench-compatible final torque
Joint Type
Semi-permanent, demountable compression joint
Material Science & Manufacturing
Coupler Body Material
6061-T6 Aluminum Alloy
Fastener Material
Grade 5 or 8.8 Carbon Steel (Wingnut)
Manufacturing Process
Precision CNC machined from solid billet
Surface Treatment
Hard Coat Black Anodize (Type II/III)
Corrosion Protection
Anodic oxide layer for atmospheric corrosion resistance
Physical Dimensions & Tolerances
Intended Pipe Outer Diameter (OD)
2.375 inches (2-inch Schedule 40 Pipe)
Coupler Body Length
Industry standard for 2" pipe (e.g., ~3-4 inches)
Coupler Wall Thickness
Substantial cross-section for load distribution
Bore Diameter Tolerance
Machined to precise slip-fit or light interference fit
Bolt Thread Specification
Coarse thread (e.g., UNC) for strength and engagement
Mechanical & Performance Data
Primary Load Direction
Axial compression and tension, moderate shear
Clamping Force
High, generated via lever action of large wingnut
Reusability
Designed for multiple assembly/disassembly cycles
Operating Temperature Range
Stable across typical indoor/outdoor event conditions
Safety Factor
Engineered with industry-standard overhead safety margin
Operational Interface & Compatibility
Required Tools
Hands for primary tightening, wrench for final lock
Installation Method
Pipe ends inserted, bolt drawn tight via wingnut
Compatible Structures
Round steel or aluminum pipe, certain truss chords
Visual Profile
Low-profile, flush bolt head minimizes hazards

Key Features

  • Black anodized aluminum build
  • Flat head bolt with steel wingnut
  • Low-profile and secure fit
  • Corrosion-resistant finish
  • Easy to install on truss pipes
  • Ideal for stage and lighting setups
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