The Simpson 1/2 in Dome Washer with 1/2 in Pin is a gas-actuated fastener from Simpson engineered to reliably secure building components to concrete, structural steel, and extra-hard concrete surfaces. Designed for high-volume fastening applications, this dome washer pin pairs a carbon steel construction with a zinc finish and is compatible with common powder-actuated tools, making it a practical choice for demanding job-site conditions.

Key Features

• Gas-actuated dome washer pin design - purpose-built for powder-actuated tool use, enabling fast and consistent fastening without manual driving
• Carbon steel construction - provides the strength and durability needed to perform in tough fastening environments including structural steel and extra-hard concrete
• Zinc finish - adds a layer of corrosion resistance to the carbon steel pin, helping maintain performance integrity on the job site
• Compatible with common powder-actuated tools - integrates easily into existing tool setups, reducing the need for specialized equipment
• Rated for harder substrates - approved for use in structural steel and extra-hard concrete, expanding the range of applications where this fastener can be reliably deployed

Why This Product

• Built for high-volume concrete fastening - the gas-actuated format is specifically suited to repetitive fastening tasks, helping crews maintain consistent output when attaching building components to concrete
• Handles the toughest substrates on site - approved for structural steel and extra-hard concrete, this dome washer pin gives contractors confidence when working with materials that challenge standard fasteners
• Fits tools already on the job - compatibility with common powder-actuated tools means no additional tool investment is required, keeping projects on schedule and within budget
• Trusted Simpson engineering - backed by Simpson, a recognized name in structural fastening, this pin reflects the quality standards professionals rely on for building component connections

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: GW50-R200
• Material: Carbon Steel
• Finish: Zinc
• Length: 1/2"
• Head Diameter: .300"
• Diameter: .110" / .128"
• Quantity per Pack: 200

Approved Applications

• Fastening building components to concrete
• High-volume fastening applications
• Fastening into harder substrates such as structural steel
• Fastening into extra-hard concrete

What's Included

• 200 x Simpson Strong-Tie GW50-R200 1/2" Dome Washer Pins (1/2" 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 GW50-R200 dome washer pins?

The GW50-R200 is compatible with common powder-actuated tools, making it a versatile choice for high-volume fastening applications on job sites where such tools are already in use.

What substrates can the GW50-R200 be used in?

The GW50-R200 is designed for fastening building components to concrete and is suitable for use in harder substrates, including structural steel and extra-hard concrete.

What are the key dimensions of the GW50-R200 pin?

The GW50-R200 has a pin length of 1/2", a head diameter of .300", and a shaft diameter of .110"/.128".

How many pins are included in one pack of the GW50-R200?

Each pack of the GW50-R200 includes 200 individual 1/2" dome washer pins, making it well suited for high-volume fastening projects.