Simpson 5/8 in. Gas-Actuated Concrete Pins are purpose-built for professionals who need fast, reliable fastening into concrete, steel, CMU block, and related base materials. Engineered by Simpson for use with gas-actuated concrete nailer tools, these carbon steel pins with a zinc finish deliver consistent performance across demanding jobsite conditions - and each pack comes bundled with a GFC34 Fuel Cell so you can get straight to work.

Key Features

• Broad Tool Compatibility - Designed for the Simpson GCN-MEPMAG gas-actuated concrete nailer and compatible with most major-brand gas-actuated concrete-nailer tools, so these pins integrate into the equipment you already own.
• Patented 10-Fastener Break-Away Plastic Strip Design - Feeds smoothly and consistently through the nailer, reducing jams and keeping your work moving without interruption.
• Carbon Steel Construction with Zinc Finish - Delivers the strength needed for structural fastening applications while the zinc finish provides a layer of corrosion resistance during handling and use.
• Approved for Multiple Base Materials - Rated for fastening into A36 steel, A572 steel, concrete, CMU block, and sand-lightweight concrete over metal deck, giving you one pin solution across a wide range of substrates.
• Bundled with GFC34 Fuel Cell - Everything required for gas-actuated fastening is included in a single package, eliminating the need for a separate fuel cell purchase.

Why This Product

• Ready-to-Use Kit - The included GFC34 Fuel Cell means no additional accessories are needed before you can start driving pins, saving time on procurement and keeping your project on schedule.
• Versatile Across Common Construction Substrates - Approved use in steel, concrete, CMU block, and sand-lightweight concrete over metal deck makes these pins a practical choice for mechanical, electrical, and plumbing rough-in work as well as general structural fastening.
• Consistent, Reliable Feeding - The patented break-away strip design is engineered to minimize misfires and feeding issues, helping crews maintain productivity on high-volume fastening tasks.
• Trusted Simpson Engineering - Backed by a manufacturer with a well-established reputation in structural connectors and fastening systems, these pins meet the expectations of contractors who depend on verified performance in the field.

Specifications

• Manufacturer: Simpson Strong-Tie
• Model Number (MPN): GDP-62KT
• Length: 5/8"
• Diameter: .106"
• Head Diameter: .250"
• Material: Carbon Steel
• Finish: Zinc
• Quantity: 1,000 per pack

Approved Applications

Simpson Strong-Tie GDP concrete pins are approved and designed for fastening into the following base materials:

• A36 Steel
• A572 Steel
• Concrete
• CMU Block
• Sand-Lightweight Concrete Over Metal Deck

What's Included

• 1,000 x Simpson Strong-Tie GDP 5/8" Gas-Actuated Concrete Pins (GDP-62KT)
• 1 x GFC34 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 tools are compatible with these GDP-62KT pins?

These pins are designed for use with the Simpson Strong-Tie GCN-MEPMAG gas-actuated concrete nailer and are also compatible with most major-brand gas-actuated concrete-nailer tools.

Does this pack include a fuel cell, or do I need to purchase one separately?

Every 1,000-piece pack of GDP-62KT pins includes one GFC34 Fuel Cell, so no separate fuel cell purchase is necessary.

What materials can these pins be fastened into?

These pins are suitable for fastening into A36 and A572 steel, concrete, CMU block, and sand-lightweight concrete over metal deck.

What are the key physical specifications of these pins?

Each pin measures 5/8" in length with a .106" diameter and a .250" head diameter. They are made from carbon steel with a zinc finish and are packaged in a patented 10-fastener break-away plastic strip design for reliable feeding.