The Simpson Strong-Tie GCL50 Conduit Clamp is a preassembled MEP (mechanical, electrical, and plumbing) fastener engineered to secure conduit to concrete with speed and reliability. This versatile assembly pairs a smooth-shank fastener with a cold-formed steel clamp, delivering a complete, ready-to-install solution ideal for high-volume fastening applications. Compatible with gas-actuated concrete nailer tools as well as common powder-actuated tools for fastening into harder substrates - including structural steel or extra-hard concrete - the GCL50 is a dependable choice for professional contractors and installers working in demanding environments.

Key Features

• Preassembled MEP Fastener: Arrives ready to install, combining a smooth-shank pin and cold-formed steel clamp in one unified assembly for faster workflow on the job site.
• Broad Tool Compatibility: Works with gas-actuated concrete nailer tools and common powder-actuated tools, making it suitable for a wide range of substrate hardness levels including structural steel and extra-hard concrete.
• Cold-Formed Steel Clamp: The clamp component is cold-formed for consistent dimensional accuracy and structural integrity across every fastener in the pack.
• Smooth-Shank Fastener: The smooth-shank pin design is optimized for driven fastening applications, ensuring clean, reliable penetration into concrete substrates.
• Zinc Finish: Carbon steel construction with a zinc finish provides a protective coating suited for indoor MEP installations.
• High-Volume Pack: Sold in a 50-piece pack (GCL50-R50), supporting efficient procurement and inventory management for large-scale projects.

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: GCL50-R50
• Material: Carbon Steel
• Finish: Zinc
• Pin Diameter: .125"
• Pin Length: 1"
• Head Diameter: .300"
• Conduit Size: 1/2"
• Quantity per Pack: 50
• Country of Origin: China

Approved Applications

• Securing 1/2" conduit to concrete surfaces in mechanical, electrical, and plumbing (MEP) installations
• High-volume fastening projects requiring rapid, consistent deployment of conduit clamps
• Fastening into standard concrete using gas-actuated concrete nailer tools
• Fastening into harder substrates such as structural steel or extra-hard concrete using common powder-actuated tools

What's Included

• 50 x Simpson Strong-Tie GCL50 preassembled conduit clamp fasteners (1/2" clamp, 1" x .125" smooth-shank pin)

Frequently Asked Questions

What size conduit does the GCL50 clamp fit?

The GCL50 is designed to secure 1/2" conduit. The clamp is sized specifically for this diameter, making it a dedicated fastener for standard half-inch conduit runs in MEP applications.

What tools are compatible with this conduit clamp assembly?

The GCL50 is compatible with gas-actuated concrete nailer tools as well as common powder-actuated tools. The powder-actuated tool compatibility makes it suitable for fastening into harder substrates, including structural steel and extra-hard concrete.

Does this product arrive preassembled, or does it require assembly before use?

The GCL50 arrives fully preassembled, combining the smooth-shank pin and cold-formed steel clamp in one ready-to-install unit. No assembly is required on the job site, which helps speed up workflow during high-volume fastening applications.

What material and finish is the GCL50 clamp made from?

The GCL50 features a cold-formed steel clamp paired with a smooth-shank carbon steel pin. Both components carry a zinc finish, which provides a protective coating suited for indoor MEP installations.