The Simpson.125" Dia x 1" Length GTH Gas-Actuated Top-Hat Pin is engineered for reliable, high-volume fastening of cold-formed steel framing members and other building components directly to concrete substrates. Built by Simpson, these pins feature an integrated aluminum top-hat washer for fast, precise loading, and their dual-tool compatibility makes them a practical choice across a wide range of structural fastening conditions - from standard gas-actuated applications to harder substrates requiring powder-actuated tools.

Key Features

• Integrated aluminum top-hat washer - enables fast loading and automatic centering of the pin in the tool nosepiece, reducing placement errors and improving installation speed during high-volume work.
• Gas-actuated top-hat design - purpose-built for gas-actuated tools, allowing consistent, efficient fastening into concrete substrates on demanding jobsites.
• Dual-tool compatibility - works with common powder-actuated tools as well, giving crews the flexibility to drive pins into harder substrates such as structural steel or extra-hard concrete without switching to a different fastener.
• Carbon steel construction with zinc finish - provides the structural integrity needed for cold-formed steel framing connections while the zinc finish offers a layer of corrosion resistance.
• .125" pin diameter at 1" length - a compact, precise profile sized for efficient penetration and secure seating in approved concrete and steel fastening applications.

Why This Product

• Built for high-volume fastening - the top-hat washer design speeds up the loading process and centers the pin automatically, making these fasteners well-suited for repetitive, production-pace framing and concrete attachment work.
• Versatile across substrates and tools - approved for use with both gas-actuated and powder-actuated tools, these pins adapt to a broader range of jobsite conditions - including structural steel and extra-hard concrete - without requiring a separate fastener system.
• Trusted Simpson engineering - manufactured by Simpson, a recognized name in structural fastening, these pins are designed to meet the performance demands of cold-formed steel framing and concrete fastening applications.
• Consistent, reliable geometry - the.125" diameter smooth shank and precision top-hat head diameter are held to defined specifications, supporting repeatable installation results across an entire project scope.

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: GTH-R200
• Pin Diameter: .125"
• Length: 1"
• Head Diameter: .300"
• Material: Carbon Steel
• Finish: Zinc
• Pack Quantity: 200 Pins

Approved Applications

• Fastening cold-formed steel framing members to concrete
• Fastening building components to concrete substrates
• High-volume gas-actuated fastening applications
• Fastening into harder substrates such as structural steel, when used with powder-actuated tools
• Fastening into extra-hard concrete, when used with powder-actuated tools

What's Included

• 200 x Simpson GTH Gas-Actuated Top-Hat Pins (.125" Dia x 1" Length)

Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.

Frequently Asked Questions

What tools are compatible with the GTH-R200 pins?

The GTH-R200 pins are purpose-built for gas-actuated tools, but they are also compatible with common powder-actuated tools. This dual-use compatibility makes them suitable for fastening into harder substrates such as structural steel or extra-hard concrete when required.

What is the top-hat washer on these pins, and why does it matter?

Each pin features an integrated aluminum top-hat washer that allows for fast loading and automatic centering of the pin within the tool's nosepiece. This design improves both installation speed and accuracy, making it especially beneficial in high-volume fastening applications.

What substrates can the GTH-R200 pins fasten into?

The GTH-R200 pins are engineered to fasten building components - such as cold-formed steel framing members - directly to concrete. When used with compatible powder-actuated tools, they can also be driven into harder substrates, including structural steel and extra-hard concrete.

How many pins are included in the GTH-R200 pack, and what are the pin dimensions?

The GTH-R200 pack contains 200 pins. Each pin has a diameter of .125" and a length of 1", featuring a smooth-shank construction designed for consistent, reliable penetration into concrete and hard substrates.