Product Description
Simpson T13A225SNJ 15 deg. Wire Coil, Full Round Head, Ring-Shank Siding Nail - 2-1/4 in. Type 316 Stainless Steel (1,800-Qty) is a collated fastener from Simpson Strong-Tie engineered for reliable, efficient attachment of fiber cement siding boards. Combining a 15 deg. wire-coil format for compatibility with many major manufacturers' pneumatic tools with the superior corrosion resistance of Type 316 stainless steel, this nail is purpose-built for demanding coastal and seaside applications where long-term performance matters as much as installation speed.
Key Features
- Ideal for use in fiber-cement boards
- Checker pattern on heads blends with wood grain, reduces glare from sunlight and accepts surface finishes
- Generous underhead fillet allows nails to be driven flush, or countersunk, without crushing surrounding wood
- Annular ring shank increases withdrawal resistance to provide a secure attachment that reduces cupping of siding boards
- Slender gauge and diamond point for easier driving
- Made from Type 316 stainless steel for seaside applications and superior corrosion resistance
- 15 deg. wire-coil collation reduces driving force and increases installation speed
- Compatible with many major manufacturers' pneumatic tools
- Quantity: 1,800 nails per pack
Specifications
- MPN: T13A225SNJ
- Brand: Simpson Strong-Tie
- Material: Type 316 Stainless Steel
- Finish: Type 316 Stainless Steel
- Gauge: 13
- Length: 2-1/4 in.
- Head Type: Full Round Head
- Head Diameter: 0.221 in.
- Head Pattern: Checkered
- Shank Type: Annular-Ring Shank
- Shank Diameter: 0.092 in.
- Point Type: Diamond Point
- Collation Type: Wire Coil
- Collation Angle: 15 deg.
- Packaging Quantity: 1,800
- Country of Origin: United States
Approved Applications
- Fastening Wood Siding
- Fiber cement board installation
Frequently Asked Questions
- What type of material are these siding nails made from, and why does it matter?
- These nails are made from Type 316 stainless steel, which provides superior corrosion resistance compared to standard stainless grades. This makes them especially well-suited for seaside and coastal applications where exposure to salt air and moisture would cause lesser fasteners to corrode and fail over time.
- Are these nails compatible with standard pneumatic nailers?
- Yes. The 15 deg. wire-coil collation format is compatible with many major manufacturers' pneumatic tools, allowing for efficient, high-speed installation that reduces driving force compared to hand-nailing.
- Why is the annular ring shank beneficial for siding installation?
- The annular ring shank increases withdrawal resistance, which means the nails grip the substrate more securely once driven. This provides a secure attachment that helps reduce cupping of siding boards over time - an important performance characteristic for long-term siding integrity.
- Can these nails be driven flush or countersunk without damaging the surrounding material?
- Yes. The generous underhead fillet on these nails is specifically designed to allow them to be driven flush or countersunk without crushing the surrounding wood, helping to maintain a clean, professional finish on the siding surface.
Note: Product dimensions and/or thread length may differ from picture.
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