ProX T-C4SH Slim O-Clamp with Big Wing Knob — TÜV Certified Aluminum Half Coupler
T-C4SH Overview
The ProX T-C4SH is a TÜV certified slim aluminum O-clamp designed for professional stage truss applications in concerts, theaters, festivals, and touring productions. Constructed from AI 6061-T6 aluminum alloy, it delivers a high strength-to-weight ratio suited for fast-paced load-in and load-out workflows. The clamp accommodates 1.5 to 2.0 inch O.D. truss tube systems and carries a rated capacity of 661 lbs (300 kg), making it appropriate for lighting fixtures, speakers, and rigging accessories. It is the practical choice for lighting professionals, riggers, system integrators, and touring production companies who require dependable, repeatable hardware.
The broad contact surface distributes load evenly across the truss tube to minimize stress concentration, and the included complete hardware set, comprising a gold-plated steel carriage bolt with square neck, hex nut, flat washer, lock washer, and wing nut, supports tool-free installation in most field conditions.
Key Features
- TÜV Certified — independently verified for safety and load compliance in professional rigging applications
- AI 6061-T6 Aluminum Construction — high-strength alloy provides durability while keeping overall clamp weight low for touring use
- 661 lb (300 kg) Rated Capacity — engineered to support lighting fixtures, speakers, and rigging gear within rated load parameters
- 1.5–2.0 Inch O.D. Tube Compatibility — fits most standard truss systems without adapters
- M10 Threaded Bolt Attachment — standardized thread spec for compatibility with common fixture mounting hardware
- Gold-Plated Steel Carriage Bolt with Square Neck Lock-In Design — prevents bolt rotation during tightening and resists loosening under vibration or transport
- Big Wing Knob — large-format wing nut enables secure hand-tightening without tools, accelerating setup and strike
- Complete Hardware Set Included — ships with hex nut, flat washer, lock washer, and wing nut ready for immediate deployment
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