Simpson GDP-150KT 1 1/2 in. mechanically galvanized concrete pins are built for professionals who need a reliable, high-output direct fastening solution across a wide range of construction base materials. Engineered from carbon steel with a mechanically galvanized finish, these pins are ready for demanding fastening work in concrete, CMU block, A36 and A572 steel, and sand-lightweight concrete over metal deck. The 1,000-count kit ships with a fuel cell included, so crews can get straight to work without a separate supply run.

Key Features

• Compatible with Simpson G3 and GCN-MEPMAGKT gas-actuated concrete nailers, as well as most major-brands - works with the tools already on your job site, reducing downtime and the need to source brand-specific fasteners separately.
• Approved for use in A36 and A572 steel, concrete, CMU block, and sand-lightweight concrete over metal deck - covers the full range of common structural base materials, making these pins a single go-to solution across multiple applications.
• Patented 10-fastener strip with break-away plastic design - keeps pins organized and feeds consistently through the nailer, helping maintain a steady work pace on high-volume fastening tasks.
• Mechanically galvanized carbon steel construction - provides a corrosion-resistant finish suited to the rigors of professional construction environments.
• 1,000-count pack includes 1 fuel cell - delivers a complete, job-ready kit so you have the volume and power source needed to tackle large-scale direct fastening work without interruption.

Why This Product

• Broad tool compatibility reduces friction on mixed-brand job sites - designed for use with Simpson gas-actuated concrete nailers and most major-brand tools alike, these pins fit seamlessly into existing workflows without forcing a full equipment change.
• Extensively tested across multiple base materials - Simpson puts these pins through rigorous field and performance testing in concrete, steel, CMU block, and composite deck applications, so professionals can fasten with confidence across diverse project conditions.
• Patented strip design keeps production moving - the 10-fastener break-away plastic strip feeds reliably through compatible nailers, cutting down on loading interruptions and supporting a faster pace on high-volume fastening jobs.
• Everything included to start fastening immediately - with 1,000 pins and a fuel cell bundled together, this kit eliminates the need for a separate fuel cell purchase and gets your crew productive from the moment the box is opened.

Specifications

• Manufacturer Part Number (MPN): GDP-150KT
• Brand: Simpson Strong-Tie
• Length: 1-1/2 in.
• Shank Diameter: 0.106 in.
• Head Diameter: 0.240 in.
• Material: Carbon Steel
• Coating: Mechanically Galvanized
• Finish: Mechanically Galvanized
• Quantity: 1,000

Approved Applications

These Simpson Strong-Tie GDP concrete pins are extensively tested and approved for use in the following base materials:

• A36 steel
• A572 steel
• Concrete
• CMU block
• Sand-lightweight concrete over metal deck

What's Included

• 1,000 GDP 1-1/2 in. concrete pins
• 1 fuel cell

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

Frequently Asked Questions

Which nailer tools are these pins compatible with?

These pins are designed for use with the Simpson Strong-Tie G3 and GCN-MEPMAGKT gas-actuated concrete nailers. They are also compatible with most major-brand gas-actuated concrete nailer tools, making them a versatile choice for professionals already using other brands on the job site.

What base materials can these pins be driven into?

The GDP-150KT pins are tested and approved for use in A36 steel, A572 steel, concrete, CMU block, and sand-lightweight concrete over metal deck, covering a wide range of common construction base materials.

What is included in this 1,000-count pack?

Each pack includes 1,000 concrete pins and 1 fuel cell, so you have everything needed to begin fastening right away without purchasing a fuel cell separately.

What are the key dimensions and material specs for these pins?

Each pin measures 1-1/2 in. in length with a shank diameter of 0.106 in. and a head diameter of 0.240 in. The pins are made from carbon steel with a mechanically galvanized coating and finish. They are loaded in a patented 10-fastener break-away plastic strip for efficient use in the nailer.