ProX T-C9H — Medium Duty Aluminum O-Clamp with Big Wing Knob for 2″ Truss
T-C9H Overview
The ProX T-C9H is a medium duty aluminum O-clamp engineered for professional entertainment rigging applications, including hanging lighting fixtures and auxiliary equipment from 2″ truss systems. Built from AI 6061-T6 aluminum alloy, the clamp delivers a lightweight yet high-strength solution rated to a 165 lb. capacity. The O-clamp profile mounts quickly onto standard truss tube diameters and is secured via an M10 threaded bolt with a big wing knob, allowing tool-optional tightening in fast-paced production environments. This clamp is well suited for touring companies, system integrators, houses of worship, and venue production teams working with aluminum truss systems.
The clamp’s wide surface contact area distributes load evenly across the truss tube, minimizing stress concentration on both the clamp and the truss chord, which is critical for protecting equipment and structural integrity during extended installations or repeated touring use.
Key Features
- AI 6061-T6 Aluminum Construction — High-strength alloy provides a durable, corrosion-resistant body while keeping overall weight low for efficient rigging and transport
- 165 lb. Working Load Capacity — Rated for medium duty applications including lighting fixtures and production equipment hung from 2″ truss systems
- 2″ Truss Tube Compatibility — O-clamp profile is designed specifically for use with most standard 2″ truss tube systems common in live production and installed AV environments
- Big Wing Knob Fastener — Oversized wing knob allows for fast, secure hand-tightening without requiring additional tools, supporting efficient load-in and load-out workflows
- M10 Threaded Bolt Attachment — Standard M10 bolt interface provides compatibility with a wide range of lighting fixtures and rigging hardware
- Wide Surface Area Design — Distributes clamping force evenly across the truss tube to reduce the risk of surface damage and ensure stable, consistent mounting
- Slim O-Clamp Profile — Compact form factor allows for tighter fixture spacing along the truss without interference between adjacent clamps
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