Chief 1.5" NPT Threaded Column to 2" Tube Truss Clamp

Overview

The Chief CMS380 is a truss clamp designed to securely fasten a 1.5 inch NPT threaded extension column to a 2 inch tube truss. It is ideal for technicians working in temporary setups such as rental stages, trade-show booths, houses of worship, and corporate events. The clamp supports loads up to 250 lb (113.4 kg), providing a reliable solution for hanging projectors or flat panels with confidence.

Its trigger style latch allows for one-person installation by keeping the clamp open until locked, simplifying the mounting process. The integrated cable port helps route power and signal cables cleanly, preventing pinching and maintaining a tidy appearance. Compatible with all Chief CMS columns and mounts, this clamp fits seamlessly into existing equipment collections.

Key features

• Adapts a 1.5 inch NPT threaded extension column to a 2 inch tube truss for versatile mounting options
• Trigger style clamp design enables secure one-person installation without needing extra hands
• Supports up to 250 lb (113.4 kg), offering a strong safety margin for heavier equipment
• Built-in cable port guides cables smoothly to prevent damage and keep installations neat
• Durable construction in black and silver finishes matches most truss hardware and withstands repeated use
• Compatible with all Chief CMS columns, projector mounts, and flat panel mounts for flexible integration

Key specs

• Load capacity: 250 lb (113.4 kg)
• Column thread size: 1.5 inch NPT
• Truss tube size: 2 inch diameter
• Dimensions: 10.18 in × 4.09 in × 2.38 in
• Color options: black and silver

Installation and setup

The trigger style latch keeps the clamp open until you are ready to secure it, allowing a single technician to position the extension column and lock the clamp quickly and safely. This feature reduces setup time and the need for additional personnel during installation. The integrated cable port simplifies cable management by providing a smooth exit point, which helps maintain a professional and organized appearance in any venue.

Compatibility and use cases

The CMS380 works with every Chief CMS extension column and the full range of Chief projector and flat panel mounts, making it a versatile addition to rental inventories or permanent setups. It is well suited for environments that require frequent assembly and disassembly, such as trade shows, corporate events, and houses of worship. Its robust load capacity and reliable design make it a strong choice for mounting heavier displays safely and securely.